{"id":81309,"date":"2025-09-04T17:57:52","date_gmt":"2025-09-04T17:57:52","guid":{"rendered":"https:\/\/betterme.world\/articles\/?p=81309"},"modified":"2025-09-05T17:04:15","modified_gmt":"2025-09-05T17:04:15","slug":"4-day-upper-lower-split","status":"publish","type":"post","link":"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/","title":{"rendered":"Smart 4-Day Upper-Lower Split for Hypertrophy"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#How_Does_A_4-Day_Upper-Lower_Split_Work\" >How Does A 4-Day Upper-Lower Split Work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#What_Are_the_Benefits_of_A_4-Day_Upper-Lower_Split_vs_Other_Splits\" >What Are the Benefits of A 4-Day Upper-Lower Split vs. Other Splits?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#How_Do_You_Structure_a_4-Day_Upper-Lower_Split_for_Muscle_Growth\" >How Do You Structure a 4-Day Upper-Lower Split for Muscle Growth?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Prioritize_Compound_Movements\" >Prioritize Compound Movements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Add_Isolation_Exercises_for_Targeted_Growth\" >Add Isolation Exercises for Targeted Growth<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Manage_Sets_Reps_and_Rest_Periods\" >Manage Sets, Reps, and Rest Periods<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Which_Exercises_Are_Best_for_Lower-_vs_Upper-Body_Days_in_This_Split\" >Which Exercises Are Best for Lower- vs Upper-Body Days in This Split?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#How_Should_Rest_Days_Be_Scheduled_in_a_4-Day_Upper-Lower_Split\" >How Should Rest Days Be Scheduled in a 4-Day Upper-Lower Split?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Can_Beginners_Use_a_4-Day_Upper-Lower_Split_Effectively\" >Can Beginners Use a 4-Day Upper-Lower Split Effectively?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Is_a_4-Day_Upper-Lower_Split_Good_for_Fat_Loss\" >Is a 4-Day Upper-Lower Split Good for Fat Loss?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Who_benefits_most_from_a_4-day_upper-lower_split\" >Who benefits most from a 4-day upper-lower split?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Can_a_4-day_upper-lower_split_work_with_only_dumbbells\" >Can a 4-day upper-lower split work with only dumbbells?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#How_can_you_balance_volume_between_upper_and_lower_days\" >How can you balance volume between upper and lower days?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#Whats_the_best_warm-up_for_upper-lower_split_workouts\" >What&#8217;s the best warm-up for upper-lower split workouts?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#The_Bottom_Line\" >The Bottom Line<\/a><\/li><\/ul><\/nav><\/div>\n<p><span style=\"font-weight: 400;\">If you&#8217;ve spent any time in the gym, you&#8217;ve likely seen different training splits. Some people train their full body every session, while others focus on just one muscle group per day. One of the most effective and popular approaches, particularly for building muscle, is the 4-day upper-lower split.<\/span><\/p>\n<p><span data-sheets-root=\"1\"><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\" target=\"_blank\"><video autoplay=\"autoplay\" loop=\"loop\" muted=\"muted\" playsinline=\"playsinline\" width=\"777\"><source src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2024\/12\/gym-workout-plan.mp4\" type=\"video\/mp4\" \/><\/video><\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">This guide provides an insightful look into how the 4-day upper-lower split works and why it&#8217;s a superior choice for hypertrophy, which is the scientific term for muscle growth. You&#8217;ll learn how to structure your routine, choose the best exercises, and manage rest to maximize your results.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_Does_A_4-Day_Upper-Lower_Split_Work\"><\/span><b>How Does A 4-Day Upper-Lower Split Work?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The 4-day upper-lower split divides your training week into two upper-body days and two lower-body days. This structure allows you to train your entire body twice a week, which is considered optimal for muscle growth for most intermediate and advanced lifters (<\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s40279-016-0543-8\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">On upper-body days, you focus on muscles such as the chest, back, shoulders, biceps, and triceps. On lower-body days, you target the quadriceps, hamstrings, glutes, and calves. The goal is to stimulate muscle protein synthesis (MPS), the process your body uses to repair and build muscle, more frequently without causing excessive fatigue (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC5023708\/\"><span style=\"font-weight: 400;\">2<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-80077\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12-1024x640.png\" alt=\"4 day upper lower split\" width=\"770\" height=\"481\" srcset=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12-1024x640.png 1024w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12-300x188.png 300w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12-768x480.png 768w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12-1720x1075.png 1720w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-12.png 1920w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">A typical schedule looks like this:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Monday:<\/b><span style=\"font-weight: 400;\"> Upper body<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tuesday:<\/b><span style=\"font-weight: 400;\"> Lower body<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Wednesday:<\/b><span style=\"font-weight: 400;\"> Rest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thursday:<\/b><span style=\"font-weight: 400;\"> Upper body<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Friday:<\/b><span style=\"font-weight: 400;\"> Lower body<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Saturday:<\/b><span style=\"font-weight: 400;\"> Rest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sunday:<\/b><span style=\"font-weight: 400;\"> Rest<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This setup provides a balanced stimulus across the week, with dedicated rest days to ensure your body recovers and adapts. Research has shown that trained individuals should target each major muscle group 2-3 times per week (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC5023708\/\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">), which makes this split an excellent fit.<\/span><\/p>\n<p><em><strong>Read more:<\/strong> <a href=\"https:\/\/betterme.world\/articles\/gym-workout-plan-for-women\/\">Gym Workout Plan for Women: The Ultimate Strength and Hypertrophy Guide<\/a><\/em><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"What_Are_the_Benefits_of_A_4-Day_Upper-Lower_Split_vs_Other_Splits\"><\/span><b>What Are the Benefits of A 4-Day Upper-Lower Split vs. Other Splits?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The 4-day upper-lower split offers distinct advantages over other popular training routines, such as full-body workouts, &#8220;bro splits&#8221; (one muscle group per day), or push-pull-legs (PPL) splits.<\/span><\/p>\n<ul>\n<li><b>Optimal Training Frequency for Hypertrophy<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The primary benefit of an upper-lower split is its training frequency. By hitting each muscle group twice per week, you create more frequent opportunities to stimulate muscle growth.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This aligns perfectly with sports science principles that suggest that stimulating a muscle every 2-4 days is ideal for hypertrophy (<\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s40279-016-0543-8\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">). In contrast, a bro split only trains each muscle once a week, which can be suboptimal for maximizing growth.<\/span><\/p>\n<ul>\n<li><b>Better Recovery and Fatigue Management<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">In comparison to full-body workouts performed four times a week, the upper-lower split is easier to recover from. Training the full body can be systemically taxing, and doing it frequently can lead to burnout (<\/span><a href=\"https:\/\/www.frontiersin.org\/journals\/psychology\/articles\/10.3389\/fpsyg.2022.907637\/full\"><span style=\"font-weight: 400;\">3<\/span><\/a><span style=\"font-weight: 400;\">).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The upper-lower split allows specific muscle groups to recover for at least 72 hours while you train other parts of your body. This effective fatigue management means you can maintain high intensity in your workouts throughout the week (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11057610\/\"><span style=\"font-weight: 400;\">4<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><strong>BetterMe: Health Coaching app helps you achieve your body goals with ease and efficiency by helping to choose proper meal plans and effective workouts. Start using our app and you will <a class=\"in-cell-link\" href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\" target=\"_blank\" rel=\"noopener\">see good results in a short time.<\/a><\/strong><\/p>\n<ul>\n<li><b>Balanced Volume and Intensity<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This split allows you to dedicate enough training volume to each muscle group without making individual workouts excessively long or draining.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can perform multiple exercises for your chest, back, and legs on their respective days, ensuring you accumulate the 8-12+ sets per week recommended for hypertrophy (<\/span><a href=\"https:\/\/jhk.termedia.pl\/A-Systematic-Review-of-the-Effects-of-Different-Resistance-Training-Volumes-on-Muscle,158681,0,2.html\"><span style=\"font-weight: 400;\">5<\/span><\/a><span style=\"font-weight: 400;\">). This is harder to achieve in a full-body routine without spending hours in the gym.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_Do_You_Structure_a_4-Day_Upper-Lower_Split_for_Muscle_Growth\"><\/span><b>How Do You Structure a 4-Day Upper-Lower Split for Muscle Growth?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Structuring your split correctly is crucial for maximizing hypertrophy. Here&#8217;s a step-by-step guide to building your program.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Prioritize_Compound_Movements\"><\/span><b>Prioritize Compound Movements<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Your workouts should be built around multi-joint, compound exercises. These movements recruit multiple muscle groups at once, which allows you to lift heavier weights and create significant mechanical tension, a primary driver of muscle growth (<\/span><a href=\"https:\/\/www.acefitness.org\/resources\/pros\/expert-articles\/5811\/5-benefits-of-compound-exercises\/?srsltid=AfmBOoruAcTRTKrFZyqADWWhZUDLtt04T5_W9PX7g61P0K4AT6O-Sd10\"><span style=\"font-weight: 400;\">6<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Start each workout with 1-2 heavy compound lifts.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Upper Body Days:<\/b><span style=\"font-weight: 400;\"> bench press, barbell rows, overhead press, pull-ups<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lower Body Days:<\/b><span style=\"font-weight: 400;\"> squats, deadlifts, leg press, lunges<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-80079\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-1024x640.jpg\" alt=\"4 day upper lower split\" width=\"770\" height=\"481\" srcset=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-1024x640.jpg 1024w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-300x188.jpg 300w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-768x480.jpg 768w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women-1720x1075.jpg 1720w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Cover-gym-workout-women.jpg 1920w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Add_Isolation_Exercises_for_Targeted_Growth\"><\/span><b>Add Isolation Exercises for Targeted Growth<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">After your main compound lifts, include isolation exercises to target specific muscles. These single-joint movements are excellent for adding training volume and addressing weak points (<\/span><a href=\"https:\/\/journals.lww.com\/nsca-scj\/abstract\/2023\/02000\/hypertrophic_effects_of_single__versus_multi_joint.5.aspx\"><span style=\"font-weight: 400;\">7<\/span><\/a><span style=\"font-weight: 400;\">). This follows the principle of transitioning from multi-joint to single-joint exercises within a session.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Upper Body:<\/b><span style=\"font-weight: 400;\"> dumbbell flyes, lat pulldowns, lateral raises, bicep curls, tricep extensions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lower Body:<\/b><span style=\"font-weight: 400;\"> leg extensions, hamstring curls, glute bridges, calf raises<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Manage_Sets_Reps_and_Rest_Periods\"><\/span><b>Manage Sets, Reps, and Rest Periods<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">For hypertrophy, the goal is to accumulate sufficient training volume. Aim for 8-12+ total sets per muscle group per week. Rep ranges can vary, but most of your work should be within the 6-15 rep range (<\/span><a href=\"https:\/\/jhk.termedia.pl\/A-Systematic-Review-of-the-Effects-of-Different-Resistance-Training-Volumes-on-Muscle,158681,0,2.html\"><span style=\"font-weight: 400;\">4<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compound Lifts:<\/b><span style=\"font-weight: 400;\"> 3-4 sets of 6-10 reps.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Isolation Lifts:<\/b><span style=\"font-weight: 400;\"> 2-3 sets of 10-15 reps.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Rest periods are also important. For hypertrophy, rest 1.5-3 minutes between sets. This allows for adequate recovery so you can maintain performance on subsequent sets without allowing your heart rate to drop completely (<\/span><a href=\"https:\/\/www.mdpi.com\/2075-4663\/6\/4\/134\"><span style=\"font-weight: 400;\">8<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For those interested in a pre-designed plan, explore this<\/span><a href=\"https:\/\/betterme.world\/articles\/4-day-workout-routine\/\"><b> 4-day workout routine for beginners <\/b><\/a><span style=\"font-weight: 400;\">for a solid starting point.<\/span><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Which_Exercises_Are_Best_for_Lower-_vs_Upper-Body_Days_in_This_Split\"><\/span><b>Which Exercises Are Best for Lower- vs Upper-Body Days in This Split?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Exercise selection is key to a well-rounded program (<\/span><a href=\"https:\/\/www.scielo.br\/j\/rbcdh\/a\/d4vVSM8cHpT7q3Xsbj79WKM\/?lang=en\"><span style=\"font-weight: 400;\">9<\/span><\/a><span style=\"font-weight: 400;\">). A good split includes a mix of compound and isolation exercises that target muscles from different angles.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For upper body days, focus on a balance between pushing and pulling movements.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Horizontal Push:<\/b><span style=\"font-weight: 400;\"> barbell bench press, dumbbell bench press<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Horizontal Pull:<\/b><span style=\"font-weight: 400;\"> barbell rows, T-bar rows<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vertical Push:<\/b><span style=\"font-weight: 400;\"> overhead press, Arnold press<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vertical Pull:<\/b><span style=\"font-weight: 400;\"> pull-ups, lat pulldowns<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Isolation:<\/b><span style=\"font-weight: 400;\"> bicep curls, tricep pushdowns, lateral raises<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-80063\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11-1024x640.png\" alt=\"4 day upper lower split\" width=\"770\" height=\"481\" srcset=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11-1024x640.png 1024w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11-300x188.png 300w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11-768x480.png 768w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11-1720x1075.png 1720w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-11.png 1920w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">For lower-body days, ensure you&#8217;re training both the quads and the posterior chain (hamstrings and glutes).<\/span><\/p>\n<ul>\n<li><b>Quad-Dominant:<\/b><span style=\"font-weight: 400;\"> back squats, leg press, leg extensions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hamstring\/Glute-Dominant:<\/b><span style=\"font-weight: 400;\"> Romanian deadlifts, good mornings, leg curls<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Glute-Focused:<\/b><span style=\"font-weight: 400;\"> hip thrusts, glute bridges<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Calves:<\/b><span style=\"font-weight: 400;\"> standing and seated calf raises<\/span><\/li>\n<\/ul>\n<p><em><strong>Read more:<\/strong> <a href=\"https:\/\/betterme.world\/articles\/dumbbell-and-bench-workout-plan\/\">Dumbbell and Bench Workout Plan for Beginners: A Practical Guide<\/a><\/em><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"How_Should_Rest_Days_Be_Scheduled_in_a_4-Day_Upper-Lower_Split\"><\/span><b>How Should Rest Days Be Scheduled in a 4-Day Upper-Lower Split?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Rest days are when your muscles repair and grow stronger (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11057610\/\"><span style=\"font-weight: 400;\">4<\/span><\/a><span style=\"font-weight: 400;\">). In a 4-day split, you have three rest days. How you use them matters.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You should have total rest days and active rest days. Total rest means doing minimal physical activity to allow your body to fully recover. However, active rest involves low-intensity activities that promote blood flow and reduce muscle soreness without adding significant training stress (<\/span><a href=\"https:\/\/journals.lww.com\/nsca-jscr\/fulltext\/2019\/08000\/a_systematic_review_on_the_effectiveness_of_active.26.aspx\"><span style=\"font-weight: 400;\">10<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A great schedule is the 2-on, 1-off, 2-on, 2-off approach:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Monday:<\/b><span style=\"font-weight: 400;\"> Upper (training)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tuesday:<\/b><span style=\"font-weight: 400;\"> Lower (training)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Wednesday:<\/b><span style=\"font-weight: 400;\"> Active rest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thursday:<\/b><span style=\"font-weight: 400;\"> Upper (training)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Friday:<\/b><span style=\"font-weight: 400;\"> Lower (training)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Saturday:<\/b><span style=\"font-weight: 400;\"> Active rest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Sunday:<\/b><span style=\"font-weight: 400;\"> Total rest<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Examples of active recovery include a light walk, a gentle bike ride, yoga, or stretching. These activities are believed to help with lactic acid release, may reduce stiffness, and could support the overall recovery process.<\/span><\/p>\n<p><strong>BetterMe will shake off your mental funk, rid you of your energy-zapping habits, and help you sculpt the body of your dreams. Intrigued? <a class=\"in-cell-link\" href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\" target=\"_blank\" rel=\"noopener\">Hurry up and change your life for the better!<\/a><\/strong><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Can_Beginners_Use_a_4-Day_Upper-Lower_Split_Effectively\"><\/span><b>Can Beginners Use a 4-Day Upper-Lower Split Effectively?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Yes, beginners can use this split effectively. It provides a structured way to learn key exercises and ensures adequate frequency for muscle growth without being overwhelming. The split introduces the concept of dividing training by body part, which is a fundamental programming strategy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, beginners should be mindful of several things:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Focus on Form:<\/b><span style=\"font-weight: 400;\"> Prioritize learning correct technique over lifting heavy weights.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Manage Volume:<\/b><span style=\"font-weight: 400;\"> Start with fewer sets (e.g. 2 sets per exercise) and gradually increase as you get stronger.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Listen to Your Body:<\/b><span style=\"font-weight: 400;\"> If you feel excessive fatigue or soreness, it may be a sign to dial it back. Novice lifters should have 1-3 days of rest between sessions that stress the same muscle groups.<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-80072\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2-1024x640.png\" alt=\"\" width=\"770\" height=\"481\" srcset=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2-1024x640.png 1024w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2-300x188.png 300w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2-768x480.png 768w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2-1720x1075.png 1720w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-2.png 1920w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Is_a_4-Day_Upper-Lower_Split_Good_for_Fat_Loss\"><\/span><b>Is a 4-Day Upper-Lower Split Good for Fat Loss?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Yes, a 4-day upper-lower split is excellent for fat loss. Resistance training is essential during a fat loss phase as it helps preserve muscle mass while you&#8217;re in a calorie deficit. The more muscle you have, the higher your metabolic rate, which means you burn more calories at rest (<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3661116\/\"><span style=\"font-weight: 400;\">11<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This split combines heavy compound lifting with higher-rep isolation work, which is a potent combination for burning calories and stimulating muscle. When combined with a proper diet and some cardiovascular exercise, it&#8217;s a highly effective strategy for getting leaner while maintaining your strength.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If your primary goal is to get lean, you can find tailored programs in this guide on a<\/span><b><a href=\"https:\/\/betterme.world\/articles\/4-day-workout-routine-to-get-ripped\/\"> 4-day workout routine to get ripped<\/a>.<\/b><span style=\"font-weight: 400;\"> If you want to build muscle without excess fat, our <\/span><a href=\"https:\/\/betterme.world\/articles\/4-day-workout-routine-for-lean-muscle\/\"><b>4-day workout routine for lean muscle<\/b><\/a><span style=\"font-weight: 400;\"> provides a detailed path to your goal.<\/span><\/p>\n<p><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-80065\" src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9-1024x640.png\" alt=\"\" width=\"770\" height=\"481\" srcset=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9-1024x640.png 1024w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9-300x188.png 300w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9-768x480.png 768w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9-1720x1075.png 1720w, https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/07\/Two-photos-collage-gym-workout-women-9.png 1920w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<p><span data-sheets-root=\"1\"><h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><b>Frequently Asked Questions<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><ul><li><h3><span class=\"ez-toc-section\" id=\"Who_benefits_most_from_a_4-day_upper-lower_split\"><\/span><strong>Who benefits most from a 4-day upper-lower split?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">Intermediate lifters &#8211; those with 6 months to 2 years of consistent training experience &#8211; often benefit the most. They have a solid foundation of strength and technique and are ready to increase their training frequency and volume to continue making progress. However, beginners and advanced lifters can also adapt the split to suit their needs.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"Can_a_4-day_upper-lower_split_work_with_only_dumbbells\"><\/span><strong>Can a 4-day upper-lower split work with only dumbbells?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">Absolutely. Dumbbells are incredibly versatile and can be used for nearly every major exercise. You can perform dumbbell bench presses, goblet squats, Romanian deadlifts, and rows. A dumbbell-only upper-lower split is a fantastic option for those with limited equipment or who train at home.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"How_can_you_balance_volume_between_upper_and_lower_days\"><\/span><strong>How can you balance volume between upper and lower days?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">Aim for a similar number of total sets on upper- and lower-body days to ensure balanced development. A good starting point is 12-16 total sets per workout.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example, on an upper day, you might do 6-8 sets for your chest and back, plus 3-4 sets each for shoulders, biceps, and triceps. On a lower day, you could do 6-8 sets for quads and hamstrings, plus 3-4 sets for glutes and calves.<\/span><\/p>\n<ul><li><h3><span class=\"ez-toc-section\" id=\"Whats_the_best_warm-up_for_upper-lower_split_workouts\"><\/span><strong>What&#8217;s the best warm-up for upper-lower split workouts?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><\/li><\/ul><p><span style=\"font-weight: 400;\">A good <a href=\"https:\/\/betterme.world\/articles\/full-body-warm-up-exercises-best-pre-workout-routine\/\">warm-up<\/a> prepares your body for the workout ahead, reducing injury risk and improving performance (<\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s40279-023-01908-y\"><span style=\"font-weight: 400;\">12<\/span><\/a><span style=\"font-weight: 400;\">). Start with 5-10 minutes of light cardio to increase your heart rate, then perform dynamic stretches and mobility drills specific to the body parts you&#8217;re training.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Upper-Body Day:<\/b><span style=\"font-weight: 400;\"> arm circles, thoracic spine rotations, band pull-aparts.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lower-Body Day:<\/b><span style=\"font-weight: 400;\"> leg swings, hip circles, bodyweight squats.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Finally, perform a few light warm-up sets of your first exercise before moving to your working weight.<\/span><\/li>\n<\/ul>\n\n<\/span><\/p>\n<p><span data-sheets-root=\"1\"><a href=\"https:\/\/quiz.betterme.world\/first-page-generated-gender?flow=2949&amp;utm_source=Blog&amp;utm_medium=Blog&amp;utm_campaign=4_Day_Upper_Lower_Split\" target=\"_blank\"><video autoplay=\"autoplay\" loop=\"loop\" muted=\"muted\" playsinline=\"playsinline\" width=\"777\"><source src=\"https:\/\/cdn.betterme.world\/articles\/wp-content\/uploads\/2024\/12\/gym-workout-plan.mp4\" type=\"video\/mp4\" \/><\/video><\/a><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Bottom_Line\"><\/span><b>The Bottom Line<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The 4-day upper-lower split is a time-tested, science-backed approach to building muscle and strength. It offers the perfect balance of training frequency, volume, and recovery, which makes it suitable for a wide range of lifters. By structuring your workouts with a mix of compound and isolation exercises and prioritizing rest, you&#8217;ll be on the fast track to achieving your hypertrophy goals.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;ve spent any time in the gym, you&#8217;ve likely seen different training splits. Some people train their full body every session, while others focus on just one muscle group per day. One of the most effective and popular approaches, particularly for building muscle, is the 4-day upper-lower split. This guide provides an insightful look [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":81310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[],"coauthors":[45],"class_list":["post-81309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-workouts"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.2.1 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Smart 4-Day Upper-Lower Split for Hypertrophy - BetterMe<\/title>\n<meta name=\"description\" content=\"Learn how to build muscle effectively with a \u2605 4 DAY UPPER LOWER SPLIT \u27a4 This guide covers structuring your routine, exercise selection, and recovery for hypertrophy.\" \/>\n<meta name=\"robots\" content=\"noindex, nofollow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Smart 4-Day Upper-Lower Split for Hypertrophy\" \/>\n<meta property=\"og:description\" content=\"Learn how to build muscle effectively with a \u2605 4 DAY UPPER LOWER SPLIT \u27a4 This guide covers structuring your routine, exercise selection, and recovery for hypertrophy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/\" \/>\n<meta property=\"og:site_name\" content=\"BetterMe Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/betterme.health.coaching\" \/>\n<meta property=\"article:author\" content=\"#\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-05T17:04:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/09\/BP-136-4-day-upper-lower-split-1024x640.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"BetterMe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@betterme\" \/>\n<meta name=\"twitter:site\" content=\"@betterme\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"BetterMe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/\"},\"author\":{\"name\":\"BetterMe\",\"@id\":\"https:\/\/stage.betterme.world\/articles\/#\/schema\/person\/46a2559fa95a734cb81f6fc6a2c3f404\"},\"headline\":\"Smart 4-Day Upper-Lower Split for Hypertrophy\",\"dateModified\":\"2025-09-05T17:04:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/\"},\"wordCount\":1565,\"publisher\":{\"@id\":\"https:\/\/stage.betterme.world\/articles\/#organization\"},\"image\":{\"@id\":\"https:\/\/stage.betterme.world\/articles\/4-day-upper-lower-split\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/stage.betterme.world\/articles\/wp-content\/uploads\/2025\/09\/BP-136-4-day-upper-lower-split.png\",\"articleSection\":[\"Workouts\"],\"inLanguage\":\"en-US\",\"articleBody\":\"<span style=\\\"font-weight: 400;\\\">If you've spent any time in the gym, you've likely seen different training splits. Some people train their full body every session, while others focus on just one muscle group per day. One of the most effective and popular approaches, particularly for building muscle, is the 4-day upper-lower split.<\/span>\\r\\n\\r\\n<span data-sheets-root=\\\"1\\\"><\/span>\\r\\n\\r\\n<span style=\\\"font-weight: 400;\\\">This guide provides an insightful look into how the 4-day upper-lower split works and why it's a superior choice for hypertrophy, which is the scientific term for muscle growth. You'll learn how to structure your routine, choose the best exercises, and manage rest to maximize your results.<\/span>\\r\\n<h2 style=\\\"text-align: center;\\\"><b>How Does A 4-Day Upper-Lower Split Work?<\/b><\/h2>\\r\\n<span style=\\\"font-weight: 400;\\\">The 4-day upper-lower split divides your training week into two upper-body days and two lower-body days. This structure allows you to train your entire body twice a week, which is considered optimal for muscle growth for most intermediate and advanced lifters (<\/span><a href=\\\"https:\/\/link.springer.com\/article\/10.1007\/s40279-016-0543-8\\\"><span style=\\\"font-weight: 400;\\\">1<\/span><\/a><span style=\\\"font-weight: 400;\\\">).<\/span>\\r\\n\\r\\n<span style=\\\"font-weight: 400;\\\">On upper-body days, you focus on muscles such as the chest, back, shoulders, biceps, and triceps. On lower-body days, you target the quadriceps, hamstrings, glutes, and calves. 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Some people train their full body every session, while others focus on just one muscle group per day. One of the most effective and popular approaches, particularly for building muscle, is the 4-day upper-lower split.<\/span>\r\n\r\n<span data-sheets-root=\"1\"><\/span>\r\n\r\n<span style=\"font-weight: 400;\">This guide provides an insightful look into how the 4-day upper-lower split works and why it's a superior choice for hypertrophy, which is the scientific term for muscle growth. You'll learn how to structure your routine, choose the best exercises, and manage rest to maximize your results.<\/span>\r\n<h2 style=\"text-align: center;\"><b>How Does A 4-Day Upper-Lower Split Work?<\/b><\/h2>\r\n<span style=\"font-weight: 400;\">The 4-day upper-lower split divides your training week into two upper-body days and two lower-body days. This structure allows you to train your entire body twice a week, which is considered optimal for muscle growth for most intermediate and advanced lifters (<\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s40279-016-0543-8\"><span style=\"font-weight: 400;\">1<\/span><\/a><span style=\"font-weight: 400;\">).<\/span>\r\n\r\n<span style=\"font-weight: 400;\">On upper-body days, you focus on muscles such as the chest, back, shoulders, biceps, and triceps. On lower-body days, you target the quadriceps, hamstrings, glutes, and calves. 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