{"id":21298,"date":"2022-07-21T14:16:42","date_gmt":"2022-07-21T14:16:42","guid":{"rendered":"https:\/\/harchi90.com\/the-3-7-method-for-muscle-growth-and-strength\/"},"modified":"2022-07-21T14:16:42","modified_gmt":"2022-07-21T14:16:42","slug":"the-3-7-method-for-muscle-growth-and-strength","status":"publish","type":"post","link":"https:\/\/harchi90.com\/the-3-7-method-for-muscle-growth-and-strength\/","title":{"rendered":"The 3\/7 Method for Muscle Growth and Strength"},"content":{"rendered":"<div>\n<h3>Muscle Growth, Metabolic Stress, and Mechanical Stress<\/h3>\n<p>I&#8217;m a sucker for metabolic stress.  If, after a workout, I&#8217;m not short of breath, don&#8217;t feel sweat trickling down my temples, don&#8217;t sizzle from a lactic acid burn, or exult in the glory of a pump, I get the workout equivalent of blue balls<\/p>\n<p>Just like real blue balls, it&#8217;s not dangerous, but I&#8217;m a little cranky until I find sweet release.  So, load me up with work, please.  Let my spirit animal \u2013 a mutant crossbreeding between a mule and a beaver \u2013 shine.<\/p>\n<p>That&#8217;s why reading about the 3\/7 method aroused my interest.  It&#8217;s a set-rep scheme developed by French strength coach Emmanuel Legeard in the early 2000s.  It combines relatively heavy weight (mechanical stress) with very short rest periods (metabolic stress).<\/p>\n<p>It&#8217;s got a couple of things going for it.  One, it&#8217;s among the most time-efficient methods around, and two, it&#8217;s got some solid research to back up its muscle-building and muscle-strengthening credentials.<\/p>\n<div class=\"so-accordion-wrapper\">\n<div class=\"so-tab\"><input id=\"so-tab-2\" type=\"checkbox\" name=\"tabs\"\/> <label for=\"so-tab-2\"><\/p>\n<h3>Why Does It Work?<\/h3>\n<p><\/label><\/p>\n<div class=\"so-tab-content\">\n<p>The short intervals used in the 3\/7 method are thought to induce a greater amount of cumulative fatigue-related metabolites like lactate, hydrogen ions, and inorganic phosphate.<\/p>\n<p>Sound vaguely familiar?  It&#8217;s exactly the mechanism ascribed to the success of blood-flow restriction training (when you wrap elastic bands around a muscle before doing a set).<\/p>\n<p>The incremental organization of the reps within each set are also thought to play a part in inducing a greater accumulation of metabolites, particularly by the 5th set (of the first &#8220;round&#8221; of reps), the 10th set (at the end of the second) round), and the 15th set (which you hit at the end of the third round, assuming you haven&#8217;t already hit failure).<\/p>\n<p>All this metabolic stress then initiates the anabolic signaling that leads to muscle hypertrophy.<\/p>\n<\/div>\n<\/div>\n<div class=\"so-tab\"><input id=\"so-tab-3\" type=\"checkbox\" name=\"tabs\"\/> <label for=\"so-tab-3\"><\/p>\n<h3>Research: Does the 3\/7 Method Make Me Stronger?<\/h3>\n<p><\/label><\/p>\n<div class=\"so-tab-content\">\n<figure><noscript><img src=\"https:\/\/i0.wp.com\/d3h9ln6psucegz.cloudfront.net\/wp-content\/uploads\/2022\/07\/Bench-Press-9.jpg?ssl=1\" alt=\"Bench Press\" data-recalc-dims=\"1\"\/><\/noscript><br \/><\/figure>\n<p>There have only been two studies conducted using the 3\/7 method (the first of which was chosen as a finalist for &#8220;Paper of the Year&#8221; at the American College of Sports Medicine&#8217;s annual meeting), but both showed compelling results.<\/p>\n<p>Laurent, et al., compared the 3\/7 method to two more traditional training methods.  They split 38 healthy young men into three separate groups.  Each group trained bench press twice a week for 8 weeks:<\/p>\n<ul>\n<li>Group A used a 4&#215;6 (4 sets of 6 reps) protocol.<\/li>\n<li>Group B used an 8&#215;6 (8 sets of 6 reps) protocol.<\/li>\n<li>Group C used the 3\/7 protocol.<\/li>\n<\/ul>\n<p>Each group used 70% of their 1RM and rested 150 seconds between sets (or, in the case of the 3\/7 method, between rounds).<\/p>\n<ul>\n<li>The 4&#215;6 group improved their 1RM by 21.8%.<\/li>\n<li>The 8&#215;6 group improved their 1RM by 35.9%.<\/li>\n<li>The 3\/7 group improved their 1RM by 29.8%.<\/li>\n<\/ul>\n<p>While the 3\/7 group didn&#8217;t &#8220;win&#8221; the competition, it still showed pretty strong results.  Bear in mind, too, that this study only used one round of 3\/7 training instead of the 3 rounds initially proposed by Emmanuel Legeard when he devised the method.<\/p>\n<\/div>\n<\/div>\n<div class=\"so-tab\"><input id=\"so-tab-4\" type=\"checkbox\" name=\"tabs\"\/> <label for=\"so-tab-4\"><\/p>\n<h3>Research: Does the 3\/7 Method Make Me Bigger?<\/h3>\n<p><\/label><\/p>\n<div class=\"so-tab-content\">\n<figure><img alt=\"Biceps Workout\" src=\"https:\/\/i0.wp.com\/d3h9ln6psucegz.cloudfront.net\/wp-content\/uploads\/2022\/07\/Biceps-Workout-1.jpg?ssl=1\" data-recalc-dims=\"1\"\/><noscript><img src=\"https:\/\/i0.wp.com\/d3h9ln6psucegz.cloudfront.net\/wp-content\/uploads\/2022\/07\/Biceps-Workout-1.jpg?ssl=1\" alt=\"Biceps Workout\" data-recalc-dims=\"1\"\/><\/noscript><br \/><\/figure>\n<p>Stragier, et al.  also compared the 3\/7 method to another classic set\/rep scheme (8&#215;6), this time targeting biceps curls and evaluating both strength and muscle thickness.<\/p>\n<p>Forty-three untrained subjects, divided into two groups, trained machine biceps curls twice a week for 12 weeks.  However, unlike the Laurent study described above, the subjects in this study did two rounds of 3\/7 training instead of one.<\/p>\n<p>As in the Laurent study, both groups used training weights approximating 70% of their 1RM.<\/p>\n<p>This time, 3\/7 came up on top.  It resulted in 75% greater biceps growth and 83% greater strength gains than the 8&#215;6 protocol, probably because of the additional round of metabolic stress induced by using a second round of 3\/7 training.<\/p>\n<\/div>\n<\/div>\n<div class=\"so-tab\"><input id=\"so-tab-5\" type=\"checkbox\" name=\"tabs\"\/> <label for=\"so-tab-5\"><\/p>\n<h3>Advantages and Disadvantages of the 3\/7 Method<\/h3>\n<p><\/label><\/p>\n<div class=\"so-tab-content\">\n<p>The studies are fairly compelling, but you might have noticed that they didn&#8217;t use experienced weight trainers.  That sours the results a bit because, well, you could train newbies with Campbell&#8217;s soup cans and then progress them to using Progresso Rich and Hearty soup cans, and even that amount of anemic training would result in some significant gains in strength and hypertrophy.<\/p>\n<p>Still, the hypothesis behind this kind of metabolic stress training appears sound.  It could very well work in experienced trainees, particularly if they do three rounds of the 3\/7 method (for a total of close to 75 reps!) instead of the one or two used in the studies.<\/p>\n<p>One distinct advantage of the 3\/7 method that you might not have considered is time efficiency.  One round of 3\/7 training takes somewhere between 2 and 3 minutes, whereas doing 8 sets of 6 would probably take around 20 minutes.<\/p>\n<p>Of course, adding additional rounds of 3\/7 training would add to that 2 or 3-minute total, but it still makes for a pretty quick workout.<\/p>\n<\/div>\n<\/div>\n<div class=\"so-tab\"><input id=\"so-tab-6\" type=\"checkbox\" name=\"tabs\"\/> <label for=\"so-tab-6\"><\/p>\n<h3>Three Critical Points<\/h3>\n<p><\/label><\/p>\n<div class=\"so-tab-content\">\n<p>If you want to take 3\/7 training out for a spin, respect these critical points:<\/p>\n<ol>\n<li>Pick the correct weight (approximately 70% of your 1RM, which usually equates to a weight you can do for 12 reps or so).  You&#8217;ll know you&#8217;re using the right weight if you fail to hit your prescribed reps on the last one or two intra-sets of rounds two or three.<\/li>\n<li>Allow only 15 seconds between each &#8220;intra-set&#8221; and allow 150 seconds (two and a half minutes) between rounds.<\/li>\n<li>Experienced trainees probably need to do 3 rounds to reap maximum benefits.<\/li>\n<\/ol>\n<p>And while the studies on the 3\/7 method only used two exercises (smith machine bench presses and machine biceps curls), there&#8217;s no apparent reason it shouldn&#8217;t work well with any body part or any conventional exercise, with the possible exception of nut busters like squats or deadlifts.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script type=\"rocketlazyloadscript\">\n!function(f,b,e,v,n,t,s)\n{if(f.fbq)return;n=f.fbq=function(){n.callMethod?\nn.callMethod.apply(n,arguments):n.queue.push(arguments)};\nif(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\nn.queue=[];t=b.createElement(e);t.async=!0;\nt.src=v;s=b.getElementsByTagName(e)[0];\ns.parentNode.insertBefore(t,s)}(window,document,'script',\n'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n fbq('init', '146228942585654');\nfbq('track', 'PageView');\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Muscle Growth, Metabolic Stress, and Mechanical Stress I&#8217;m a sucker for metabolic stress. If, after a workout, I&#8217;m not short of breath, don&#8217;t feel sweat trickling down my temples, don&#8217;t sizzle from a lactic acid burn, or exult in the glory of a pump, I get the workout equivalent of blue balls Just like real &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/harchi90.com\/the-3-7-method-for-muscle-growth-and-strength\/\"> <span class=\"screen-reader-text\">The 3\/7 Method for Muscle Growth and Strength<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[4],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":26109,"url":"https:\/\/harchi90.com\/your-warm-up-is-killing-your-workout-and-gains\/","url_meta":{"origin":21298,"position":0},"title":"Your Warm-Up Is Killing Your Workout&#8230; and Gains","date":"July 26, 2022","format":false,"excerpt":"Many well-known coaches have their own specific warm-up routine: The Wenning warm-up, DeFranco warm-up, etc. What's the Thibaudeau warm-up? 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