{"id":129,"date":"2025-06-18T08:31:34","date_gmt":"2025-06-18T08:31:34","guid":{"rendered":"https:\/\/fitmia.fi\/?p=129"},"modified":"2026-04-16T18:22:11","modified_gmt":"2026-04-16T18:22:11","slug":"eccentric-training","status":"publish","type":"post","link":"https:\/\/fitmia.fi\/?p=129","title":{"rendered":"Eccentric Training"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Eccentric Training \u2013 Boost Strength and Prevent Injuries<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Introduction<\/strong><br>Eccentric loading has gained attention especially in strength training and rehabilitation. It&#8217;s praised for its effectiveness\u2014but what exactly is it, and why does it work so well? This post takes a closer look at the science behind eccentric training, with practical applications in mind.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is eccentric loading?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A type of muscle contraction where the muscle lengthens while producing force (e.g., the lowering phase of a squat or pull-up).<\/li>\n\n\n\n<li>In contrast to concentric (shortening) and isometric (static) contractions.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why is it effective?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muscles can handle greater loads eccentrically than concentrically.<\/li>\n\n\n\n<li>More motor units are recruited and with higher force.<\/li>\n\n\n\n<li>Mechanical tension and microdamage stimulate muscle growth and tendon adaptation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-src=\"https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-1024x683.jpg\" alt=\"\" class=\"wp-image-130 lazyload\" data-srcset=\"https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-1024x683.jpg 1024w, https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-300x200.jpg 300w, https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-768x512.jpg 768w, https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-1536x1024.jpg 1536w, https:\/\/fitmia.fi\/wp-content\/uploads\/2025\/06\/alexander-red-qo1pyCD02t4-unsplash-2048x1365.jpg 2048w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/683;\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Scientific Perspective<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Eccentric vs. Concentric Activation<\/strong><br>Research shows that eccentric contractions can produce higher forces with lower electrical activation compared to concentric ones. This may be due to passive mechanical components such as titin.<\/li>\n\n\n\n<li><strong>Tendon Adaptations and Injury Prevention<\/strong><br>Eccentric training increases tendon tensile strength and resilience. It&#8217;s particularly beneficial for preventing and rehabilitating Achilles and patellar tendon issues.<\/li>\n\n\n\n<li><strong>Developing Force Production<\/strong><br>Eccentric training improves 1RM performance and explosive strength. It&#8217;s a powerful method for both elite athlete programming and developmental phases.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Eccentric Training and Flywheel Devices<\/strong><br>Flywheel training has emerged as a promising method, especially for older adults. Unlike gravity-dependent equipment, flywheel devices use kinetic energy stored and released via an inertial flywheel, allowing both effective concentric and especially eccentric loading (Maroto-Izquierdo et al., 2017).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A systematic review and meta-analysis by Vicens-Bordas et al. (2020) found that flywheel training improves muscle strength more effectively than traditional resistance training\u2014especially for the lower body\u2014while enhancing muscle activation, jump performance, and sprint capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It has also been shown to promote hypertrophy and prevent injuries, making it an excellent tool for athletes and aging populations alike to maintain function and counteract sarcopenia.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How to Program Eccentric Training<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Methods:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tempo training:<\/strong> 3\u20135s eccentric phase, explosive concentric<\/li>\n\n\n\n<li><strong>Negative reps:<\/strong> loads heavier than 1RM, lowered under control<\/li>\n\n\n\n<li><strong>Flywheel exercises:<\/strong> inertia creates eccentric resistance<\/li>\n\n\n\n<li><strong>Examples:<\/strong> Nordic hamstrings, Romanian deadlifts, eccentric calf raises<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recovery:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eccentric loading causes more microtrauma \u2192 longer recovery time<\/li>\n\n\n\n<li>Not recommended repeatedly on high-intensity days without proper planning<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example Program (2x\/week \u2013 for advanced lifters):<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Exercise<\/strong><\/td><td><strong>Sets x Reps<\/strong><\/td><td><strong>Tempo \/ Method<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Squat (eccentric emphasis)<\/td><td>3 x 5<\/td><td>4s down \u2013 explosive up<\/td><\/tr><tr><td>Romanian deadlift<\/td><td>3 x 8<\/td><td>3s down<\/td><\/tr><tr><td>Flywheel leg curl<\/td><td>3 x 10<\/td><td>Max effort pull<\/td><\/tr><tr><td>Nordic hamstrings<\/td><td>2 x 5<\/td><td>Controlled descent<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Photo<\/strong> by <a href=\"https:\/\/unsplash.com\/@alexandered7?utm_content=creditCopyText&amp;utm_medium=referral&amp;utm_source=unsplash\" target=\"_blank\" rel=\"noopener\">Alexander Red<\/a> on <a href=\"https:\/\/unsplash.com\/photos\/a-man-is-doing-a-pull-up-in-a-gym-qo1pyCD02t4?utm_content=creditCopyText&amp;utm_medium=referral&amp;utm_source=unsplash\" target=\"_blank\" rel=\"noopener\">Unsplash<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>References<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Douglas, J., et al. (2017). &#8220;Eccentric Exercise: Adaptations and Applications for Health and Performance.&#8221; <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hortob\u00e1gyi, T., et al. (1998). &#8220;Muscle activation differences between eccentric and concentric contractions.&#8221; <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mafi, N., et al. (2001). &#8220;Eccentric calf muscle training vs. concentric training in Achilles tendinosis.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vicens-Bordas, J., et al. (2020). Is inertial flywheel resistance training superior to gravity-dependent resistance training in improving muscle strength? A systematic review with meta-analyses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Roig, M., et al. (2009). &#8220;The effects of eccentric versus concentric resistance training on muscle strength and mass in healthy adults: a systematic review with meta-analysis.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maroto-Izquierdo, S., et al. (2017). &#8220;Effects of inertial training on muscle function and structure: a systematic review.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beato, M., et al. (2020). &#8220;Effect of flywheel resistance training on sport-specific performance in soccer players.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fernandez-Gonzalo, R., et al. (2016). &#8220;Chronic eccentric training improves muscle hypertrophy and functional performance.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wang, R., et al. (2024). &#8220;Flywheel resistance training and balance in older adults.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Raya-Gonzalez, J., et al. (2021). &#8220;Flywheel training effects on injury prevention and sport performance.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Allen, W.J., et al. (2021). &#8220;Application of flywheel training in athletic populations.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alkner, B.A., &amp; Tesch, P.A. (2004). &#8220;Flywheel resistance training during bed rest.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tesch, P.A., et al. (2004). &#8220;Using flywheel exercise to preserve muscle mass during disuse.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eccentric Training \u2013 Boost Strength and Prevent Injuries IntroductionEccentric loading has gained attention especially in strength training and rehabilitation. It&#8217;s 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