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What makes muscles grow? - Jeffrey Siegel
4:20
YouTubeTED-Ed
What makes muscles grow? - Jeffrey Siegel
View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow. Jeffrey Siegel ...
已浏览 2297.5万 次2015年11月3日
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Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
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已浏览 763万 次
Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21
CrashCourse
Skeletal Muscle Tissue: Contraction, Sarcomere, Myofibril Anatomy Myology
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已浏览 47.6万 次
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RegisteredNurseRN
Muscle Up Tutorial
These legends have redefined strength in every way—each muscle tells a story of relentless dedication. 💪 From Jay Cutler’s legendary legs to Ronnie Coleman’s back, Kevin Levrone’s shoulders, and Lee Priest’s arms—true bodybuilding at its finest. Strive for greatness, and let every flex be a reminder of the work behind it. 🏆 #BodybuildingLegends #Strength #MuscleGoals #NeverStop | GYM Motivation
0:12
These legends have redefined strength in every way—each muscle tells a story of relentless dedication. 💪 From Jay Cutler’s legendary legs to Ronnie Coleman’s back, Kevin Levrone’s shoulders, and Lee Priest’s arms—true bodybuilding at its finest. Strive for greatness, and let every flex be a reminder of the work behind it. 🏆 #BodybuildingLegends #Strength #MuscleGoals #NeverStop | GYM Motivation
FacebookGYM Motivation
已浏览 2197 次2 天之前
Whether you're a fresh beginner or an experienced fitness maniac, try this new bodyweight workout that targets every muscle group for a full-body burn! Take a 1-minute quiz to start now! | Lessie Fitness
0:34
Whether you're a fresh beginner or an experienced fitness maniac, try this new bodyweight workout that targets every muscle group for a full-body burn! Take a 1-minute quiz to start now! | Lessie Fitness
FacebookLessie Fitness
已浏览 347万 次3 天之前
😤 You train hard. But are you training smart? The Ultimate Split 2.0 takes the guesswork out. ⚡ Build muscle. Burn fat. Recover like a pro. 📥 20% launch week discount —book in bio #gym #bodybuilding #samsulek | Sam Sulek
0:27
😤 You train hard. But are you training smart? The Ultimate Split 2.0 takes the guesswork out. ⚡ Build muscle. Burn fat. Recover like a pro. 📥 20% launch week discount —book in bio #gym #bodybuilding #samsulek | Sam Sulek
FacebookSam Sulek
已浏览 7703 次1 天前
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How your muscular system works - Emma Bryce
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Gentle on your joints, powerful for your body ✨Try a free Pure Barre class and to experience the full-body benefits: ♥️ strengthen all your major muscle groups ♥️ improve flexibility ♥️ build confidence Tap [Get Offer] now to get started today | Pure Barre
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Gentle on your joints, powerful for your body ✨Try a free Pure Barre class and to experience the full-body benefits: ♥️ strengthen all your major muscle groups ♥️ improve flexibility ♥️ build confidence Tap [Get Offer] now to get started today | Pure Barre
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