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Muscles, Part 2 - Organismal Level: Crash Course Anatomy & Physiology #22
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YouTubeCrashCourse
Muscles, Part 2 - Organismal Level: Crash Course Anatomy & Physiology #22
Hank calls in a friend to do his push-ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three-phase cycle of muscle twitches, and how the strength and frequency of an impulse affect the strength and duration of a contraction ...
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Peter Attia, M.D. on Instagram: "How older adults can stop muscle loss | Rhonda Patrick, Ph.D. This clip is from episode # 369 of The Drive which was released today (10/20/25). In the full episode, we cover: -How protein requirements evolve with age, activity, and goals, and why building muscle early is critical for long-term health -The connection between protein intake, mTOR, and longevity, and why fears around activation are largely misplaced -Why creatine’s cognitive effects may be as import
1:22
Peter Attia, M.D. on Instagram: "How older adults can stop muscle loss | Rhonda Patrick, Ph.D. This clip is from episode # 369 of The Drive which was released today (10/20/25). In the full episode, we cover: -How protein requirements evolve with age, activity, and goals, and why building muscle early is critical for long-term health -The connection between protein intake, mTOR, and longevity, and why fears around activation are largely misplaced -Why creatine’s cognitive effects may be as import
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Mohnish Thakkar | Fat Loss, Muscle Gain & Online Fitness Coach on Instagram: "Household chores keep you active, not fit. That’s why most moms slowly lose muscle and strength over time. It’s in your hands to make her stronger. Start this simple resistance band workout with her today: 1.Seated Leg Extension – Strengthens knees and reduces stiffness. 2.Resistance Band Rows – Builds back strength and improves posture 3.Shoulder Overhead Press – Strengthens shoulders and upper body. 4.Bicep Curls – T
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