MysteriesofMuscle - 4 Why are some people better sprinters...

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Mysteries of Muscle… 1. Why do muscles get bigger when you lift weights? 2. Why is a muscle weaker when overstretched or already contracted? 3. Why did ladies in the 1950’s wear high-heeled bedroom slippers?
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Unformatted text preview: 4. Why are some people better sprinters, and other people better marathoners? 5. How can the same muscle lift both heavy and light objects? 6. Why do we play the piano with our hands, and not our feet?...
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