The Last Little Bit of a Chin-Up Is Usually the Most

question 111

Multiple Choice

The last little bit of a chin-up is usually the most difficult to perform because

• A) of the lever properties of the muscle-joint interaction.
• B) stretched sarcomeres have less overlap where cross-linking can occur.
• C) of psychological fatigue that is a metabolic by-product of the exertion.
• D) the necessary switch from fast- to slow-twitch fibers.
• E) Both a and b

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