Motor Units, Recruitment, and Muscle Tension
Anatomy and Physiology · Flashcards
ANATOMY AND PHYSIOLOGY · FLASHCARDS
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QUESTION
A muscle lengthens while producing tension, as when slowly lowering a weight. What type of contraction is this?
QUESTION
What is recruitment in skeletal muscle?
QUESTION
What is the size principle of motor unit recruitment?
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ANSWER
Motor units are recruited from smallest to largest as the force needed increases, so small, fatigue-resistant units are used first.
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