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BoolQ / would you expect motor units to vary in size

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would you expect motor units to vary in size
passage · full text (551 characters)
The central nervous system is responsible for the orderly recruitment of motor neurons, beginning with the smallest motor units. Henneman's size principle indicates that motor units are recruited from smallest to largest based on the size of the load. For smaller loads requiring less force, slow twitch, low-force, fatigue-resistant muscle fibers are activated prior to the recruitment of the fast twitch, high-force, less fatigue-resistant muscle fibers. Larger motor units are typically composed of faster muscle fibers that generate higher forces.

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task_id
db812e6b-6c8b-5c14-9232-7f88395e48e5
task_key
default--validation--db812e6b-6c8b-5c14-9232-7f88395e48e5
task_revision_id
1
config / split
default / validation

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