Contrary to the Servo Theory of Muscle Activation

question 10

Multiple Choice

Contrary to the servo theory of muscle activation,

• A) Intrafusal muscle fibers are generally activated before extrafusal muscle fibers are activated
• B) Intrafusal muscle fibers and extrafusal muscle fibers are not really distinguishable
• C) Intrafusal muscle fibers and extrafusal muscle fibers are generally activated simultaneously
• D) Servo mechanisms are no longer thought to play any role in motor control

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