What neurophysiological mechanism primarily explains the effectiveness of PNF stretching techniques?

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AMyofascial release
BMuscle spindle activation
CMotor unit recruitment
DAutogenic inhibition

✓ Correct answer: D. Autogenic inhibition PNF (Proprioceptive Neuromuscular Facilitation) techniques primarily work through autogenic inhibition, where the Golgi tendon organs respond to tension by causing the muscle to relax, allowing for greater range of motion.

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What neurophysiological mechanism primarily explains the effectiveness of PNF stretching techniques?

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