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

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AMotor unit recruitment
BMyofascial release
CMuscle spindle activation
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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