Answer:
B.The stretch involves using a partner to apply force against your contraction.
Step-by-step explanation:
The proprioceptive neuromuscular facilitation is a method used in muscular rehabilitation, it involves a partner helping you applying forca agains your muscular contaction in order to extend more the muscle and with this gradual movement taht estimulates the nerves and neuromuscular receptors in an attempt to make a more effective movement.