Explanation should include the principles of static stretching, ballistic stretching, and proprioceptive neuromuscular facilitation (PNF). It should include considerations of intensity, duration, and frequency. It should also address the differences between elastic and plastic deformation. It should include the concept that flexibility is important because it increases joint range of motion, facilitates reflex inhibition, and enhances the performance of activities of daily living.

Process/Skill Questions:

NASM-Certified Personal Trainer

Chapter 7 Flexibility Training Concepts