15) specificity: a. stretching a muscle beyond its usual maximum extension b. each muscle must be stretched individually to improve flexibility c. slow, controlled movements through a full range of motion, best for warm up d. holding stretches for 20 seconds, best for cool down e. small but consistent increases in range of motion 16) dynamic: a. stretching a muscle beyond its usual maximum extension b. each muscle must be stretched individually to improve flexibility c. slow, controlled movements through a full range of motion, best for warm up d. holding stretches for 20 seconds, best for cool down e. small but consistent increases in range of motion 17) static: a. stretching a muscle beyond its usual maximum extension b. each muscle must be stretched individually to improve flexibility c. slow, controlled movements through a full range of motion, best for warm up d. holding stretches for 20 seconds, best for cool down e. small but consistent increases in range of motion