An appropriate exercise to develop muscle endurance for the ________ is ________ .
A. quadriceps; one set of 15 knee flexions at low resistance.
B. triceps; one set of 15 repetitions of arm curls at low resistance.
C. wrist flexors; one set of 15 repetitions of wrist curls at low resistance.
D. hip abductors; one set of 15 repetitions of half-squats at low resistance.
Answer: C