The warm-up for an exercise-training session should consist of

A) 20-30 minutes of low-to-moderate intensity aerobic and muscular endurance activities.
B) 15-20 minutes of high intensity flexibility exercises.
C) 5-10 minutes of low-to-moderate intensity aerobic and muscular endurance activities.
D) 5-10 minutes of stretching.

Exercise-Training Session

A structured period of physical activity designed to improve fitness, strength, or performance.

Aerobic

Pertaining to exercises or activities that improve the efficiency of the body's cardiovascular system in absorbing and transporting oxygen.

Muscular Endurance

The capability of a muscle or group of muscles to perform repetitive contractions over a prolonged period without fatigue.