Answer:
The hip flexor complex should be stretched during the warm-up.
Explanation:
The hip flexor complex is a group of muscles that are on the hip and that helps to flex and move back and forward the hip.
In order to avoid an excessive lean forward during squats, this complex should be stretch during warm-up.
B, 40 yard dash. It will really get your heart beating.
A diet high in calcium and low in sugar
Answer:Vaccines are responsible for the control of many infectious diseases that were once common in this country, including polio, measles, diphtheria, pertussis (whooping cough), rubella (German measles), mumps, tetanus, and Haemophilus influenzae type b (Hib).
Explanation: