Jair Graves

Biology

7 October, 15:04

Which of the following statements is not true?

a. muscle growth is typically completed by about age 30

b. after age 30, there is typically a 10% loss of muscular strength until about 60, usually in the back and leg muscles

c. regular exercise has little impact on maintaining peak performance after age 30

d. after age 60, there is a significant loss of lean muscle mass and flexibility