Which statement is true regarding flexibility?

a joint's range of motion cannot be maintained with age.

a joint's range of motion will be lost if the joint is not used regularly.

flexibility decreases with age because muscle strength increases.

flexibility decreases at a rate predetermined at birth.

Frankie is having difficulty developing a friendship with histeammate curtis. whenever frankie invites curtis to hangout with him at the park, curtis always says that he's busy. what is most likely preventing a healthy relationship fromforming? a)the boys are not being generous with their time andeffort. b)the boys are not communicating. c)both boys are too busy. d)the boys are on different teams.

Which of the following is an important part of good posture? a. slumped shoulders b. arched back c. feet shoulder-width apart d. belly out

This is one popular brand of exercise machine