Question

select the correct answer. which statement is true regarding flexibility? a. a joints range of motion cannot be maintained with age. b. a joints range of motion will be lost if the joint is not used regularly. c. flexibility decreases with age because muscle strength increases. d. flexibility decreases at a rate predetermined at birth.

Explanation:

• Option A: With proper exercise, a joint's range of motion can be maintained with age. So, this option is false.
• Option B: This is in line with the principle of "use it or lose it" in terms of joint flexibility. If a joint is not used, the surrounding tissues (like muscles, tendons, ligaments) can become stiffer, reducing the range of motion.
• Option C: Flexibility decreases with age due to factors like decreased elasticity of connective tissues, not because of increased muscle strength. Muscle strength and flexibility are different aspects of physical fitness.
• Option D: Flexibility is influenced by many factors such as exercise, diet, and overall health, not just a rate predetermined at birth.

Answer:

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