Praxis II Physical Education Exam Prep

Correct Response: D. Weight-bearing and strength training exercises help build bone density and are important for older adults who may be at risk of osteoporosis. In addition to contributing to bone strength, these exercises improve muscle control, connective tissue strength, and balance, which can help prevent falls that are a major cause of broken bones in older adults. Regular aerobic exercise is most useful for strengthening the lungs (A) and reducing the risk of heart disease (B). Flexibility is improved through stretching (C).