ISSA Nutritionist Practice Exam

Which of the following places stress on bones and can prevent osteoporosis in adults?

1. Cardiovascular training

2. Strength training

3. Flexibility exercises

4. Aerobic exercises

The correct answer is: Strength training

Strength training is particularly effective in placing stress on bones, which is crucial for maintaining bone density and preventing conditions like osteoporosis in adults. When muscles contract during strength training exercises, they pull on the bones to which they are attached. This mechanical load stimulates the bone-forming cells (osteoblasts) to increase bone mass and overall health. As adults age, the natural process of bone remodeling can lead to decreased bone density, increasing the risk of osteoporosis. Engaging in regular strength training exercises helps counteract this by promoting the strengthening of both muscles and bones. In contrast, cardiovascular training mainly focuses on heart and lung health without providing the same level of mechanical stress that leads to bone strengthening. Similarly, flexibility exercises primarily enhance joint range of motion without significantly impacting bone density, and while aerobic exercises improve cardiovascular fitness, they do not offer the specific bone-loading benefits essential for osteoporosis prevention. Thus, strength training stands out as the most beneficial form of exercise in this context.