Question

which of the following is true for most people?
as you get older, your muscle mass increases while the amount of collagen in your muscles decreases.
as you get older, your muscle mass increases as does the amount of collagen in your muscles.
as you get older, your muscle mass decreases while the amount of collagen in your muscles increases.
as you get older, your muscle mass decreases as does the amount of collagen in your muscles.
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part d
your 60 - year - old aunt was recently diagnosed with sarcopenia. which of the following activities will likely help her the most?
running intervals
biking intervals
yoga
crossfit

Explanation:

As people age, muscle mass generally decreases due to factors like reduced physical activity and hormonal changes. Collagen, which provides structural support to muscles, also tends to decrease over time. For sarcopenia (age - related muscle loss), activities that involve resistance training are beneficial. CrossFit often includes strength - building exercises which can help combat muscle loss. Running intervals and biking intervals are more aerobic, and while they have benefits, they may not be as effective for muscle mass as resistance - based activities. Yoga is good for flexibility and balance but may not be the most effective for increasing muscle mass in sarcopenia.

Answer:

For the first question: As you get older, your muscle mass decreases as does the amount of collagen in your muscles.
For the second question: CrossFit.