The longer young adults have HIV, the more likely they are to have weaker muscles, worse physical performance, and less muscle mass — it might be that having HIV for a longer time leads to worsening...

Older adults with HIV who exercised for 16 weeks likely had denser thigh muscles (5.2% increase) compared to the control group (0.3% decrease), which was statistically significant.

Adults with HIV between 20 and 50 years old seem to have more trouble with everyday physical tasks — like getting up from a chair or walking — than similar people without HIV, even if their body size looks normal.

Older people with HIV who did aerobic and resistance exercise for 16 weeks probably had bigger thigh muscles (7.5% increase) compared to those who didn't (3.1% decrease), and this difference was statistically significant.

Older people with HIV who did the exercise program for 16 weeks probably had much stronger legs (51.8% increase) compared to those who didn't (1.3% increase), and this difference was highly significant.

Young adults with HIV are more likely to have low muscle mass than those without HIV, even if their average muscle levels look about the same.