Researchers in Israel have discovered a difference in muscle structure in those with obstructive sleep apnea (OSA).
According to a new study published in the journal Sleep and Breathing, people with OSA tend to have a higher muscle mass index, reflecting greater area relative to height, as well as lower density.
This means people with OSA may look like they have more muscle, but that muscle tends to be less dense and potentially less functional.
The researchers gathered data from 209 adults in an overnight sleep study who underwent chest or abdominal CT scans, according to a press release.
Compared with a control group, the researchers found that people with OSA were older, more often male and heavier on average. They were also more likely to have hypertension, cardiovascular disease and poorer oxygen levels during sleep.
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