"reduced exercise capacity"

Feeling Like 'Everything Is a Bother'—Could It Be Chronic Muscle Pain Throughout Your Body?

Do you wake up in the morning feeling sluggish all over, get tired easily after moving just a little, and constantly catch yourself saying that 'everything is a bother'? You might have blamed yourself, wondering if you are just being lazy. However, this may actually be an important distress signal sent by your body.