If young adults feel more stressed, their muscles might not recover as quickly after a tough workout — and this isn't just because of how fit they are or how hard they worked out.

If you're a young adult lifting heavy weights, being under a lot of long-term stress might slow down how fast your muscles bounce back—even if you're fit or experienced.

If you're a young adult lifting heavy weights, being under more long-term stress might slow down how quickly your muscles bounce back in the hour after your workout — even if you're fit and used to training hard.

Stress doesn't seem to change how quickly young adults feel less tired or sore right after a hard workout.

If you're a young adult who lifts weights, being more stressed out might slow down how quickly your leg strength bounces back after a tough workout—even if you're fit and experienced.

If you're under a lot of long-term stress, your muscles might not recover as well after a tough workout — and you might feel more sore or off for days afterward.