She overstrained her back lifting the heavy boxes, so she needs to rest.

He suffered an overstrain in his shoulders after lifting the heavy equipment.

Don't overstrain your voice by shouting for so long at the concert.

By overstraining his left wrist while lifting weights, he risked a long recovery.

Every time she lifts heavy boxes, she overstrains her back and needs a few days to recover.

Field veterinarians cautioned that chasing and prolonged restraint of antelopes can cause overstraining disease, a condition that results in severe muscle damage.