a man holds a medical heating pad with hot water in the lumbar spine. relaxation of the back muscles with back pain, lumbago.

absorbable action aid analgetic back backbone background bottle bottles chronic closeup cold concept disease first heater hernia hot hotwater hyperaemia hyperemia hypothermia illness inflammatory injury intervertebral kidneys lumbar male man medic medical muscle nerve organ osteochondrosis pain painkiller person procedure process red relaxation smooth spine strain tension thermotherapy trauma trophic vegetative vertebra warmer water white