Lumbar muscle strain in the non-acute phase can be treated with massage therapy. Lumbar muscle strain is a chronic aseptic inflammation caused by overexertion of the lower back, related to factors such as prolonged sitting and long periods of bending. It can cause pain in the lower back and limited movement. In addition to massage therapy, treatments for lumbar muscle strain can include local heat application, infrared radiation, and electromagnetic therapy. It is also advisable to change daily lifestyle habits by avoiding prolonged sitting and bending, and avoiding exposure to cold. Appropriate exercises to strengthen back muscles, acupuncture, massage, and when necessary, the use of non-steroidal anti-inflammatory and muscle relaxant medications can also be used for treatment.