Lumbar muscle strain mainly refers to chronic progressive injury diseases of soft tissues such as lumbar muscle, fascia, supraspinous ligament and interspinous ligament. Most of these diseases have no obvious history of trauma and organic lesions, and there is no obvious dysfunction in daily life, life and work. Often manifested as work can not last long, low back pain is light and heavy, and it is difficult to heal. The causes of chronic lumbar muscle strain are lumbar muscle strain, lumbar fasciitis, hypertrophy of transverse process of the third lumbar vertebra, strain of large spine and interspinous ligament.

Patients with lumbar muscle strain have severe back pain and stiff muscles, which can be aggravated after fatigue and relieved at rest. It is difficult to bend over, and the pain is obvious in the morning. A little exercise can relieve or disappear, and it can be aggravated when it is cold and wet. Knocking your waist with your fist or lying flat and raising your waist can relieve or be comfortable. Lumbar functional activities are generally normal or close to normal.