Lateral left thigh sprain-like pain can be caused by trauma, myofasciitis, lumbar disc herniation, hip joint lesions and other diseases. 1. Trauma: external force directly affects the left lateral thigh, which can cause local bone and soft tissue injury, resulting in pain, swelling, bruising and limitation of activities on the left lateral thigh. 2. Myofasciitis: prolonged overwork or cold stimulation of the left thigh muscle can trigger local myofasciitis, aseptic inflammation occurs, stimulated by inflammation, which can cause torsion-like pain on the lateral side of the left thigh. 3. Lumbar disc herniation: Lumbar disc herniation can lead to spinal cord or nerve root compression in the spinal canal, causing lumbar, buttock and lower limbs and other parts of the radiating pain, numbness and other nerve compression, and can be associated with the left lateral thigh pain symptoms. 4. Hip joint lesions: when femoral head necrosis, hip osteoarthrosis, gouty arthritis, rheumatoid arthritis and other diseases occur in the hip joint, the hip joint may show pain and activity limitation, and the pain may be involved in the left lateral thigh. When the left lateral thigh torsion-like pain occurs, you should consult a doctor in a timely manner, and under the guidance of a specialist, actively carry out the appropriate treatment, which will help to alleviate the uncomfortable symptoms as soon as possible.