The right side of the waist like a twisted tendon pain may be caused by lumbar sprain, lumbar intervertebral disc herniation, lumbar dorsal musculoskeletal fasciitis and other reasons. 1. Lumbar sprain: soft tissue injuries in the lumbar region caused by sports, heavy lifting and other actions may lead to lumbar pain on the right side of the waist like a twisted tendon, lumbar spine activity is limited. 2. Lumbar disc herniation: Lumbar disc herniation will lead to increased pressure on the spinal canal, stimulating the peripheral nerves causing pain on the right side of the waist like a twisted tendon. 3. Lumbar dorsal myofasciitis: prolonged sitting and standing in an incorrect posture, cold, fatigue, etc. may cause the right side of the lumbar muscle repeated tension and contraction, resulting in local congestion, edema, the formation of aseptic inflammation or synovial inflammation, which will lead to the right side of the lumbar like twisted tendon like pain symptoms. Trauma, kidney disease and other causes may also lead to the right side of the waist like twisted tendon pain, the right side of the waist like twisted tendon pain symptoms, please go to the hospital in time to identify the cause of treatment.