A tugging sensation in the left side of the lower back when bending over may be related to lumbar muscle strain, lumbar disc herniation and other diseases. Lumbar muscle strain, lumbar myofasciitis is due to long-term lumbar muscle fibers, fascia is subjected to repeated pulling or cold and other reasons for the formation of aseptic inflammation. Long-term inflammatory stimulation will cause muscle tissue adhesion, and there will be a pulling sensation when there is a decrease in muscle mobility when bending over. Herniated lumbar disc compresses the spinal cord nerve roots, which may cause abnormal sensation of nerve innervation to the left lumbar region. When the nerve is pulled when bending over, there will be a tugging sensation, which may be accompanied by lumbar pain, numbness and other symptoms. If the left side of the lumbar muscle with a pulling sensation when bending over, it is recommended that the patient go to the hospital for a medical examination to clarify the cause of the disease after targeted treatment.