Feeling sore legs after lumbar sprain may be caused by lumbar spinal stenosis, lumbar spondylolisthesis, lumbar intervertebral disc herniation and other diseases, and the symptoms are aggravated after lumbar sprain. 1. Lumbar spinal stenosis: the disease is mainly associated with abnormal development of the lumbar spinal canal, degenerative spinal lesions, spinal fracture, lumbar surgery and other factors, when the patient in the activity, accidentally twisted the waist, will compress the nerves, resulting in patients with lower limb pain, numbness, which caused the phenomenon of feeling sore legs after lumbar sprain. 2. Lumbar spondylolisthesis: this disease is related to lumbar degenerative disease, trauma and other factors, patients will experience lumbar pain, lower limb pain, intermittent claudication and other symptoms, so that patients feel leg pain after lumbar sprain. 3. Lumbar disc herniation: If there is lumbar disc degeneration, injury, pregnancy, heredity, etc., it is common in long-term bad posture, causing the situation of feeling leg soreness after lumbar sprain. It is recommended that patients go to the hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s condition, to take targeted treatment, life should pay attention to rest, work and rest.