The possible causes of women’s soreness in the middle of the back are pelvic diseases, supraspinatus neuritis, lumbar disc herniation, lumbar muscle strain, etc. 1. Pelvic diseases: such as pelvic inflammatory disease or pelvic effusion, there will be a feeling of abdominal cramps, as well as the performance of lumbar pain. 2. Supraspinous neuritis: the supraspinous ligament is a longitudinal ligament on the surface of the spinal process of the spine, and when it is inflamed, there will be a feeling of localized supraspinous ligament soreness in the lumbar region. 3. Lumbar disc herniation: it may compress the peripheral nerves of the intervertebral disc, which will produce discomfort in the buttocks and hips, as well as lumbar soreness and pain, and even numbness and pain in the lower limbs in severe cases. 4. Lumbar muscle strain: prolonged sitting or prolonged bending, or lumbar cold leading to lumbar muscle strain, there will be lumbar pain symptoms. There may be other reasons for women’s back pain in the middle of the back, it is recommended to go to the hospital in time to identify the cause of the disease, symptomatic treatment.