Effect of lying flat and lifting legs 30 degrees on the lumbar spine

Lift your feet 30 degrees after lying flat and lifting your feet 30 degrees has no significant effect on the lumbar spine. If you are in a normal person, lifting your feet 30 degrees will not have much pulling effect on the waist and back. However, if the patient has lumbar muscle strain, back myofascitis, etc., lifting your feet 30 degrees can induce a pulling feeling in the waist and back. For patients with severe lumbar disc herniation, lifting a leg 30 degrees can induce compression of the sciatic nerve, resulting in numbness and pain in the lower limbs. Therefore, when patients undergo straight leg lifting examinations, the angle of leg lifting is an important reference. If the patient lifts his legs 30 degrees and causes obvious symptoms, indicating that there may be lesions in the lumbar spine, imaging examinations should be further improved, including CT, magnetic resonance and other clarifying the condition, so as to determine the corresponding treatment intervention methods.