Inverted leg against the wall leg numbness, there are generally two reasons for this situation, as follows: the first is due to the inverted lumbar vertebrae in a different position than normal, may lead to lumbar disc herniation, compression of the nerve caused by leg numbness, you can clarify the condition through nuclear magnetic examination, and according to the results of the examination to clarify which section of the lumbar disc herniation compression of the nerve and according to the degree of compression to decide whether to conservative or surgical However, there is no need to worry too much because most of the lumbar disc herniation can be relieved by conservative treatment, that is, training of the lumbar back muscles. The second, there is lower limb artery stenosis or occlusion, when the body is upside down is due to gravity, blood supply to the foot becomes less, will lead to ischemia of the already ischemic lower limbs more serious, so there will be leg numbness. If the usual leg temperature is low and intermittent claudication has occurred, ultrasound examination of the arteries of the lower extremities should be performed to clarify the presence of arterial lumen stenosis or occlusion, and further treatment options should be decided according to the situation.