Lumbar spine compression of nerves can show symptoms of sciatica, which is a radiating pain that can radiate from the buttocks along the back of the thigh to the anterior side of the thigh, the anterior side of the calf, the lateral or medial side of the dorsum of the foot, and the sole of the foot. According to the different segments of lumbar disc herniation or lumbar spinal stenosis, there are different areas of leg pain: 1. If the herniated discs of lumbar 2 and 3, lumbar 3 and 4 compress the nerves, there can be radiating pain on the anterior side of the thigh and the anterior side of the knee joint. 2. If the herniated discs of lumbar 4 and 5 compress the nerves, there can be radiating pain on the anterior side of the calf and the medial side of the foot. 3. If the herniated discs of lumbar 5 and sacral 1 sacral If the nerve is compressed by the herniated disc of lumbar 5 and sacral 1, it can lead to numbness and pain on the lateral side of the foot as well as on the bottom of the foot.