Can overweight cause foot pain?

What can cause lower right back pain with leg and foot going numb?

• Answer:

  A lumbar hernia is one of several possibilities. Many people experience lower right back pain with leg numbness that is caused by irritation of the sciatic nerve, by the piriformis muscle, that runs from the back through the hip and down the leg. Many times lower back pain relief through sciatic stretches can improve mobility and significantly reduce pain.