After digging in my garden for 7 hours 5 days ago, I experienced numbness in my left leg, which has not gone away. I cannot keep my heel on the ground and raise my left foot, nor can I lift my toes upward. I have severe numbness on the top of my left foot, and gradual numbness on the outside of my left leg. The numbness lessens gradually up my leg towards my hip. I experienced no severe pain while digging nor afterward. Is this permanent? Will I regain feeling in my leg?