A great pre-workout supplement can take your training to a new level. A bad one and trust us, they're out there will waste your time and money. We show you how to tell the difference. Pre-workout supplements represent one of the bestselling and fastest-growing categories in the supplement market today. It makes sense, when you consider how critical the one-hour window before training is for providing your body with the nutrients it needs to perform at its optimal level.
Sciatica occurs when there is pressure or damage to the sciatic nerve. This nerve starts in the lower back and runs down the back of each leg. This nerve controls the muscles of the back of the knee and lower leg. It also provides sensation to the back of the thigh, part of the lower leg, and the sole of the foot.
The sciatic nerve. The sciatic nerve begins in the lumbar (lower back) region of the spine, specifically at the L4 and L5 levels. The nerve exits the spinal canal through two openings in the sacral (pelvic) spine, extending through the length of the legs. The sciatic nerve is the widest nerve of all the millions in the body, and it is also the longest nerve, which means it innervates more areas than any other nerve. Since the sciatic nerve begins in the lower back, but travels all the way to the toes, sciatic nerve pain can extend to the following areas: