The compression occurs due to narrowing of the neural foramen (the gap between each spinal segment where nerves exit). The symptoms associated with this are numbness (reduced sensation) pins and needles (altered sensation), weakness (reduced motor signals) and decreased reflexes. When a nerve is compressed, its ability to conduct normal signals is REDUCED. This, as the name suggests, is as a result of the nerve being compressed somewhere along its path, most commonly as the nerve exits the spine. Nerve pain can be separated into 2 distinct groups, with different signs and symptoms in each group. With the recent advancements in clinical research and theories surrounding nerve pain, having a diagnosis of sciatica simply doesn’t cut it. The sounds pretty broad right? And it is. So this can mean any nerve-related pain in the buttock, hamstring or anything below the knee. The term Sciatica refers to pain originating from the sciatic nerve. ![]() ![]() It is the thickest and longest nerve in the body as it supplies the entire posterior thigh (buttock and hamstring) and the entire lower leg below the knee. ![]() The term stems from the sciatic nerve which is formed in the lower back from nerves that exit at the L4, L5, S1, S2 and S3 levels. ![]() Sciatica is a broad term used to describe nerve-related pain at the back of the leg.
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