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Sciatica
is usually a symptom of a structural problem in the lower back, where
the sciatic nerve is compressed or trapped. This causes great pain, affecting
the buttocks and rear of the thighs and often travels or 'shoots' down
the back of the leg, sometimes reaching as far down as the feet. In some
cases muscle weakness, numbness and a tingling sensation is also experienced.
There
are many causes of sciatica, including slipped disc, infection, inflammation
of the sciatic nerve, or after a minor injury from overexertion
or poor posture.
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