It is still unproven as to why the moth is driven to light â but the best hypothesis is that the moth navigates by lunar light. In the absence of moonlight, the moth moves to the next best thing: man-made light. Even at the risk of loosing its life, the moth is ever-vigilant in following its path of light.
The piriformis is a muscle found deep inside the buttocks. It connects the lower spine to the upper thighbone and runs directly over the sciatic nerve. If this muscle goes into spasm, it can put pressure on the sciatic nerve, triggering symptoms of sciatica. Piriformis syndrome is more common in women.t connects the lower spine to the upper thighbone and runs directly over the sciatic nerve. If this muscle goes into spasm, it can put pressure on the sciatic nerve, triggering symptoms of sciatica. Piriformis syndrome is more common in women.
Did you know the sciatic nerve is the largest nerve in the body? This is the nerve that nurses and doctors are trained to avoid when giving an intramuscular injection to a patient in the buttocks. Injury to the sciatic nerve is called sciatica, or neuropathy of the sciatic nerve.he sciatic nerve provides control to the muscles in the back of the knee and to the lower leg. It also provides sensation and/or feelings behind the lower thigh, parts of the leg and the sole of the foot.