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.
If you have a pain in your lower back near the buttocks and that pain travels down a leg, then chances are you have sciatica. Sciatica is a common lower back pain that doctors treat frequently. The pain is often characterized by feeling akin to a toothache, a combination of dull and sharp aches that create a feeling of pins and needles. Pins and needles are the most common pain experienced with nerves.