How to charge a battery. An average car battery has a capacity of around 48 amp hours which means that, fully charged, it delivers 1 amp for 48 hours, 2 amps for 24 hours, 8 amps for 6 hours and so on.
This occurs when one of the soft, gel-filled discs between the vertebrae of the spine bulges or ruptures, compressing and/or irritating the sciatic nerve. Another common cause of sciatica is muscle spasm that compresses the sciatic nerve as it travels through the muscles.
Weak Piriformis Muscle Can Cause Back Pain, Sciatica. The piriformis muscle deep in the buttocks has gotten a lot of attention as a possible back pain and sciatica cause. The muscle stretches from the top of the femur to the sacrum on each side of the body and helps secure the upper thigh in the hip joint.