In this article, we'll look at the parts of the ISS, how it maintains a permanent environment for humans in space, how it's powered, what it's like to live and work on the ISS, and how, exactly, we'll use the ISS. First, we'll start with its parts and assembly. Launch Video Space Station Parts. Launch Video.
This is a large nerve that runs from the lower back down the back of each leg. When something injures or puts pressure on the sciatic nerve, it can cause pain in the lower back that spreads to the hip, buttocks, and leg. Up to 90% of people recover from sciatica without surgery.
Related Videos: Causes of Lower Back Pain Video. Chronic pain in the lower back may be caused by the discs or the joints of the spine. Lower Back Strain Video. Lower back strain is caused by damage to the muscles and ligaments of the back. Learn about muscle anatomy and the symptoms of lower back strain.elated Videos: Causes of Lower Back Pain Video. Chronic pain in the lower back may be caused by the discs or the joints of the spine. Lower Back Strain Video. Lower back strain is caused by damage to the muscles and ligaments of the back. Learn about muscle anatomy and the symptoms of lower back strain.