On average among OECD countries, there are about 14 students. per teacher at the secondary level (Table D2.2). As the differences in student-teacher ratios indicate, there are fewer full-time equivalent students per full-. time equivalent teachers at the secondary level than at the primary level of education.
Causes of Lower Back Pain. Home/Conditions/Causes of Lower Back Pain. Pain in the lower back has a multitude of causes. The discs, facets, pars interarticularis, sacroiliac joints, hip joints and nerves can all cause a form of lower back pain.
How Hip muscles can be cause of hip, knee or foot pain! How tight hip muscles can cause problems in low back, hips or knees and how you can fix them! We mentioned in last monthâs introduction at www.medicalgymleesburg.com that we would be discussing how our hips can be the âquietâ cause of our low back pain, or even knee or foot pain.