Definition/Description. Osgood-Schlatter disease is a traction apophysitis at the level of the tibial tubercle due to repetitive strain on the secondary ossification center of the tibial tuberosity. The repetitive strain is from the strong pull of the quadriceps muscle produced during sporting activities.
Vitamin D deficiency is associated with many conditions, including bone loss, kidney disease, lung disorders, diabetes, stomach and intestine problems, and heart disease. Vitamin D supplementation has been found to help prevent or treat vitamin D deficiency.
There is severe Vitamin D deficiency and a less obvious problem of Low Vitamin D. The problem here is that most people who have Low Vitamin D may be suffering from the severe effects of this problem, but they may not even know it!