Category: Tendon injuries

Healthy tendons are remarkably low in fat, with their dry mass consisting primarily of collagen and non-collagenous proteins. However, the question, "is there fat in the tendon?" has a nuanced answer that distinguishes between normal surrounding adipose tissue and problematic internal infiltration.

Recent studies have reported that a significant percentage of patients with rotator cuff tears, as high as 44.3% in some populations, also have a vitamin D deficiency. This emerging data begs the crucial question: can vitamin D deficiency cause rotator cuff tear, or is it merely a correlated risk factor?