Ca is the major mineral in bone, and 99% of the Ca in the body resides in the skeleton. Skeletal mass is a determinant of risk of fracture in childhood as well as adulthood. Over 40% of adult peak bone mass is acquired during adolescence. This period is when lifestyle choices, including ensuring adequate dietary Ca, regular weight-bearing exercise and avoiding hormonal insufficiency, are especi...

A 64-year-old marathon runner presented to our clinic with a history of worsening pain in her left knee. Following magnetic resonance imaging, the diagnosis of subchondral insufficiency fracture of the knee (SIFK) was made. A course of conservative management via bisphosphonates was initiated. The patient successfully recovered and returned to full athletic function, having recently returned to...