A kneecap becomes dislocated when the patella bone, which sits at the front of the knee, comes out of position. In the process, the connective tissues that hold the bone in place may stretch and tear.
Transient osteoporosis of the hip is a condition that occurs for unknown reasons. The condition is characterized by a spontaneous onset of hip pain associated with x-ray signs of osteoporosis and MRI evidence of bone inflammation.
People with common muscle and joint injuries should skip opioids and instead reach for over-the-counter pain relievers, new treatment guidelines suggest.
What to know about tightness in the knee
The study led by Imperial College London found that flexibility, as well as density, in the bone nanostructure is an important factor in assessing how likely someone is to suffer fractures.