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.
A new University of Saskatchewan (USask) study has found that exercise performance and blood and muscle oxygen levels are not affected for healthy individuals wearing a face mask during strenuous workouts.