Mavis Rode, a doctor of physical therapy and professor of kinesiology for dancers at Loyola Marymount University, explains that snapping hip is classified as either intra-articular (inside the hip joint), which is commonly caused by a tear of the labrum or loose pieces of bone or cartilage, or extra-articular (outside the joint), which is caused by the snapping of a tendon over a bony prominence.
Source: Dance Magazine
How to Recognize and Treat Snapping Hip Syndrome
