Stress fractures commonly develop in people who have just dramatically increased their level of physical activity. So to prevent them, go slowly. Experts recommend that you never increase your exercise intensity by more than 10% per week. Make sure to warm up and stretch for a few minutes before exercising. Take frequent breaks to give your body a rest. And if you feel pain during exercise, stop. Don't push through it. High impact sports and work activities increase the risk for stress fractures.
Also, using good exercise equipment can help prevent stress fractures. Don't wear worn out running shoes. People who have fallen arches or other anatomical problems may benefit from custom inserts or arch supports in their shoes.
A hip (acetabular) labral tear is damage to cartilage and tissue in the hip socket. In some cases, it causes no symptoms. In others it causes pain in the groin. It can make you feel like your leg is "catching" or "clicking" in the socket as you move it. Over time, labral tears in the hip may cause permanent damage to the joint.
The labrum is a band of tough cartilage and connective tissue that lines the rim of the hip socket, or acetabulum. It cushions the joint of the hip bone, preventing the bones...
American Academy of Orthopedic Surgeons web site: "Stress Fractures."
Micheli, L. and Jenkins, M. The Sports Medicine Bible, 1995.
Sanderlin, B. American Family Physician, 2003; vol 68: pp 1527-32.