If you have hip femoroacetabular impingement (FAI), then you understand how painful and debilitating the condition can be. Your hip pain from FAI can prevent you from enjoying your normal work or recreational activities. There are two types of FAI: pincer or cam impingement. Both cause pain by compressing the side of the hip joint and the hip labrum, the small band of cartilage that courses around the hip socket. Many patients who have hip FAI present with certain impairments