Michael Choe November 1, 2020 Physical Therapy, Rehabilitation, Fitness Hip impingement: hip-targeted exercise versus hip-targeted exercise with trunk stabilization Michael Choe November 1, 2020 Physical Therapy, Rehabilitation, Fitness Femoroacetabular hip impingement (FAI), best described as a pinching anterior hip pain. This article looks at another means of addressing the problem on top of the standard hip strengthening protocol.