United States: Alaska; Subnational exclaves. Exclaves of administrative divisions below the national level. Many of the cantons of Switzerland have exclaves: Bern has two small exclaves, MÃ¼nchenwiler and Clavaleyres; the first is entirely surrounded by Fribourg, the second by Fribourg and Vaud's exclave.
If you had femoroacetabular impingement, symptoms might include: 1  intermittent groin or hip pain. 2  pain that spreads to the thigh, buttock or lower back. 3  pain that typically develops gradually (can be sudden if it follows an injury)  pain that intensifies with specific 1  movements. sharp, catching or locking hip pain.  giving way or buckling of the hip.
Since the recognition of femoroacetabular impingement (FAI) as a common cause of hip pain, arthroscopy has evolved from an operation infrequently performed in the embryonic stages of development to an indispensable tool for treatment of FAI and many other intra- and extra-articular disorders.