II. Epidemiology
- Occurs most commonly in Adolescent Athletes
III. Pathophysiology
- Unexpected, explosive Muscle Contraction
- Example: "kicking out" at the end of race
- Athletes most often affected: Hurdler, Sprinter
-
Fractures occur at apophyses
- ASIS Avulsion Fracture
- Rapid sartorius Muscle Contraction (e.g. jumping)
- AIIS Avulsion Fracture
- Rapid rectus femoris Muscle Contraction (e.g. kicking)
- Ischial Tuberosity
- Rapid hamstring Muscle Contraction (e.g. sprinting, hurdling)
- ASIS Avulsion Fracture
IV. Symptoms
- Sudden onset of Hip Pain
- Occurs with sudden burst of intensity (e.g. race end)
V. Signs
- Limp may be present
- Provocative maneuvers
- Pain with passive and active muscle Stretching
- Tenderness to palpation
- Specific apophysis sites of tenderness
- Pain over anterior superior iliac spine
- Rapid sartorius contraction in jumping sports
- Sartorius tendon avulsion
- Pain over anterior inferior iliac spine
- Strong rectus femoris contraction in soccer
- Rectus Femoris avulsion
- Pain over Pubic Symphysis
- Adductor Muscle group tendon
- Pain at iliac crest
- Transversus abdominis avulsion
- Pain at ischial tuberosity
- Violent hamstring contractions in sprint or hurdles
- Semitendinosus tendon avulsion
- Biceps femoris tendon avulsion (hamstring Muscle)
- Pain over femoral greater trochanter
- Gluteus medius tendon avulsion
- Gluteus minimus tendon avulsion
- Pain over femoral lesser trochanter
- Iliopsoas tendon avulsion
- Pain over anterior superior iliac spine
VI. Imaging: Hip XRay
- May show avulsed bone fragment
- Contrast with calcified tendon in chronic injury
VII. Management
VIII. References
Images: Related links to external sites (from Bing)
Related Studies
Concepts | Injury or Poisoning (T037) |
SnomedCT | 208183001 |
English | Cls # plvs,ant inf iliiac spn, pelvic fracture ilium closed anterior inferior iliac spine (diagnosis), pelvic fracture ilium closed anterior inferior iliac spine, Closed fracture pelvis, anterior inferior iliac spine, Closed fracture pelvis, anterior inferior iliac spine (disorder) |
Spanish | fractura no expuesta de pelvis, espina ilíaca anteroinferior (trastorno), fractura no expuesta de pelvis, espina ilíaca anteroinferior |
Ontology: Closed fracture pelvis, anterior superior iliac spine (C0435781)
Concepts | Injury or Poisoning (T037) |
SnomedCT | 208182006 |
English | Cls # plvs,ant sup iliac spn, pelvic fracture ilium closed anterior superior iliac spine (diagnosis), pelvic fracture ilium closed anterior superior iliac spine, Closed fracture pelvis, anterior superior iliac spine, Closed fracture pelvis, anterior superior iliac spine (disorder) |
Spanish | fractura no expuesta de pelvis, espina ilíaca anterosuperior (trastorno), fractura no expuesta de pelvis, espina ilíaca anterosuperior |
Ontology: Fracture of ischial tuberosity (C0435794)
Concepts | Injury or Poisoning (T037) |
SnomedCT | 263221003 |
English | Fracture of ischial tuberosity (diagnosis), pelvic fracture ischium tuberosity, Fracture of ischial tuberosity, Fracture of ischial tuberosity (disorder) |
Spanish | fractura de tuberosidad isquiática (trastorno), fractura de tuberosidad isquiática |
Ontology: Closed avulsion fracture of anterior inferior iliac spine of pelvis (C1960515)
Concepts | Injury or Poisoning (T037) |
SnomedCT | 426679004 |
English | Closed avulsion fracture of anterior inferior iliac spine of pelvis (disorder), Closed avulsion fracture pelvis, anterior inferior iliac spine, Closed avulsion fracture of anterior inferior iliac spine of pelvis, pelvic fracture ilium closed anterior inferior iliac spine avulsion (diagnosis), pelvic fracture ilium closed anterior inferior iliac spine avulsion |
Spanish | fractura por avulsión no expuesta de espina ilíaca anteroinferior de la pelvis, fractura por avulsión no expuesta de espina ilíaca anteroinferior, fractura por avulsión no expuesta de espina ilíaca anteroinferior de la pelvis (trastorno) |
Ontology: Closed avulsion fracture of anterior superior iliac spine of pelvis (C1997676)
Concepts | Injury or Poisoning (T037) |
SnomedCT | 428723000 |
English | Closed avulsion fracture of anterior superior iliac spine of pelvis, Closed avulsion fracture of anterior superior iliac spine of pelvis (disorder), Closed avulsion fracture pelvis, anterior superior iliac spine, pelvic fracture ilium closed anterior superior iliac spine avulsion, pelvic fracture ilium closed anterior superior iliac spine avulsion (diagnosis) |
Spanish | fractura no expuesta por avulsión de la espina ilíaca anterosuperior (trastorno), fractura no expuesta por avulsión de la espina ilíaca anterosuperior |