
Anterior Inferior Iliac Spine Avulsion (AIIS) - Orthobullets
May 11, 2025 · An anterior inferior iliac spine (AIIS) avulsion is an apophyseal avulsion injury seen in adolescent athletes as a result of eccentric contraction of the rectus femoris. Diagnosis …
Anterior Inferior Iliac Spine Avulsion - StatPearls - NCBI Bookshelf
Apr 20, 2024 · Anterior inferior iliac spine (AIIS) injuries are a distinctive and clinically significant subset of pelvic injuries. The AIIS is a bony prominence at the ilium's anterior border and …
Anterior Inferior Iliac Spine (AIIS) and Subspine Hip Impingement
Jun 3, 2016 · Abnormal morphology of the anterior inferior iliac spine (AIIS) and the subspine region of the acetabular rim are increasingly being recognised as a source of symptomatic …
Anterior inferior iliac spine avulsion injury
Nov 26, 2024 · Anterior inferior iliac spine (AIIS) avulsion injuries are one of the six main types of pelvic apophyseal avulsion fractures. Subacute or chronic avulsion injuries can be mistaken …
Anterior inferior iliac spine - Wikipedia
The anterior inferior iliac spine (AIIS) is a bony eminence on the anterior border of the hip bone, or, more precisely, the wing of the ilium.
OrthoKids - Pelvic Avulsion Fractures
Anterior inferior iliac spine (AIIS) (Fig. 5): Avulsion of rectus femoris caused by rapid contraction of quadriceps muscles flexing the hip and extending the knee, as in kicking a ball in soccer or …
Anterior Inferior Iliac Spine Fracture Guide
An anterior inferior iliac spine (AIIS) avulsion fracture occurs when the tendon or ligament attached to the AIIS, a bony prominence at the front of the hip bone, forcefully pulls away a …
The anterior inferior iliac spine (AIIS) is the bony attachment of part of one of the quadriceps (thigh) muscles, the rectus femoris. The quadriceps are important in bending the hip and …
Fracture, Avulsion: ASIS, AIIS, Ischial Tuberosity, Iliac Crest
Dec 4, 2023 · AIIS: Pain with passive extension and active flexion of hip; also pain with passive knee flexion and active knee extension
Anterior inferior iliac spine: Location and function - Kenhub
Apr 16, 2024 · The anterior inferior iliac spine (AIIS) is a rough bony projection on anterior border of the ilium of the hip, inferior to the anterior superior iliac spine and immediately above the …