Rotation of the Sacrum forward a few degrees in relation to the Ilia.
Anterior movement of the sacrum around a transverse axis relative to the hip bones.
Nutation (L. nodding)
Rotation of the Sacrum back a few degrees in relation to the Ilia.
Posterior movement of the sacrum around a transverse axis relative to the hip bones.
This ligament stabilizes against nutation and also counteracts the dorsal and cranial migration of the sacral apex during weight bearing.
The _____ muscle is an internal rotator and abductor of the hip if the joint is flexed beyond 90°.
The components of the self-locking mechanism are ...
Neurological systems, myofascial systems, and gravity. (NOT muscles)
Where the joint occupies or attains its most congruent position.
AKA Close pack position
The hip articulation is formed between the _____ and the _____.
Head of the femur and acetabulum of the pelvic bone.
There are _____ plane motions in the hip joint. They are _____.
3, Sagittal, Frontal, and Transverse
The most common areas in the hip for avulsion fractures are?
ASIS, AIIS, and Ischial Tuberosity
(NOT PSIS, PIIS, Iliac tubercle, Iliac tuberosity)