MSK S8 Flashcards
What are/muscles does the obturator nerve innervate?
Medial AAA GO Adductor longus, brevis and magnus Gracilis Obturator externus
What area/muscles does the femoral nerve innervate?
The anterior compartment: PIP Q TS
But not psoas major or tensor fascia lata
Pectineus
Iliacus
Quadratus femoris- rectus femoris, vastus medialis, lateralis and intermedius
What are the main actions of the gluteal thigh muscles?
Which ones break the rules?
Extension (g.max), lateral rotation and abduction.
Break rule:
What type pf joint is the hip joint?
Ball and socket, synovial type
What is the acetabular labrum?
It is a fibrous collar around the acetabulum which increases its depth. The increased depth provides a large articular surface, thus improving the stability of the joint.
What is the transverse acetabular ligament
It is a ligament which branches the transverse acetabular notch
What is an example of an intra capsular ligament? Where does it run to and from?
Ligament of head of femur
Acetabular fossa to fovea of femur
What is the fovea of femur?
A depression in the head of the femur
Where does the iliofemoral ligament protect the hip joint?
Anteriorly and superiorly
Where does the pubofemoral ligament protect the hip joint?
Anteriorly and inferiorly
Where does the ishiofemoral ligament protect the hip joint?
Posteriorly
What are the two examples of the accessory ligaments of the hip joint?
Transverse acetabular ligament and the ligament of the head of femur
What nerves is the hip joint innervated by?
Femoral, obturator, superior gluteal and nerve to quadratus femoris
What is special about the ligament of the head of femur?
It has its own arterial supply
What is the acetabulum?
The point where the hip cones converge
