Movement Lecture 1 - Pelvis and hip joint Flashcards
What are the names of the three joints in the pelvis?
Pubic symphysis
Left and right sacroiliac
What structure in the pelvis is in the same coronal plane as the pubic tubercle?
Anterior superior iliac spine
What is the name of the bone formed by the fusion of the ilium, ischium and pubis?
Innominate bone
Which part of the pelvis holds the head of the femur?
Acetabulum
What is the name of the crescent shaped articular surface of the acetabulum?
Lunate surface
What bridges the acetabular notch?
Transverse acetabular ligament
What deepens the articular surface of the acetabulum?
Labrum
Which is the strongest ligament of the hip joint and where is it located relative to the joint?
Iliofemoral, located superoanteriorly
What is the function of the iliofemoral ligament?
Prevents hyperextension and limits rotation of the hip joint
Where is the pubofemoral ligament located relative to the hip joint and what is its function?
Inferoanteriorly and limits abduction of the thigh
What is the weakest ligament of the hip joint and where is it located relative to the joint?
Ischiofemoral and posterior
What is the function of the ischiofemoral ligament?
Prevents hyperextension and stabilises joint
What is the name given for a pelvic fracture in which the pubic symphysis opens up and is forced apart?
Open book fracture
In which direction does the hip most commonly dislocate?
Posterior dislocation
Which nerve may be damaged by posterior dislocation of the hip?
Sciatic nerve
