General Hip Anatomy
Joint consists of articulation between the head of the femur and the acetabulum
Acetabulum
o formed from three bones
ilium
ischium
pubis
Ball-and-socket type of joint which can move
...
General Hip Anatomy
Joint consists of articulation between the head of the femur and the acetabulum
Acetabulum
o formed from three bones
ilium
ischium
pubis
Ball-and-socket type of joint which can move in all planes
o Flexion/Extension
o Abduction/Adduction
o Medial/lateral rotation (internal/external)
High level of stability created by:
o bony architecture
o acetabular labrum and hip capsule which deepen the socket
Labrum is a soft cartilage that surround the acetabulum. It protects the
joint surface and deepens the joint to provide more stability
o Musculature and ligaments
High level of similarity to shoulder joint
o Ball and socket joint
o Can move in all planes
o Hip joint is significantly more stable than the shoulder joint due to deeper socket
and supporting ligaments, and musculature
https://www.britannica.com/science/hip
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Hip Ligaments
Ligamentum teres
o Intracapsular ligament that surrounds the foveal artery
Iliofemoral ligament
o Strongest of the ligaments
o Prevents hyperextension of the hip
o Y shape in appearance and originates at the anterior inferior iliac spine and inserts
at intertrochanter line of the femur
Pubofemoral ligament
o Triangular in shape between superior pubic rami and intertrochanter line of the
femur
o Prevents excessive abduction and extension
Ischiofemoral ligament
o Between ischium and the greater trochanter of the femur
o Prevents hyperextension and holds the femoral head in the acetabulum
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