20 Questions
Which bones form each innominate bone of the pelvis?
Ilium, ischium, and pubis
Where do the innominate bones articulate with each other?
At the pubic symphysis
What is the shape of the femur designed for?
Bearing body weight and transmitting ground reaction forces
Where is the acetabulum located?
In the lateral aspect of the pelvis
What deepens the acetabulum?
The acetabular labrum
Which ligament is located posteriorly to reinforce the hip joint capsule?
Ischiofemoral ligament
What type of joint is the hip joint?
Ball and socket joint
What is the loose-packed position of the hip joint?
30 degrees flexion, 30 degrees abduction, & slight external rotation
What is the closed-packed position of the hip joint?
Extension with slight adduction and internal rotation
What are the two planes commonly used to consider the femoral neck?
Frontal and transverse
Which factor enhances stability in the hip joint?
Atmospheric pressure
Which factor compromises stability in the hip joint?
Capsoligamentous compromise
Which injury is characterized by avascular necrosis of the proximal femoral epiphysis?
Legg-Calve-Perthes Disease
Which injury commonly occurs as a result of a violent contraction or tractioning of the attaching muscle?
Avulsion Fracture
Which injury is characterized by chronic irritation and excess secretion of synovial fluid within the hip joint capsule?
Chronic Synovitis
Which injury is characterized by pain, swelling, and ecchymosis in the iliac crest?
Hip Pointer
Which injury is a common complication following hip dislocations, fractures, and chronic synovitis?
Avascular Necrosis of the Femoral Head
Which injury results from overstretching or from a rapid, forceful contraction of the muscle?
Hip Joint Strains
Which factor is not listed as a stability issue in the hip joint?
Acetabular labrum
Which injury is less common and is caused by excessive forcible exertion of the extremity that stretches or tears the surrounding ligaments?
Hip Joint Sprain
Test your knowledge of bony structures with this quiz on the pelvis and femur. Learn about the formation of the innominate bone and its articulation with the sacrum. Explore the design of the femur and its role in weight-bearing and force transmission.
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