click below
click below
Normal Size Small Size show me how
Hip Joint - PT620
Notes, facts, questions from outline- Summer 2009
Question | Answer |
---|---|
The articular surface of the acetabulum is what shape? | horse-shoe shaped |
The rim of the acetabulum is defective __(1)__. This is called the __(2)__ ______. | 1-anteriorly. 2-acetabular notch. |
The acetabular notch is bridged by what ligament? | Transverse acetabular ligament. |
What part of the femur afticulates with the acetabulum? | the head of the femur |
The head of the femur is covered in what? (except for central area) | hyaline cartilage |
More than _____ of the head is contained within the acetabulum. | 1/2 |
The neck of the femur forms a _____ degree angle with the shaft. | 125 |
The hip is the only true __________ joint. | ball and socket |
The fibrous capsule of the hip is thick. It's reinforced __(1)___ by what? | 1-anteriorly by the iliofemoral ligament. |
What lines almost the entire inner surface of the fibrous capsule of the hip? | synovial membrane. |
What is the labrum? Why is it important? | fibrocartilage attaches to rim of acetabulum. It deepens the joint. |
The labrum continues across the acetabular notch as what? | transverse acetabular ligament. |
What is the shape of the iliofemoral ligament? | "Y" shaped. (upside down) |
Of the following ligaments, which is the largest and strongest? (Ischiofemoral, Pubofemoral, Iliofemoral, or Ligamentum Teres) | Iliofemoral Ligament |
Iliofemoral ligament resists what? | hyperextension. |
What ligament blends with the medial part of iliofemoral ligament? | pubofemoral ligament |
The pubofemoral ligament limits what action? | abduction |
What ligament spirals superior/anteriorly to neck of femur medial to greater trochanter? | ischiofemoral lig. |
What is the real name for the Ligament of the Head of the Femur? | Ligamentum Teres |
Where does the ligamentum teres run? | from the acetabular fossa to fovea of femur. |
Ligamentum teres is surrounded by what? | synovial membrane. |
What travels IN the Ligamentum Teres and to where? | artery...to the head of the femur. (artery is a branch of obturator a.) |
What provides the blood circulation to the head and neck of femur? | branches of medial and lateral femoral circumflex arteries. |
What is the most important blood supply to the head of the femur? | brances of medial and lateral femoral circumflex aa. |
Artery to the head of the femur is a branch of what artery? | Obturator artery |
Fractures of the neck of femur will most likely result in insufficient ______(1)______ to the head of the femur. Thus resulting in ____(2)________. | 1.blood supply 2.avascular necrosis. |
Are the blood supply to neck and head damaged during intertrochanteric fractures? How do they fix them? | No. ORIF with telescoping screw. |
ORIF | Open Reduction Internal Fixation |
The hip joint is supplied by branches or what nerveS? | femoral obturator, sciatic, and superior gluteal nerve. |
Hip pain is sometimes perceived in the _____. Why? | knee.... |