Term
| What type of cartilage covers the acetabulum? |
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Definition
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Term
| Where is the acetabular articular cartilage the thickest? |
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Definition
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Term
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Definition
| Area occupied by ligamentum teres and obturator artery |
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Term
| What is the acetabular labrum composed of? |
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Definition
| Mostly type 1 collagen fiber bundles running parallel to the rim |
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Term
| What are the function of the acetabular labrum? |
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Definition
deepens the acetabulum
reduces contact stress by increasing contact area
provides proprioceptive feedback and enhances joint stability |
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Term
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Definition
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Term
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Definition
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Term
| Closed chain motions at the hip |
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Definition
| deep squatting, stance phase of gait, cycling |
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Term
| Arthrokinematics of Hip Flexion |
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Definition
| Spin with posterior glide of femoral head on the acetabulum |
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Term
| Arthrokinematices of Hip Extension |
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Definition
| Spin with anterior glide of femoral head on acetabulum |
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Term
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Definition
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Term
| Hip ABduction arthrokinematics |
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Definition
| inferior glide of femur on acetabulum |
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Term
|
Definition
IR- 0-40 degrees
ER- 0-45 degrees |
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Term
|
Definition
| posterior glide of femur on acetabulum |
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Term
|
Definition
| anterior glide of femur on acetabulum |
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Term
| Angulation of the femoral head |
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Definition
| anteriorly, superiorly, and medially |
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Term
| Angle of Anteversion or Declination |
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Definition
| The angle the femoral neck makes with the acetabulum |
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Term
| Rotation of the femoral neck |
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Definition
| externally compared to the shaft |
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Term
|
Definition
IR limitation > Flexion & ABduction
*order may vary but this is most common |
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Term
| When is the ligamentum teres most taut? |
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Definition
| With ADduction or distraction |
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Term
| What does the pubofemoral ligament limit? |
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Definition
prevents excessive ABduction
limits extension and lateral rotation |
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Term
| What is the strongest ligament in the body? |
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Definition
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Term
| What does iliofemoral ligament limi? |
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Definition
prevents excessive extension
resists ADduction and lateral rotation |
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Term
| What does the ischiofemoral ligament limit? |
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Definition
| resists ADduction, medial rotation, and extension |
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Term
|
Definition
Iliopsaos
Rectus Femoris
Sartorius |
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Term
|
Definition
Gluteus Maximus
Posterior aspect of Gluteus Medius
Hamstrings |
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Term
|
Definition
Adductor Brevis
Adductor Longus
Adductor Magnus
Pectineus
Gracilis |
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Term
|
Definition
Gluteus Medius
Gluteus Minimus
Tensor Facia Latae |
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Term
|
Definition
Piriformis
Superior/Inferior Gemellus
Obterator Externus/Internus
Sartorius
Quadratus Lumborum |
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Term
|
Definition
Adductor Longus
Adductor Brevis
Adductor Magnus
Anterior part of Gluteus Medius
Anterior part of Gluteus Minimus
Pectineus
Gracilis |
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Term
| What muscle group should counterbalance the iliopsaos? |
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Definition
The abdominals
*weak abdominals will allow anterior pelvic tilt |
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Term
| What is the primary hip extensor? |
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Definition
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Term
| What is the Anlge of Wiberg? |
|
Definition
amount of inferior tilt of the acetabulum
*positive correlation between angle and joint contact area |
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Term
|
Definition
| angle between longitudinal axis of the femoral shaft in the frontal plane |
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Term
| Normal Angle of Inclination |
|
Definition
Male- 125 degrees
Female- 115 degrees |
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Term
|
Definition
Angle of inclination > 125 degrees
promotes dislocation
lengthens limb
= lateral displacement of joint reaction forces
Shortens moment arm of ABductors causing mechanical disadvantage |
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|
Term
| Related Postures of Coxa Valga |
|
Definition
Ipsilateral Genu Varus
Longer Ipsilateral Leg
Posterior Pelvic Rotation |
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Term
| Compensations related to Coxa Valga |
|
Definition
Ipsilateral Pronation
Contralateral Supination
Contralateral Plantarfelxion
Ipsilateral Recurvatum
Ipsilateral ant. pelvic rotation
Contralateral lumbar rotation |
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|
Term
|
Definition
Angle < 125 degrees
increases stability
shortens limb
higher incidence of femoral fractures |
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Term
| Coxa Vara Related Postures |
|
Definition
Ipsilateral Genu Valgus
Shortened Ipsilaterl Leg
Anterior Pelvic Rotation |
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Term
|
Definition
Ipsilateral Supination
Contralaterl Pronation
Ipsilateral Plantarflexion
Contralateral Recurvatum
Ipsilateral Posterior pelvic rotation
Ipsilateral Lumbar rotation |
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Term
|
Definition
| Occurs in transverse plane between the axis through femoral head and neck and an axis throug the distal femoral condyles |
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Term
|
Definition
pathological increase in the angle of anterior torsion
twice as common in females in males
characterized by excessive IR and loss of ER |
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Term
|
Definition
excessive IR of femur
Squinting Patella
Toeing in
Loss of ER of femur |
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Term
|
Definition
pathological decrease in anterior torsion or reversal of torsion
*promotes stability |
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Term
|
Definition
| bone is deposited and reabsorbed in accordance with the stresses placed upon it |
|
|
Term
| Hip closed packed position |
|
Definition
0-15 degrees extension
30 degrees ABduction and IR |
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Term
|
Definition
30 degrees flexion
30 degrees ABduction
0-minimal ER |
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Term
| Does Coxa Vara shorten or lengthe ipsilateral leg? |
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Definition
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Term
| Does Coxa Valga shorten or lengthen ipsilateral leg? |
|
Definition
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