Chapter 1: Functional Anatomy and Biomechanics - Hip Region

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Author:
dmshaw9
ID:
297899
Filename:
Chapter 1: Functional Anatomy and Biomechanics - Hip Region
Updated:
2015-03-08 19:15:53
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Hip Region
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NPTE,Chapter1
Description:
NPTE: Chapter 1
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  1. Coxa Valga and Vara
    • Normal angle of femoral inclination = 115-125 degrees
    • Coxa valga > 125 degrees
    • Coxa vara < 115 degrees
  2. Anteversion and Retroversion
    • Femoral neck normally angles anteriorly 10-15 degrees from frontal plane to form anterior antetorsion angle
    • Anteversion: excessive if ant antetorsion angle > 25-30 degrees
    • Retroversion: excessive if ant antetorsio angle < 10 degrees
  3. Iliofemoral Ligament
    • "Y Ligament/Ligament of Bigelow"
    • 2 bands starting from AIIS
    • Medial goes to distal intertrochanteric line
    • Lateral goes to proximal intertrochanteric line
    • Very strong
    • Taught with extension (sup taught with add, inf taught with abd)
  4. Pubofemoral Ligament
    • Iliopectineal eminence, sup rami of pubis, obturator crest & obturator membrane (lat blending with capsule) --> distal intertrochanteric line
    • Taught with ext, ER and abd
  5. Ischiofemoral Ligament
    • Ischium & post acetabulum (sup and lat - binds with zona articularis) --> greater trochanter
    • Taught with IR, abd and ext
  6. Zona Orbicularis
    • Runs in circular pattern around femoral neck
    • No bony attachments
    • Helps hold head of femur in acetabulum
  7. Inguinal Ligament
    • 12-14 cm long
    • ASIS --> pubic tubercle
    • Forms tunnel for muscles, arteries, nerves and veins
  8. Subtendinous Iliac Bursa
    Between hip and os pubis
  9. Iliopectineal Bursa
    • Between tendons of psoas major, iliacus, and capsule
    • Lies close to femoral nerve
  10. Ischiofemoral Bursa
    • Between ischial tuberosity and glut max
    • May cause pain in sciatic distribution¬†
  11. Deep Trochanteric Bursa
    • Between glut max and post lat greater trochaner
    • May cause pain with hip flex and IR due to compression of glut max
  12. Superficial Trochanteric Bursa
    Located over greater trochanter
  13. Hip Innervation
    • Femoral
    • Obturator
    • Sciatic
    • Sup Gluteal Nerves
  14. Hip Blood Supply
    • Med and lat femoral circumflex --> prox femur
    • Small branch of obturator a --> femoral head
    • Branches from sup and inf gluteal arteries --> acetabulum

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