Hip

• Pelvic girdle connects trunk to lower extremities
• 3 bones in hip joint:

  • 2x Innominate
  • Sacrum
• 3 joints in hip:

  • 2x sacroiliac join
  • Diarthrosis - gliding joint
  • Pubic symphysis
  • Amphiarthrosis - only moves slightly
• Movements at the hip:

  • Flexion
  • Extension
  • Abduction
  • Adduction
  • Internal rotation
  • External rotation
  • Circumduction
• 3 parts of innominate

  A) Pubis

  B) Ischium

  C) Ilium

  
• Anterior landmarks

  A) Anterior Superior Iliac Spine

  B) Anterior Inferior Iliac Spine

  
• Posterior landmarks

  A) Posterior Superior Iliac Spine

  B) Posterior Inferior Iliac Spine

  C) Acetabulum

  D) Ischial Tuberosity

  E) Iliac Crest

  
• Acetabulum forms deep cup for head of femur
• Hip joint is a ball and socket joint
• Labrum deepens cup of acetabulum
• Transverse Acetabular Ligament

  • prevents inferior displacement

  
• Ligamentum Teres

  
• Iliofemoral Ligament

  
• Pubofemoral Ligament

  
• Ischiofemoral Ligament

  
• 2 Iliopsoas muscles:

  • Psoas Major
  • Iliacus
• Psoas Major

  
• Iliacus

  
• Pectineus

  
• Rectus Femoris (biarticular)

  
• Sartorius (biarticular)

  
• 3 muscles of the hamstrings:

  • Biceps Femoris
  • Semimembranosus
  • Semitendinosus
• Biceps Femoris (biarticular)

  
• Semimembranosus (biarticular)

  
• Semitendinosus (biarticular)

  
• Gluteus Maximus

  
• 6 deep external rotators

  
• Adductor Brevis

  
• Adductor Longus

  
• Adductor Magnus

  
• Gracilis (biarticular)

  
• Gluteus Medius

  
• Gluteus Minimus

  
• Tensor Fasciae Latae (TFL)