Hip Joint Flashcards
Name and classify
Synovial ball and socket
Bones
Coral bone - acetabulum, ilium, ischium, pubis
Head of the femur
Cartilage
Hyaline cartilage - friction free movement and shock absorbing
Additional features
Bursae - reduces friction
Labrum - deepens the acetabulum and improves joint stability
Fat pad
Capsule
Attaches to articulate margins, acetabulum to intertrochanteric line
Synovial membrane
Lines the capsule
Secretes synovial fluid - lubricates, removes waste and provides nutrients for cartilage
Ligaments
Iliofemoral
Pubofemoral
Ischiofemoral
Ligamentum teres
Degrees of freedom
Three
Movements
Flexion
Extension
Abduction
Adduction
Medial rotation
Lateral rotation
Blood supply
Lateral and medial circumflex arteries
Nerve supply
Branch of femoral, sciatic and obturator nerves
Muscles - extensors
Gluteus maximum
Biceps femoris
Semitendinosus
Semimembranosus
Muscles - flexors
Psoas major
Iliacus
Rectus femoris
Sartorius
Pectineus
Adductor longus
Adductor brevis
Gracilis
Muscles - adductors
Pectineus
Adductor brevis
Adductor longus
Adductor Magnus
Gracilis
Muscles - abductors
Gluteus maximum
Gluteus medius
Gluteus minimus
Piriformis