Thigh/Hip Flashcards
(37 cards)
Attachment of labrum
Along acetabular rim except inferiorly
Function of labrum
- Deepens socket
- Increases femoral head coverage
- can be torn (cause of hip pain)
Attachment of transverse acetabular ligament
Anteroinferior to posteroinferior acetabulum
Function of transverse acetabular ligament
Covers cotyloid notch in inferior central acetabulum
Attachment of ligamentum teres
Fovea (femoral head) to cotyloid notch
Ligamentum teres contains…
…small artery to femoral head
Attachment of superior iliofemoral ligament
ASIS/ilium to greater trochanter
Attachment of inferior iliofemoral ligament
Ilium to intertrochanteric line/LT
Function of iliofemoral ligament
- Provides strong anterior support
- Resists extension
Attachment of pubofemoral ligament
Anterior pubic ramus to intertroch. line
Function of pubofemoral ligament
- Prevents hyperextension of hip
- Inferior joint support
Attachment of ischiofemoral ligament
Posterior acetabulum to superior femoral neck
Function of ischiofemoral ligament
- Minimal posterior support
- broad, relatively weak ligament
Ligaments of hip capsule
- Iliofemoral (2 bands)
- Pubofemoral
- Ischiofemoral
O/I of Sartorius
ASIS/Prox. med. tibia (Pes anserinus)
Sartorius innervation
Femoral
Sartorius action
Flex, ER hip
Muscles of the Quadriceps
- Rectus femoris
- Vastus lateralis
- Vastus intermedius
- Vastus medialis
Origin of Rectus femoris
AIIS and Superior acetabular rim
Insertion of Rectus femoris
Patella/tibial tubercle
Rectus femoris action
Flex thigh, extend leg
Quadriceps innervation
Femoral nerve
O/I Vastus lateralis
O: Gtr. tochanter, lat. linea aspera
I: lat. patella/tibia tubercle
O/I Vastus intermedius
O: Prox. femoral shaft
I: Patella/tibia tubercle