4. Medial Thigh Muscles (hip adductors) Flashcards
Names of the hip adductor muscles
Pectineus Adductor Longus Adductor Brevis Adductor Magnus (adductor and hamstring parts) Gracilis
Pectineus origin + insertion
origin
- pectineal line and adjacent bone
insertion
- posterior proximal femur (from base of lesser trochanter to linea aspera)
Pectineus Action
hip adduction
some flexion
Pectineus innervation
femoral nerve
Adductor Longus origin + insertion
origin
- superior ramus of pubis
insertion
- linea aspera on mid 1/3 of femur
Adductor Longus action
hip adduction
Adductor Longus innervation
obturator nerve
Aductor Brevis origin + insertion
origin
- lateral to pubic symphysis on pubis and inferior ramus of pubis
insertion
- posterior proximal femur and proximal 1/3 of linea aspera
Adductor Brevis action
hip adduction
Adductor Brevis innervation
obturator nerve
Adductor Magnus (adductor part) origin + insertion
origin
- ischial ramus
- inferior pubic ramus
insertion
- posterior proximal femur
- linea aspera
- medial supracondylar line
Adductor Magnus (adductor part) action
hip adduction and flexion
Adductor Magnus (adductor part) innervation
obturator nerve
Adductor Magnus (hamstring part) origin + insertion
origin
- ischial tuberosity
insertion
- adductor tubercle
- medial supracondylar line
Adductor Magnus (hamstring part) action
hip adduction and extension
Adductor Magnus (hamstring part) innervation
sciatic nerve
similar to the hamstring muscle group
Gracilis origin + insertion
origin
- lateral to pubic symphysis on pubis
insertion
- medial surface of proximal shaft of tibia
gracilis action
hip adduction
knee flexion
Gracilis innervation
obturator nerve
Muscles of this group innervated by the obturator nerve?
adductor longus
adductor brevis
adductor magnus (adductor part)
gracilis
