Final practical muscle insertions Flashcards
Pectineus Origin
Superior ramus of the pubis
Pectineus Insertion
Pectineal line of the femur just inferior to the lesser trochanter
Pectineus action
Adducts & flexes the thigh
Adductor Longus Origin
Body of the pubis inferior to pubic crest
Adductor Longus Insertion
Middle third of the linea aspera of the femur
Adductor longus action
adducts thigh
Adductor Magnus Origin
Adductor part: inferior ramus of pubis and ischial ramus
Hamstring part: ischial tuberosity
Adductor Magnus Insertion
Adductor part: gluteal tuberosity; linea aspera; medial supracondylar line
Hamstring part: adductor tubercle of femur
Adductor magnus action
Adducts thigh
Adductor part flexes thigh
Hamstring part extends thigh
Gracilis origin
body and inferior ramus of the pubis
Gracilis insertion
pes anserine
Gracilis action
adducts thigh
flexes leg
helps to IR the leg
Sartorius origin
ASIS; superior part of notch inferior to it
Sartorius insertion
Pes anserine
Sartorius action
flexes, abducts, ER thigh
flexes, IR leg
Psoas major origin
Sides of T12-L5 vertebrae and discs
Transverse processes of all lumbar vertebrae
Psoas major insertion
lesser trochanter of femur
psoas major action
flexes thigh at the hip joint
stabilize the hip
Iliacus origin
iliac crest, iliac fossa, ala of sacrum, anterior sacroiliac ligaments
Iliacus insertion
tendon of psoas major
lesser trochanter
Iliacus action
flex the thigh
ER
stabilize the hip joint
Quadratus lumborum origin
Medial half of inferior border of 12th rib
Tips of lumbar transverse processes
Quadratus lumborum insertion
iliolumbar ligaments
Internal lip of iliac crest