Muscles: Origin, course, insertion Flashcards
sartorius: origin
anterior superior iliac spine
sartorius: insertion
pes anserinus
sartorius: course
posterior to flexion/extension axis of the knee joint
rectus femoris: origin
anterior head: anterior inferior iliac spine
posterior head: acetabular brim
sartorius: action
flexes, laterally rotates hip joint
rectus femoris: insertion
base of patella, blending w/ quadriceps tendon, into tibial tuberosity via ligamentum patellae
rectus femoris: action
flexes hip joint, extends knee joint
vastus lateralis: origin
lateral lip of linea aspera, lateral lip of gluteal tuberosity, anterior and inferior borders of greater trochanter, upper portion of intertrochanteric line
vastus lateralis: insertion
- lateral border of patella, blending w/ quad tendon, into tibial tuberosity
- Gerdy’s tubercle as lateral patellar retinacula
vastus lateralis: action
- extends knee joint
- pulls patella laterally
vastus intermedius: origin
anterior, lateral surfaces of the shaft of the femur
vastus intermedius: insertion
base of patella, blending w/ quad tendon, into tibial tuberosity via ligamentum patellae
vastus medialis: origin
lower portion of intertrochanteric line, spiral line, medial lip of linea aspera, upper medial supracondylar line
vastus medialis: insertion
- medial border of patella, blending w/ quad tendon, tibial tuberosity via ligamentum patellae
- forms medial patellar retinacula, inserts onto tubercle on anterior aspect of medial condyle of tibia
articularis genu: origin
distal aspect of anterior surface of shaft of femur
articularis genu: insertion
capsule of knee joint
articularis genu: course
deep to quadriceps tendon
articularis genu: action
retracts capsule of knee joint during extension
pectineus: origin
pectineal surface of medial portion of superior ramus of pubis
pectineus: insertion
pectineal line on femur
pectineus: action
adducts, flexes hip joint
gracilis: origin
body, inferior ramus of pubis
gracilis: course
posterior to flexion/extension axis of knee joint
gracilis: insertion
pes anserinus
gracilis: action
adducts hip joint, flexes and medially rotates knee joint
adductor longus: origin
body of pubis
adductor longus: insertion
medial lip of linea aspera
adductor longus: action
adducts, flexes hip joint
adductor brevis: origin
inferior ramus of pubis
adductor brevis: insertion
pectineal line and middle lip of linea aspera
adductor brevis: action
adducts, flexes hip joint
