Muscle OIA - Leg Flashcards
Sartorius
O: Anterior Superior iliac spine
I: medial tibia
A:
- flexes
- laterally rotates & abducts thigh
- flexes leg
Tensor Fasciae latae
O: Anterior superior iliac spine
I: iliotibial tract
A: flexes, ABducts, medially rotates thigh, extends leg
iliopsoas (2 components)
Psoas Major
Illiacus
Psoas Major
(part of iliopsoas)
O: body, transverse processes and discs of T12 and L 1-5
I: Lesser Trochanter
A: flexes thigh
iliacus
O: iliac fossa and ala
I: lesser trochanter
A: flexes thigh
Quadriceps Femoris (4 parts)
Rectus Femoris
Vastus Lateralis
Vastus medialis
Vastus Intermedius
O - different
I - quad tendon to patella to tibial tuberosity
A - Extends leg (RF extends thigh)
Rectus Femoris
Part of quadriceps femoris
O: anterior inferior iliac spine
I: quad. tendon to patella to tibial tuberosity
A: extends leg and flexes thigh
Vastus Lateralis
part of quadriceps femoris
O: greater trochanter, intertrochanteric line, linea aspera
I: quad tendon to patella to tibial tuberosity
A: extends leg
Vastus intermedius
part of quadriceps femoris
O: Linea aspera and intertrochanteric line
I: quad tendon to patella to tibial tuberosity
A: extends leg
vastus medialis
part of quadriceps femoris
O: proximal shaft of femur
I: quad. tendon to patella to tibial tuberosity
A: extends leg
Pectineus
O: pectineal line of pubis
I: pectineal line of femur
A: flexes, ADDucts, medially rotates thigh
Gracilis
O: body and inferior ramus of pubis
I: Tibia
A:
Thigh -ADDucts and medially rotates flexed thigh
Leg - flexes and medially rotates leg
ADDuctor Longus
O: body of pubis
I: linea aspera
A: adducts, flexes, and medially rotates thigh
ADDuctor Brevis
O: body and inferior ramus of pubis
I: linea aspera
A: adducts and medially rotates thigh
ADDuctor magnus
O: ishcial tuberosity and ramus, inferior pubic ramus
I: linea aspera and adductor tubercle (only thing connected to add tub.)
A: adducts and medially rotates and flexes thigh
Tibialis anterior
O: lateral condyle, shaft of tibia, io membrane
I: medial cuneiform and 1st metatarsal
A: dorsiflexion and inversion
Extensor hallucis longus
O: fibula and io membrane
I: distal phallanx of hallux
A: extends hallux and dorsiflexion
Fibularis tertius
think: tertle is us on the pink toe
O: fibula and io membrane
I: 5th metatarsal
A:dorsi flexion, eversion
Superior Extensor Retinaculum (location not oia)
Inferior extensor retinaculum
