Lab 6 AOI's

Iliopsoas Action

flexion of thigh

Iliopsoas Origin

iliac fossa, ala of sacrum, vertebrae T12-L5

Iliopsoas Insertion

lesser trochanter of femur

Sartorius Action

flexion of thigh and lateral rotation of femur

Sartorius Origin

anterior superior iliac spine

Sartorius Insertion

proximal shaft of tibia

Adductor Magnus Action

adduction and extension of thigh

Adductor Magnus Origin

Pubis and Ischium

Adductor Magnus Insertion

Gluteal tuberosity and linea aspera

Obturator Externus Action

lateral rotation of thigh

Obturator Externus Origin

inferior edge of obturator foramen

Obturator Externus Insertion

Greater trochanter of femur

Adductor Longus and Brevis Action

adduction of thigh

Adductor Longus and Brevis Origin

body and inferior ramus of pubis

Adductor Longus and Brevis Insertion

Linea aspera

Pectineus Action

adducts, flexes, and medially rotates thigh

Pectineus Origin

body and ramus of pubis

Pectineus Insertion

proximal shaft of femur

Gracilis Action

adduction of thigh and flexion of leg

Gracilis Origin

Body and ramus of pubis

Gracilis Insertion

proximal shaft of tibia

Rectus Femoris Action

extension of leg and flexion of thigh

Rectus Femoris Origin

Anterior inferior iliac spine

Rectus Femoris Insertion

Patella and tibial tuberosity

Vastus Lateralis Action

extension of leg

Vastus Lateralis Origin

Greater trochanter

Vastus Lateralis Insertion

Patella and tibial tuberosity

Vastus Medialis Action

extension of leg

Vastus Medialis Origin

intertrochanteric line and linea aspera

Vastus Medialis Insertion

Patella and tibial tuberosity

Vastus Intermedius Action

extension of leg

Vastus Intermedius Origin

shaft of femur

Vastus Intermedius Insertion

Patella and tibial tuberosity

Tensor Fasciae Latae Action

flexion, abduction, and medial rotation of thigh

Tensor Fasciae Latae Origin

Anterior superior iliac spine

Tensor Fasciae Latae Insertion

Iliotibial tract

Gluteus Medius Action

abduction of thigh

Gluteus Medius Origin

Ala of ilium

Gluteus Medius Insertion

Greater trochanter

Gluteus Maximum Action

extension, lateral rotation, and abduction of thigh

Gluteus Maximum Origin

Ala of ilium, sacrum, coccyx

Gluteus Maximum Insertion

Gluteal tuberosity

Bicep Femoris Action

flexion of leg and extension of thigh

Bicep Femoris Origin

Ischial tuberosity

Bicep Femoris Insertion

head of fibula

Semitendinosus Action

flexion of leg and extension of thigh

Semitendinosus Origin

Ischial tuberosity

Semitendinosus Insertion

proximal shaft of tibia

Semimembranosus Action

flexion of leg and extension of thigh

Semimembranosus Origin

Ischial tuberosity

Semimembranosus Insertion

Medial condyle of tibia

Tibialis Anterior Action

Dorsiflexes and inverts foot

Tibialis Anterior Origin

Lateral condyle of tibia and interosseus membrane

Tibialis Anterior Insertion

Metatarsal I and medial cuneiform

Extensor digitorum longus action

extension of toes II-V, dorsiflexion and eversion of foot

Extensor digitorum longus origin

Lateral condyle of tibia and interosseus membrane

Extensor digitorum longus insertion

distal phalanges II-V

Extensor hallucis longus action

extension of great toe, dorsiflexion and inversion of foot

Extensor hallucis longus origin

fibula and interosseus membrane

Extensor hallucis longus insertion

distal phalanx of great toe

Fibularis (peroneus) tertius action

dorsiflexion and eversion of the foot

Fibularis (peroneus) tertius origin

fibula and interosseus membrane

Fibularis (peroneus) tertius insertion

metatarsal V

Fibularis (peroneus) brevis action

plantar flexion and eversion of foot

Fibularis (peroneus) brevis origin

distal shaft of fibula

Fibularis (peroneus) brevis insertion

metatarsal V

Fibularis (peroneus) longus action

plantar flexion and eversion of foot

Fibularis (peroneus) longus origin

proximal shaft of fibula

Fibularis (peroneus) longus insertion

metatarsal I and medial cuneiform

Gastrocnemius Action

plantar flexion of foot and flexion of leg

Gastrocnemius Origin

medial and lateral condyle of femur

Gastrocnemius Insertion

calcaneus

Plantaris Action

plantar flexion of foot and flexion of leg

Plantaris Origin

distal shaft of femur

Plantaris Insertion

calcaneus

Soleus Action

Plantar flexion of foot

Soleus Origin

proximal shaft of tibia and fibula

Soleus Insertion

calcaneus

Flexor digitorum longus action

plantar flexion and inversion of foot and flexion of toes II-V

Flexor digitorum longus origin

mid-shaft of tibia

Flexor digitorum longus insertion

distal phalanges II-V

Flexor hallucis longus action

plantar flexion and inversion of foot and flexion of great toe

Flexor hallucis longus origin

shaft of fibula and interosseus membrane

Flexor hallucis longus insertion

distal phalange of great toe