Biol 319 Lab 6 AOI

illiopsoas (iliacus and psoas major) A:

flexion of the thigh and medial rotation of the femur

illiopsoas (iliacus and psoas major) O:

iliac fossa, ala of sacrum and vertebrae (T12-L5)

illiopsoas (iliacus and psoas major) I:

lesser trochanter (femur)

Sartorius A:

flexion of thigh and lateral rotation of the femur

Sartorius O:

anterior superior iliac spine

Sartorius I:

proximal shaft of tibia

Adductor magnus A:

adduction and extension of the thigh

Adductor magnus O:

pubis and ischium

Adductor magnus I:

gluteal tuberosity and linea aspera (femur)

Adductor longus & brevis A:

adduction of thigh

Adductor longus & brevis O:

body and inferior ramus (pubis)

Adductor longus & brevis I:

linea aspera

Pectineus A:

adducts, flexes and medially rotates thigh

Pectineus O:

body and superior pubis

Pectineus I:

proximal shaft of femur

Gracilis A:

adduction of thigh; flexion of leg

Gracilis O:

body and superior ramus (pubis)

Gracilis I:

proximal shaft of tibia

Rectus femoris A:

extension of the leg; flexion of the thigh

Rectus femoris O:

anterior inferior iliac spine

Rectus femoris I:

patella and tibial tuberosity

vastus lateralis A:

extension of leg

vastus lateralis O:

greater trochanter (femur)

vastus lateralis I:

patella and tibial tuberosity

Vastus medialis A:

extension of leg

Vastus medialis O:

interochanteric line and linea aspera (femur)

Vastus medialis I:

patella and tibial tuberosity

vastus intermedius A:

extension of leg

vastus intermedius O:

anterolateral shaft of femur

vastus intermedius I:

patella and tibial tuberosity

tensor fasciae latae A:

flexion, abduction and medial rotation of thigh

tensor fasciae latae O:

anterior superior iliac spine

tensor fasciae latae I:

iliotibial tract

gluteus medius A:

abduction of thigh

gluteus medius O:

Ala (ilium)

gluteus medius I:

greater trochanter (femur)

Gluteus maximus A:

extension, lateral rotation and abduction of thigh

Gluteus maximus O:

Ala (ilium); sacrum; coccyx

Gluteus maximus I:

gluteal tuberosity (femur)

Biceps femoris (hamstrings) A:

flexion of leg; extension of thigh

Biceps femoris (hamstrings) O:

ischial tuberosity

Biceps femoris (hamstrings) I:

head of fibula

Semitendinosus A

flexion of leg; extension of thigh

Semitendinosus O

ischial tuberosity

Semitendinosus I

proximal shaft of tibia

Semimembranosus A

flexion of leg; extension of thigh

Semimembranosus O

ischial tuberosity

Semimembranosus I

medial condyle (tibia)

Tibialis anterior A

dorsiflexes and inverts foot

Tibialis anterior O

lateral condyle shaft (tibia); interosseous membrane

Tibialis anterior I

metatarsal I; medial cuneiform

extensor digitorum longus A

Extension of toes; dorsiflexion and eversion of foot

extensor digitorum longus O

lateral condyle shaft (tibia); interosseous membrane

extensor digitorum longus I

distal phalanges II-V

extensor hallucis longus A

Extension of toes; dorsiflexion and inversion of the foot

extensor hallucis longus O

fibula; interosseous membrane

extensor hallucis longus I

distal phalanx of great toe

Fibularis (peroneus) tertius A

dorsiflexion and eversion of the foot

Fibularis (peroneus) tertius O

fibula; interosseous membrane

Fibularis (peroneus) tertius I

metatarsal V

Fibularis (peroneus) brevis A

plantar flexion and eversion of the foot

Fibularis (peroneus) brevis O

distal shaft of fibula

Fibularis (peroneus) brevis I

metatarsal V

fibularis (peroneus) longus A

plantar flexion and eversion of the foot

fibularis (peroneus) longus O

proximal shaft of fibula

fibularis (peroneus) longus I

metatarsal I and medial cuneiform

Gastrocnemius (medial and lateral head) A

plantar flexion and flexion of leg

Gastrocnemius (medial and lateral head) O

medial and lateral condyles (femur)

Gastrocnemius (medial and lateral head) I

calcaneus

Plantaris A

Plantar flexion of food; flexion of leg

Plantaris O

distal shaft of femur

Plantaris I

calcaneus

soleus A

plantar flexion of foot

soleus O

proximal shafts of tibia and fibula

soleus I

calcaneus

flexor digitorum longus A

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

flexor digitorum longus O

Mid-shaft of tibia

flexor digitorum longus I

distal phalanges II-V

flexor hallucis longus A

plantar flexion and inversion of the foot; flexion of the great toe

flexor hallucis longus O

posterior shaft of fibula; interosseous membrane

flexor hallucis longus I

distal phalange of great toe