Lab 6 AOIs BIOL 319

Summer 2025 Dr. Lee

Iliopsoas (iliacus); Action

Flexion of thigh and medial rotation of femur

Iliopsoas (iliacus); Origin

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

Iliopsoas (iliacus); Insertion

Lesser trochanter of the femur

Psoas major; action

Flexion of thigh and medial rotation of femur

Psoas major; Origin

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

Psoas major; 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 of femur

Adductor longus; Action

Adduction of thigh

Adductor longus; Origin

Body and inferior ramus of pubis

Adductor longus; Insertion

Linea aspera of femur

Adductor brevis; Action

Adduction of thigh

Adductor brevis; Origin

Body and inferior ramus of pubis

Adductor brevis; Insertion

Linea aspera of femur

Pectineus; Action

Adducts, flexes, and medially rotates thigh

Pectineus; Origin

Body and superior ramus of pubis

Pectineus; Insertion

Proximal shaft of femur

Gracilis; Action

Adduction of thigh; flexion of leg

Gracilis; Origin

Inferior ramus

Gracilis; Insertion

Proximal shaft of tibia

Rectus femoris (quadriceps); Action

Extension of leg; Flexion of thigh

Rectus femoris (quadriceps); Origin

Anterior inferior iliac spine

Rectus femoris (quadriceps); Insertion

Patella ad tibial tuberosity

Vastus lateralis (quadriceps); Action

Extension of leg

Vastus lateralis (quadriceps); Origin

Greater trochanter of femur

Vastus lateralis (quadriceps); Insertion

Patella and tibial tuberosity

Vastus medialis (quadriceps); Action

Extension of leg

Vastus medialis (quadriceps); Origin

Intertrochanteric line and linea aspera (femur)

Vastus medialis (quadriceps); Insertion

patella and tibial tuberosity

Vastus intermedius (quadriceps); Action

Extension of leg

Vastus intermedius (quadriceps); Origin

Anterolateral shaft of femur

Vastus intermedius (quadriceps); 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 (ilium)

Gluteus medius; Insertion

Greater trochanter of femur

Gluteus maximus; Action

Extension, lateral rotation, and abduction of thigh

Gluteus maximus; Origin

Ala (ilium), sacrum, coccyx

Biceps femoris (hamstring); Action

Flexion of leg; extension of thigh

Biceps femoris (hamstring); Origin

Ischial tuberosity

Biceps femoris (hamstring); Insertion

Head of fibula

Semitendinosus; Action

Flexion of leg; extension of thigh

Semitendinosus; Origin

Ischial tuberosity

Semitendinosus; Insertion

Proximal shaft of tibia

Semimembranosus; Action

Flexion of leg; 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 shaft of tibia; interosseus membrane

Tibialis anterior; Insertion

Metatarsal I; Medial cuneiform

Extensor digitorum longus; Action

Extension of toes; dorsiflexion and eversion of foot

Extensor digitorum longus; Origin

Lateral condyle shaft of tibia; interosseus membrane

Extensor digitorum longus; Insertion

Distal phalanges II-V

Extensor hallucis; Action

Extension of great toe; dorsiflexion and inversion of foot

Extensor hallucis; Origin

Fibula; interosseus membrane

Extensor hallucis; Insertion

Distal phalynx of the great toe

Fibularis (peroneus) tertius; Action

Dorsiflexion and eversion of foot

Fibularis (peroneus) tertius; Origin

Fibula; 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; Medial cuneiform

Gastrocnemius (medial and lateral head); Action

Plantar flexion of foot; flexion of leg

Gastrocnemius (medial and lateral head); Origin

Medial and lateral condyles of femur

Gastrocnemius (medial and lateral head); Insertion

Calcaneus

Plantaris; Action

Plantar flexion of foot; flexion of leg

Plantaris; Origin

Distal shaft of femur

Plantaris; Insertion

Calcaneus

Soleus; Action

Plantar flexion of foot

Soleus; Origin

Proximal shafts of tibia and fibula

Soleus; Insertion

Calcaneus

Flexor digitorum longus; Action

Plantar flexion and inversion of foot; 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; flexion of great toe

Flexor hallucis longus; Origin

Posterior shaft of fibula; interosseus membrane

Flexor hallucis longus; Insertion

Distal phalanges of great toe