Lab 6: superficial and deep dorsal and ventral hind limb

anterior and medial hip

iliopsoas (iliacus and psoas major), sartorius

ACTION: iliopsoas (iliacus and psoas major)

flexion of the thigh

ORIGIN: iliopsoas (iliacus and psoas major)

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

INSERTION: iliopsoas (iliacus and psoas major)

lesser trochanter (femur)

ACTION: sartorius

flexion of thigh and lateral rotation of femur

ORIGIN: sartorius

anterior superior iliac spine

INSERTION: sartorius

proximal shaft of tibia 

medial thigh

adductor magnus, obturator externus, adductor longus and brevis, pectineus, gracilis

ACTION: adductor magnus

adduction and extension of thigh

ORIGIN: adductor magnus

pubis and ischium

INSERTION: adductor magnus

gluteal tuberosity and linea aspera (femur)

ACTION: obturator externus

lateral rotation of thigh

ORIGIN: obturator externus

inferior edge of the obturator foramen

INSERTION: obturator externus

greater trochanter of the femur

ACTION: adductor longus and brevis

adduction of thigh 

ORIGIN: adductor longus and brevis

body and inferior ramus (pubis)

INSERTION: adductor longus and brevis

linea aspera

ACTION: pectineus

adducts, flexes, and medially rotates thigh

ORIGIN: pectineus

body and ramus of the pubis

INSERTION: pectineus

proximal shaft of femur

ACTION: gracilis

adduction of thigh, flexion of leg 

ORIGIN: gracilis

body and ramus of the pubis

INSERTION: gracilis

proximal shaft of tibia

anterior thigh

rectus femoris (quadriceps), vastus lateralis (quadriceps), vastus intermedius (quadriceps), tensor fasciae latae 

ACTION: rectus femoris (quadriceps)

extension of leg, flexion of leg 

ORIGIN: rectus femoris (quadriceps)

anterior inferior iliac spine

INSERTION: rectus femoris (quadriceps)

patella and tibial tuberosity

ACTION: vastus lateralis (quadriceps)

extension of leg

ORIGIN: vastus lateralis (quadriceps)

greater trochanter (femur)

INSERTION: vastus lateralis (quadriceps)

patella and tibial tuberosity

ACTION: vastus medialis (quadriceps)

extension of leg

ORIGIN: vastus medialis (quadriceps)

intertrochanteric line and linea aspera (femur)

INSERTION: vastus medialis (quadriceps)

patella and tibial tuberosity

ACTION: vastus intermedius (quadriceps)

extension of leg

ORIGIN: vastus intermedius (quadriceps)

anterolateral shaft of femur

INSERTION: vastus intermedius (quadriceps)

patella and tibial tuberosity

ACTION: tensor fasciae latae 

flexion, abduction, and medial rotation of thigh

ORIGIN: tensor fasciae latae 

anterior superior iliac spine 

INSERTION: tensor fasciae latae 

iliotibial tract

gluteus muscles

gluteus medius and gluteus maximus

ACTION: gluteus medius

abduction of the thigh

ORIGIN: gluteus medius

ala (ilium)

INSERTION: gluteus medius

greater trochanter (femur)

ACTION: gluteus maximus

extension, lateral rotation, and abduction of thigh

ORIGIN: gluteus maximus

ala (ilium), sacrum, coccyx 

INSERTION: gluteus maximus

gluteal tuberosity (femur) 

posterior thigh

biceps femoris (hamstrings), semitendinosus, semimembranosus

ACTION: biceps femoris (hamstrings)

flexion of leg, extension of thigh

ORIGIN: biceps femoris (hamstrings)

ischial tuberosity

INSERTION: biceps femoris (hamstrings)

head of fibula

ACTION: semitendinosus

flexion of leg, extension of leg

ORIGIN: semitendinosus

ischial tuberosity

INSERTION: semitendinosus

proximal shaft of tibia 

ACTION: semimembranosus

flexion of leg, extension of thigh 

ORIGIN: semimembranosus

ischial tuberosity

INSERTION: semimembranosus

medial condyle (tibia)

anterior lower leg

tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis (peroneus) tertius 

ACTION: tibialis anterior

dorsiflexes and inverts foot 

ORIGIN: tibialis anterior

lateral condyle shaft (tibula), interosseous membrane

INSERTION: tibialis anterior

metatarsal 1, medial cuneiform

ACTION: extensor digitorum longus

extension of toes 2-5, dorsiflexion and eversion of the foot

ORIGIN: extensor digitorum longus

lateral condyle shaft (tibula), interosseous membrane

INSERTION: extensor digitorum longus

distal phalanges 2-5

ACTION: extensor hallucis longus

extension of big toe, dorsiflexion and inversion of foot 

ORIGIN: extensor hallucis longus

fibula, interosseous membrane

INSERTION: extensor hallucis longus

distal phalanx of the big toe

ACTION: fibularis (peroneus) tertius 

dorsiflexion and eversion of the foot

ORIGIN: fibularis (peroneus) tertius 

fibula, interosseous membrane

INSERTION: fibularis (peroneus) tertius 

metatarsal 5

lateral lower leg

fibularis (peroneus) brevis and fibularis (peroneus) longus

ACTION: fibularis (peroneus) brevis

plantar flexion and eversion of foot

ORIGIN: fibularis (peroneus) brevis

distal shaft of fibula

INSERTION: fibularis (peroneus) brevis

metatarsal 5

ACTION: fibularis (peroneus) longus

plantar flexion of foot and eversion of foot

ORIGIN: fibularis (peroneus) longus

proximal shaft of fibula

INSERTION: fibularis (peroneus) longus

metatarsal 1, medial cuneiform 

posterior superficial lower leg

gastrocnemius (medial and lateral head), plantaris, soleus 

ACTION: gastrocnemius (medial and lateral head)

plantar flexion of foot, flexion of leg

ORIGIN: gastrocnemius (medial and lateral head)

medial and lateral condyles (femur) 

INSERTION: gastrocnemius (medial and lateral head)

calcaneus 

ACTION: plantaris

plantar flexion of the foot, flexion of the leg

ORIGIN: plantaris

distal shaft of the femur

INSERTION: plantaris

calcaneus

ACTION: soleus

plantar flexion of foot

ORIGIN: soleus

proximal shafts of tibia and fibula

INSERTION: soleus

calcaneus

posterior deep lower leg

flexor digitorum longus and flexor hallucis longus

ACTION: flexor digitorum longus

plantar flexion and inversion of foot, flexion of toes 2-5

ORIGIN: flexor digitorum longus

mid-shaft of tibia

INSERTION: flexor digitorum longus

distal phalanges 2-5

ACTION: flexor hallucis longus

plantar flexion and inversion of foot, flexion of big toe

ORIGIN: flexor hallucis longus

posterior shaft of fibula, interosseous membrane 

INSERTION: flexor hallucis longus

distal phalange of big toe