lab six: myology - superficial and deep dorsal and ventral hind limb Flashcards
anterior and medial hip muscles
iliopsoas (iliacus and psoas major) and sartorius
action of iliopsoas (iliacus and psoas major)
flexion of thigh and lateral rotation of femur
origin of iliopsoas (iliacus and psoas major)
iliac fossa, ala of sacrum and vertebrae (T12-L5)
insertion of iliopsoas (iliacus and psoas major)
lesser trochanter (femur)
action of sartorius
flexion of thigh and lateral rotation of femur
origin of sartorius
anterior superior iliac spine
insertion of sartorius
proximal shaft of tibia
medial thigh muscles
adductor magnus, adductor longus and brevis, pectineus, and gracilis
action of adductor magnus
adduction and extension of thigh
origin of adductor magnus
pubis and ischium
insertion of adductor magnus
gluteal tuberosity and linea aspera (femur)
action of adductor longus and brevis
adduction of thigh
origin of adductor longus and brevis
body and inferior ramus (pubis)
insertion of adductor longus and brevis
linea aspera
action of pectineus
adducts, flexes, and medially rotates thigh
origin of pectineus
body and superior ramus (pubis)
insertion of pectineus
proximal shaft of femur
action of gracilis
adduction of thigh; flexion of leg
origin of gracilis
body and inferior ramus (pubis)
insertion of gracilis
proximal shaft of tibia
anterior thigh muscles
rectus femoris (quadriceps), vastus lateralis (quadriceps), vastus medialis (quadriceps), vastus intermedius (quadriceps), tensor fasciae latae
action of rectus femoris (quadriceps)
extension of leg; flexion of thigh
origin of rectus femoris (quadriceps)
anterior inferior iliac spine
insertion of rectus femoris (quadriceps)
patella and tibial tuberosity
action of vastus lateralis (quadriceps)
extension of leg
origin of vastus lateralis (quadriceps)
greater trochanter (femur)
insertion of vastus lateralis (quadriceps)
patella and tibial tuberosity
action of vastus medialis (quadriceps)
extension of leg
origin of vastus medialis (quadriceps)
intertrochanteric line and linea aspera (femur)
insertion of vastus medialis (quadriceps)
patella and tibial tuberosity
action of vastus intermedius (quadriceps)
extension of leg
origin of vastus intermedius (quadriceps)
anterolateral shaft of femur
insertion of vastus intermedius (quadriceps)
patella and tibial tuberosity
action of tensor fasciae latae
flexion, abduction, and medial rotation of thigh
origin of tensor fasciae latae
anterior superior iliac spine
insertion of tensor fasciae latae
iliotibial tract
gluteal muscles
gluteus medius and gluteus maximus
action of gluteus medius
abduction of thigh
origin of gluteus medius
ala (ilium)
insertion of gluteus medius
greater trochanter (femur)
action of gluteus maximus
extension, lateral rotation, and abduction of thigh
origin of gluteus maximus
ala (ilium); sacrum; coccyx
insertion of gluteus maximus
gluteal tuberosity (femur)
posterior thigh muscles
biceps femoris (hamstrings), semitendinosus, semimembranosus
action of biceps femoris (hamstrings)
flexion of leg; extension of thigh
origin of biceps femoris (hamstrings)
ischial tuberosity
insertion of biceps femoris (hamstrings)
head of fibula
action of semitendinosus
flexion of leg; extension of thigh
origin of semitendinosus
ischial tuberosity
insertion of semitendinosus
proximal shaft of tibia
action of semimembranosus
flexion of leg; extension of thigh
origin of semimembranosus
ischial tuberosity
insertion of semimembranosus
medial condyle (tibia)
anterior lower leg muscles
tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis (peroneus) tertius
action of tibialis anterior
dorsiflexes and inverts foots
origin of tibialis anterior
lateral condyle (tibia); interosseous membrane
insertion of tibialis anterior
metatarsal I; medial cuneiform
action of extensor digitorum longus
extension of toes 2-5; dorsiflexion and eversion of foot
origin of extensor digitorum longus
lateral condyle (tibia); interosseous membrane
insertion of extensor digitorum longus
distal phalanges II-V
action of extensor hallucis longus
extension of great toe; dorsiflexion and inversion of foot
origin of extensor hallucis longus
fibula; interosseous membrane
insertion of extensor hallucis longus
distal phalange of the great toe
action of fibularis (peroneus) tertius
dorsiflexion and eversion of the foot
origin of fibularis (peroneus) tertius
fibula; interosseous membrane
insertion of fibularis (peroneus) tertius
metatarsal V
lateral lower leg muscles
fibularis (peroneus) brevis and fibularis (peroneus) longus
action of fibularis (peroneus) brevis
plantar flexion and eversion of foot
origin of fibularis (peroneus) brevis
distal shaft of fibula
insertion of fibularis (peroneus) brevis
metatarsal V
action of fibularis (peroneus) longus
plantar flexion and eversion of foot
origin of fibularis (peroneus) longus
proximal shaft of fibula
insertion of fibularis (peroneus) longus
metatarsal I; medial cuneiform
posterior superficial lower leg muscles
gastrocnemius (medial and lateral head), plantaris, soleus
action of gastrocnemius (medial and lateral head)
plantar flexion of foot; flexion of leg
origin of gastrocnemius (medial and lateral head)
medial and lateral condyles (femur)
insertion of gastrocnemius (medial and lateral head)
calcaneus
action of plantaris
plantar flexion of foot; flexion of leg
origin of plantaris
distal shaft of femur
insertion of plantaris
calcaneus
action of soleus
plantar flexion of foot
origin of soleus
proximal shafts of tibia and fibula
insertion of soleus
calcaneus
posterior deep lower leg muscles
flexor digitorum longus and flexor hallucis longus
action of flexor digitorum longus
plantar flexion and inversion of foot; flexion of toes II-V
origin of flexor digitorum longus
mid-shaft of tibia
insertion of flexor digitorum longus
distal phalanges II-V
action of flexor hallucis longus
plantar flexion and inversion of foot; flexion of great toe
origin of flexor hallucis longus
posterior shaft of fibula; interosseous membrane
insertion of flexor hallucis longus
distal phalange of great toe