BMS107 Lower Appendicular Muscles Self-Quiz
Lab Lists | Home
  • the contents of the boxes will be hidden until your mouse rolls over them
  • if you do not click on the text, it will disappear when your mouse rolls off
  • if you do click on previously-hidden text, it will stay visible until you click somewhere else
Internet Explorer trouble-shooting tip: If the display does not seem to be working, go to Tools > Internet Options > and Clear History.
Also Refresh your browser window (I hope all this helps!).

MUSCLES THAT MOVE THE THIGH

NAME ORIGIN INSERTION INNERVATION ACTION REMARKS
psoas major vertebrae T12-L5 lesser trochanter nn. L2-L3 flexes & laterally rotates thigh -
iliacus iliac fossa lesser trochanter L2-L3 /
femoral n.		 flexes & laterally rotates thigh -
sartorius anterior superior
iliac spine		 tibial tuberosity L2-L3 /
femoral n.		 flexes & laterally rotates thigh also flexes leg
gracilis pubis tibia (superior/medial) L2-L4 /
obturator n.		 adducts & flexes thigh also flexes leg
adductor longus pubis linea aspera of femur L2-L4 /
obturator n.		 adducts & flexes thigh -
adductor magnus pubis & ischial tuberosity linea aspera & adductor tubercle of femur L2-L4 /
obturator & sciatic nn.		 adducts thigh also flexes, extends, & rotates thigh
tensor fasciae latae iliac crest & anterior superior iliac spine lateral condyle of tibia via iliotibial band L4-S1 /
superior gluteal n.		 abducts & medially rotates thigh -
gluteus maximus iliac crest, sacrum, coccyx iliotibial tract; gluteal tuberosity & linea aspera L5-S2 /
inferior gluteal n.		 extends & laterally rotates thigh -
gluteus medius ilium greater trochanter L4-S1 /
superior gluteal n.		 abducts & medially rotates thigh -
piriformis sacrum greater trochanter S1-S2
(ventral rami)		 laterally rotates thigh also abducts thigh
superior gemellus / obturator internus / inferior gemellus ischial spine & tuberosity, etc. greater trochanter nn. L5-S2 rotate thigh laterally -
quadratus femoris ischial tuberosity intertrochanteric crest nn. L4-S1 adducts & laterally rotates thigh -

MUSCLES THAT MOVE THE LEG

NAME ORIGIN INSERTION INNERVATION ACTION REMARKS
rectus femoris anterior inferior
iliac spine		 tibial tuberosity via
quadriceps tendon / patellar ligament		 L2-L4 / femoral n. extends leg
& flexes thigh		 part of quadriceps femoris
(prime mover of leg extension)
vastus lateralis greater trochanter
& linea aspera		 tibial tuberosity via
quadriceps tendon / patellar ligament		 L2-L4 / femoral n. extends leg part of quadriceps femoris
(prime mover of leg extension)
vastus medialis intertrochanteric line
& linea aspera		 tibial tuberosity via
quadriceps tendon / patellar ligament		 L2-L4 / femoral n. extends leg part of quadriceps femoris
(prime mover of leg extension)
vastus intermedius femur
(anterolateral shaft)		 tibial tuberosity via
quadriceps tendon / patellar ligament		 L2-L4 / femoral n. extends leg part of quadriceps femoris
(prime mover of leg extension)
biceps femoris ischial tuberosity
& linea aspera		 head of fibula L4-S1 / sciatic n. flexes leg & extends thigh (long head only) lateral component of "hamstrings"
semitendinosus ischial tuberosity proximal medial tibia L4-S1 / sciatic n. flexes leg & extends thigh one of two medial "hamstrings" muscles
semimembranosus ischial tuberosity medial condyle of tibia L4-S1 / sciatic n. flexes leg & extends thigh one of two medial "hamstrings" muscles

MUSCLES THAT MOVE THE ANKLE, FOOT & TOES

NAME ORIGIN INSERTION INNERVATION ACTION REMARKS
tibialis anterior lateral condyle & shaft of tibia metatarsal I & medial cuneiform L4-S1 /
deep fibular n.		 dorsiflexes & inverts foot -
extensor hallucis longus anterior fibula distal phalanx I L4-S1 /
deep fibular n.		 extends great toe &
dorsiflexes foot		 hallux = great toe
extensor digitorum longus lateral condyle of tibia, fibula distal phalanges II-V L4-S1 /
deep fibular n.		 extends toes &
dorsiflexes foot		 -
fibularis longus head & superior shaft of fibula, lateral condyle of tibia metatarsal I & medial cuneiform L5-S2 /
superficial fibular n.		 everts & plantarflexes foot -
gastrocnemius medial & lateral condyles of femur calcaneus via calcaneal tendon L4-S1 / tibial n. plantarflexes foot,
flexes leg		 part of "triceps surae"
soleus head & shaft of fibula, tibia calcaneus via calcaneal tendon L4-S1 / tibial n. plantarflexes foot part of "triceps surae"
tibialis posterior fibula & tibia navicular, cuboid, all cuneiforms, & metatarsals II-IV L5-S1 / tibial n. plantarflexes & inverts foot -
flexor digitorum longus posteromedial tibia distal phalanges II-V L5-S1 / tibial n. flexes interphalangeal joints, plantarflexes foot -
flexor hallucis longus posterior fibula distal phalanx I L5-S1 / tibial n. flexes interphalangeal joints, plantarflexes foot hallux = great toe
Lab Lists | Home