Lower Body- Muscle Actions Flashcards
(50 cards)
Action of the psoas major
flexes the thigh; flexes
laterally bends the lumbar vertebral column
Action of the adductor longus
adducts, flexes, and medially rotates the femur
Action of the flexor digitorum brevis
flexes the metatarsophalangeal & proximal interphalangeal joints of digits 2-5
Action of vastus lateralis
extends the leg
action of the adductor minimus
adducts and laterally rotates the femur
Action of the flexor digitorum longus
flexes the metatarsophalangeal, proximal interphalangeal and distal interphalangeal joints of digits 2-5; plantar flexes the foot
Action of the extensor hallucis brevis
extends the great toe
Action of adductor brevis
adducts, flexes, and medially rotates the femur
Action of vastus intermedius
extends the leg
Action of the pectineus
adducts, flexes, and medially rotates the thigh
Action of the fibularis (peroneus) tertius
everts the foot
Action of semimembranosus
extends the thigh, flexes the leg
Action of the inferior gemellus
lateral rotation of the femur
action of the biceps femoris
extends the thigh, flexes the leg, lateral rotation of knee
Action of the iliacus
flexes the thigh
Action of the popliteus
flexes and rotates the leg medially
Action of the abductor hallucis
abducts the great toe; flexes the metatarsophalageal joint
Action of the quadratus femoris
laterally rotates the thigh
Action of the obturator externus
laterally rotates the thigh
Action of the gluteus medius
abducts the femur; medially rotates the thigh
Action of the lumbricals (foot)
flexes the metatarsophalangeal joint
extends the proximal interphalangeal & distal interphalangeal joints of digits 2-5
Action of the iliopsoas
flexes the thigh
Action of the gastrocnemius
flexes leg; plantar flexes foot
Action of the fibularis (peroneus) longus
extends (plantar flexes) and everts the foot
