Test 2 - Muscles of Leg Flashcards
Iliopsoas
From spine to femur
Flex trunk on thigh
Flex thigh
Side to side movement of spine
Sartorius
Long strap from pelvis to knee
Flexes, abducts and rotates thigh
Flexes knee
Adductors
From coccyx to femur
Adduct and medially rotate thigh
Flex thigh
Gracilis
From pelvis to knee down medial side
Adducts thigh
Flexes and rotates whole leg
Quadriceps femoris
Includes: Rectus femoris Vastus lateralis Vastus medialis Vastus intermedius Tensor fascia latae
Rectus femoris
Big flat feather-like muscle that runs from lateral side of hip to patella
Extends knee and flexes thigh at hip
Vastus lateralis
Beneath rectus femoris
From head of femur to patella
Most lateral of vastus muscles
Extends and stabilizes knee
Vastus medialis
Beneath rectus femoris
From head of femur to patella
Most medial of vastus muscles
Extends knee
Vastus intermedius
Beneath rectus femoris
From head of femur to patella
Middle vastus muscle
Extends knee
Tensor fascia latae
From pelvis to knee down lateral side
Flexes, abducts thigh
Steadies trunk
Gluetus maximus
Butt muscle - wraps from center to outside of knee
Thigh extensor
Gluteus medius
Butt muscle - straight down from pelvis to knee
Underneath maximus
Abducts and rotates thigh
Gluteus minimus
Small deep butt muscle
Abducts and rotates thigh
Hamstrings
Includes:
Biceps femoris
Semitendinosus
Semimembranosus
Biceps femoris
Flat feather-like muscle of back of leg
More lateral than other hamstrings muscles
Extends thigh
Flexes knee
Semitendinosus
Middle hamstring
Skinnier than others
Extends thigh
Flexes knee
Semimembranosus
Medial hamstring muscle
Extends thigh
Flexes knee
Fibularis longus
Lateral side of lower leg
From head of fibula to ankle
Plantar flexes and everts foot
Stabilizes foot against ground
Fibularis brevis
Lateral side of lower leg
Below longus, near ankle
Plantar flexes and everts foot
Tibialis anterior
Lateral side of front of lower leg
Dorsiflexion of foot
Extensor digitorum longus
Lateral side of lower leg
Skinny muscle between fibularis longus and tibialis anterior
Toe extension
Fibularis tertius
From ankle to top of foot
Lateral side of foot
Dorsiflexion of foot
Extensor hallucis longus
From ankle to top of foot
Beneath fibularis tertius
Extends big toe
Tibialis posterior
Back of lower leg
Foot inversion
Flexor digitorum longus
Posterior, medial muscle of lower leg
From halfway down tibia to toes
Flexes toes
Plantar flexes foot
