Muscle Function (Definitions) Flashcards
(41 cards)
Flex/Flexion
bend or become bent
Rotate
move in a circle around an axis
Compress
flatten, squeeze or press
Lateral
move away from center line of body
Extend/Extension-
straighten out
Retract/Retraction
to draw back towards body
Adduct
move toward center line of body
Adductor longus
rotate thigh laterally, flexes thigh, draws thigh toward body
Sartorius
bends lower leg at knee, bends and rotates thigh at hip
Quadriceps femoris
flexes thigh at hips, extends leg at knee
Tibialis anterior
flexes foot toward knee
Gastrocnemius
extend foot away from knee, bends lower leg at knee
Hamstring group
draws thigh backward, bends knee
Gluteus maximus
extends and rotates thigh when walking or climbing
Biceps femoris
knee flexion, internal and external rotation, hip extension
Soleus
pushing off ground while walking
Extensor digitorum longus
extend foot at ankle, extend four smaller toes
Gluteus medius
rotation of thigh outward from center of body
Pectineus
flexing and adducting thigh
Rectus femoris
extend or raise knee, flex thigh
Semitendinosus
flex knee, extend hip
External oblique
lateral twisting of body, compress abdomen
Iliopsoas
flex hip, stabilize hip and lower back
Rectus abdominis
compress abdomen and chest, bend backbone
