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14 terms

Muscles of hip, thigh and leg

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biceps femoris
hip flexor, deep in pelvis; a composite of two muscles
Gluteus Maximus
used to extend the hip while climbing stairs
gastrocnemius
"toe dancer's" muscle; a two-bellied muscle of the calf
tibialis anterior
inverts and dorsiflexes the foot
adductors
muscle group that allows you to draw your legs to the midline of your body, as when standing at attention
vastus intermedius, vastus lateralis, vastus medialis
muscle group that extends the knee
semimembranosus, semitendinosus
muscle group that extends the thigh and flexes the knee
Gluteus medius
smaller hip muscle commonly used as an injection site.
peroneus muscles
muscle group of the lateral leg; plantar flex and evert the foot.
sartorius
strap-like muscle that is weak thigh flexor; the "tailor's muscle
prime mover
muscle responsible for a particular body movement; agonist
antagonist
postural muscles for the most part; reverses and/or opposes the action of a prime mover.
fixator
stabilizes a joint so that the prime mover can act at more distal joints; immobilizes the origin of a prime mover
synergist
muscles that assist the action of the agonist; performs the same movements as the prime mover