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55 Cards in this Set
- Front
- Back
Frontalis
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Raises eyebrows
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Orbicularis oculi
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Blinks and closes eyes
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Orbicularis oris
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Closes and protrudes lips
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Temporalis
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Closes jaw
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Zygomaticus
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Raises corner of mouth
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Masseter
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Closes jaw
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Buccinator
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Compresses cheek as in whistling and sucking; holds food between teeth during chewing
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Sternocleidomastoid
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Flexes neck; rotates head
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Platysma
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Pulls corner of mouth inferiorly
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Pectoralis major
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Adducts and flexes humerus
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Rectus abdominis
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Flexed vertebral column
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External oblique
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Flexes and rotates vertebral column
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Biceps brachii
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Flexes elbow and supinates forearm
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Brachialis
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Flexes elbow
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Deltoid
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Abducts arm
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Iliopsoas
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Flexes hip
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Adductor muscles
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Adduct thigh
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Sartorius
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Flexes thigh on hip
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Quadriceps group (vastus, medialis, intermedius, and lateralis; and the rectus femoris)
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All extend knee; rectus femoris also flexes hip on thigh
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Tibialis anterior
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Dorsiflexes and inverts foot
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Extensor digitorum longus
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Extends toes and dorsiflexes foot
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Fibularis muscles
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Plantar flex and evert foot
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Trapezius
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Extends neck and adducts scapula
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Latissimus dorsi
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Extends and adducts humerus
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Erector spinae*
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Extends back
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Quadratus lumborum
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Flexes spine laterally; extends spine
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Deltoid
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Abducts humerus
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Tricep brachii
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Extends elbow
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Flexor carpi radialis
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Flexes wrist and abducts hand
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Flexor carpi ulnaris
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flexes wrist and adducts hand
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Flexor digitorum superficialis
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Flexes wrist and fingers
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Extensor carpi radialis
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Extends wrist and abducts hand
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Extensor digitorum
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Extends fingers and wrist
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Gluteus maximus
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Extends hip (when forceful extension is required)
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Gluteus medius
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Abducts thigh; steadies pelvis during walking
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Gluteus medius
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Abducts thigh; steadies pelvis during walking
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Hamstring muscles (semitendinosus, semimembranosus, biceps femoris)
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Flex knee and extend hip
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Gluteus medius
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Abducts thigh; steadies pelvis during walking
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Hamstring muscles (semitendinosus, semimembranosus, biceps femoris)
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Flex knee and extend hip
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Gastrocnemius
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Plantar flexes foot and flexes knee
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Gluteus medius
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Abducts thigh; steadies pelvis during walking
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Hamstring muscles (semitendinosus, semimembranosus, biceps femoris)
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Flex knee and extend hip
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Gastrocnemius
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Plantar flexes foot and flexes knee
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Soleus
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Plantar flexes foot
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Prime mover
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Muscles whose contractions are primarily responsible for a particular movement; agonist
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Prime mover
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Muscles whose contractions are primarily responsible for a particular movement; agonist
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Antagonist
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Muscles that act in opposition to an agonist or prime mover
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Prime mover
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Muscles whose contractions are primarily responsible for a particular movement; agonist
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Antagonist
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Muscles that act in opposition to an agonist or prime mover
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Synergists
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Muscles cooperating with another muscle or muscle group to produce a desired movement
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Prime mover
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Muscles whose contractions are primarily responsible for a particular movement; agonist
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Antagonist
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Muscles that act in opposition to an agonist or prime mover
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Synergists
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Muscles cooperating with another muscle or muscle group to produce a desired movement
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Fixator
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Muscles acting to immobilize a joint or a bone; fixes the origin of a muscle so that muscle action can be exerted at the insertion
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7 ways to name muscles
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1) direction of the muscle fibers
2) relative size of the muscle 3) location of the muscle 4) number of origins 5) location of the muscle's origin and insertion 6) shape of the muscle 7) action of the muscle |