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43 Cards in this Set
- Front
- Back
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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 between chewing
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Sternocleidomastoid
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Flexes neck; rotates head
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Platysma
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Pulls corners 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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Flexes 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
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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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Triceps 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
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Gluteus medius
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Abducts thigh; steadies pelvis during walking
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Hamstring muscles
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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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Muscle 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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Synergist
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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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• Direction of the muscle fiber
• Relative size of the muscle • Location of the muscle • Number of origins • Location of the muscle's origin and insertion • Shape of the muscle • Action of the muscle |
