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ANATOMY AND PHYSIOLOGY 1
Muscle Function/Location
68
Anatomy
Not Applicable
04/22/2013
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Term
FRONTALIS
 Definition
-raises eyebrows
-wrinkles forehead
Term
OCCIPITALIS
 Definition
-pulls scalp posteriorly
Term
TEMPORALIS
 Definition
-elevates mandible
-chewing
Term
MASSETER
 Definition
-elevates mandible
-chewing
Term
BUCCINATOR
 Definition
-compressing cheeks
-whistling
Term
ZYGOMATICUS
 Definition
-pulls up on corners of mouth
-smiling
Term
DEPRESSOR ANGULI ORIS
 Definition
-pulls down on corners of the mouth
-frowning
Term
ORBICULARIS ORIS
 Definition
-puckering
-kissing
Term
ORBICULARIS OCULI
 Definition
-closing eye
Term
RISORIUS
 Definition
-pulls corners laterally
-tenses mouth
Term
MENTALIS
 Definition
-wrinkles chin
-pouting
Term
STERNOGLEIDOMASTOID
 Definition
-flex neck using both
-turning head
Term
DIGASTRIC
 Definition
-raises hyoid bone
-swallowing
Term
MYLOHYOID
 Definition
-raises hyoid bone
-swallowing
Term
STERNOHYOID
 Definition
-lowers hyoid bone
Term
OMOHYOID
 Definition
-depresses the hyoid bone
Term
PECTORALIS MAJOR
 Definition
-flexes arm
Term
DELTOID
 Definition
-ABDUCTION of arm
-away from midline
Term
PECTORALIS MINOR
 Definition
-protraction of scapula
Term
SERRATUS ANTERIOR
 Definition
-protraction of scapula
Term
EXTERNAL INTERCOSTALS
 Definition
-pull up on rib cage
-inspiration
Term
INTERNAL INTERCOSTALS
 Definition
-forced expiration
Term
TRAPEZIUS
 Definition
-extend head
-elevate shoulders
Term
LATISIMMUS DORSI
 Definition
-arm extension
-rowing
Term
SUPRISPINATUS
 Definition
-ABDUCTION of the arm
-away from midline
Term
INFRASPINATUS
 Definition
-lateral rotation of arm
Term
TERES MAJOR
 Definition
-ADDUCTION of arm
-towards midline
Term
TERES MINOR
 Definition
-lateral rotation of arm
Term
LEVATOR SCAPULAE
 Definition
-elevates scapula
Term
RHOMBOIDS
 Definition
-rotates scapula medially and inferiorly
Term
RECTUS ABDOMINIS
 Definition
-flexing vertebral column forwards
Term
EXTERNAL OBLIQUE
 Definition
-trunk rotation
Term
INTERNAL OBLIQUE
 Definition
-trunk rotation
Term
TRICEPS BRACHII
 Definition
-extends forearm
Term
BICEPS BRACHII
 Definition
-flexes forearm
Term
BRACHIALIS
 Definition
-flex forearm
Term
BRACHIORADIALIS
 Definition
-flex forearm
Term
PROTONATOR TERES
 Definition
-protonates forearm
-palms down
Term
FLEXOR CARPI ULNARIS
 Definition
-flex wrist
-adducts wrist
Term
PALMARIS LONGUS
 Definition
-flex wrist
Term
FLEXOR DIGITORUM SUPERFICIALIS
 Definition
-flexes wrist
-flexes fingers
Term
FLEXOR DIGITORUM PROFUNDUS
 Definition
-flexes wrist
-flexes fingers
Term
EXTENSOR CARPI RADIALIS LONGUS
 Definition
-extends wrist
-abducts wrist
Term
EXTENSOR CARPI RADIALIS BREVIS
 Definition
-extends wrist
-abducts wrist
Term
EXTENSOR DIGITORUM
 Definition
-extends wrist
-extends fingers
Term
EXTENSOR CARPI ULNARIS
 Definition
-extends wrist
-adducts wrist
Term
SUPINATOR
 Definition
-supinates forearm
-palms up
Term
ABDUCTOR POLLICIS LONGUS
 Definition
-abducts thumb
Term
EXTENSOR POLLICIS LONGUS
 Definition
-extends thumb
Term
EXTENSOR POLLICIS BREVIS
 Definition
-extends thumb
Term
SARTORIUS
 Definition
-flexes thigh
-abducts thigh
-laterally rotates thigh
Term
ILIOPSOAS
 Definition
-flexes trunk
-flexes thigh
Term
ADDUCTOR LONGUS
 Definition
-adducts thigh
Term
ADDUCTOR MAGNUS
 Definition
-adducts thigh
Term
GRACILIS
 Definition
-adducts thigh
Term
QUADS: RECTUS FEMORIS
 Definition
-extends leg
Term
QUADS: VASTUS LATERALIS, VASTUS INTERMEDIUS, VASTUS MEDIALIS
 Definition
-extends leg
Term
GASTROCNEMIUS
 Definition
-plantar flexes foot
Term
SOLEUS
 Definition
-plantar flexes foot
Term
TENSOR FASCIAE LATAE
 Definition
-flexes thigh
-abducts thigh
-rotates laterally thigh
Term
GLUTEUS MAXIMUS
 Definition
-extends thigh
-abducts thigh
Term
HAMSTRINGS: BICEPS FEMORIS, SEMITENDINOSUS, SEMMEMBRANOSUS
 Definition
-flexes leg
Term
TIBIALIS POSTERIOR
 Definition
-plantar flexion
-inverts foot
Term
FLEXOR DIGITORUM LONGUS
 Definition
-flexes toes
Term
FLEXOR HALLUCIS LONGUS
 Definition
-flexes big toes
Term
FIBULARIS (PERONEOUS) LONGUS
 Definition
-plantar flexion
-everts foot
Term
TIBIALIS ANTERIOR
 Definition
-inverts foot
-dorsal flexion
Term
EXTENSOR DIGITORUM LONGUS
 Definition
-extends toes
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