Shared Flashcard Set

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Muscular System
N/A
60
Anatomy
12th Grade
10/28/2013

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Cards

Term
Occipitofrantalis (facial expression and head movement)
Definition
raises eyebrows, wrinkles, forehead horizontally
Term
Corrugator Super Cilii (facial expression and head movement)
Definition
wrinkles forehead vertically
Term
Orbicularis Oculi (facial expression and head movement)
Definition
closes eyes
Term
Zygomaticus major (facial expression and head movement)
Definition
laughing; elevates angle of mouth
Term
Orbicularis Oris (facial expression and head movement)
Definition
draws lips together
Term
Buccinator (facial expression and head movement)
Definition
permits smiling
Term
Masseter (facial expression and head movement)
Definition
closes jaw
Term
Temporalis (facial expression and head movement)
Definition
closes jaw
Term
Pterygoids (lateral & medial) (facial expression and head movement)
Definition
grates teeth
Term
External Intercostal (thorax)
Definition
elevate ribs
Term
Internal Intercostals (thorax)
Definition
depress ribs
Term
Diaphragm (thorax)
Definition
enlarges thorax causing inspiration
Term
External Oblique (abdominal wall)
Definition
compresses abdomen, rotates trunk laterally
Term
Interal Oblique (abdominal wall)
Definition
compresses abdomen, rotates trunk laterally
Term
Transversus Abdominis (abdominal wall)
Definition
compresses abdomen, rotates trunk laterally
Term
Rectus Abdominis (abdominal wall)
Definition
compresses abdomen, rotates trunk laterally ; flexes trunk
Term
Quadratus Lumborum (abdominal wall)
Definition
flexes vertebral column laterally; depresses last rib
Term
Iliocaostalis Group (muscles of the back)
Definition
extends, laterally flexes vertebral column
Term
Longissimus Group (muscles of the back)
Definition
extends head, neck, or vertebral column
Term
Spinalis Group (muscles of the back)
Definition
extends neck or vertebral column
Term
Semispinalis Group (muscles of the back)
Definition
extends neck or vertebral column
Term
Multifidus Group (muscles of the back)
Definition
extends, rotates vertebral column
Term
Rotatores Group (muscles of the back)
Definition
extends, rotates vertebral column
Term
Splenius (muscles of the back)
Definition
rotates, extends neck and flexes neck laterally
Term
Interspinales Group (muscles of the back)
Definition
extends back and neck
Term
Pectoralis major (muscles of the upper arm)
Definition
flexes upper arm
Term
Latissimus Dorsi(muscles of the upper arm)
Definition
extends upper arm
Term
Deltoid (muscles of the upper arm)
Definition
abducts upper arm
Term
Coracobrachialis (muscles of the upper arm)
Definition
assists in flexion and medial rotation of arm
Term
Supraspinatus (muscles of the upper arm)
Definition
assists in abducting arm
Term
Teres minor (muscles of the upper arm)
Definition
rotates arm outward
Term
Infraspinatus (muscles of the upper arm)
Definition
rotates arm outward
Term
Teres major (muscles of the upper arm)
Definition
assists in extension, abduction and medial rotation of arm
Term
Subscapularis (muscles of the upper arm)
Definition
medial rotation
Term
Biceps brachii (muscles of the forearm)
Definition
flexes supinated forearm
Term
Brachialis (muscles of the forearm)
Definition
flexes pronated forearm
Term
Brachioradialis (muscles of the forearm)
Definition
flexes semipronated or semisupinated forearm; supinates forearm and hand
Term
Triceps brachii (muscles of the forearm)
Definition
extends lower arm
Term
Pronator teres (muscles of the forearm)
Definition
pronates and flexes forearm
Term
Pronator quadratus (muscles of the forearm)
Definition
pronates forearm
Term
Supinator (muscles of the forearm)
Definition
supinates forearm
Term
Flexor carpi radialis (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
flexes hand, and forearm
Term
Palmaris longus (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
flexes hand
Term
Flexor carpi ulnaris (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
flexes hand
Term
Extensor carpi radialis longus (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
extends hand, adducts hand (moves toward thumb side when hand supinated)
Term
Extensor carpi radialis brevis (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
extends hand
Term
Extensor carpi ulnaris (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
extends hand, adducts hand (moves toward little finger side when hand supinated)
Term
Flexor digitorum profundus (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
flexes distal interphalangeal joints
Term
Flexor digitorum superficialis (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
flexes fingers
Term
Extensor digitorum (Extrinsic) (muscles of the wirst, hand, and fingers)
Definition
extends fingers
Term
Opponens pollicis (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
opposes thumb to fingers
Term
Abductor pollicis brevis (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
abducts thumb
Term
adductor pollicis (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
adducts thumb
Term
flexor pollicis brevis (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
flexes thumb
Term
abductor digiti minimi (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
abducts/flexes fifth finger
Term
Flexor digiti minimi (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
flexes fifth finger
Term
flexor digiti minimi brevis (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
flexes fifth finger
Term
opponens digiti minimi (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
opposes fifth finger slightly
Term
interosseous, palmer and dorsal (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
adducts second,fourth, and fifth fingers
Term
lumbricales (Intrinsic) (Muscles of the wrist,hand, and fingers)
Definition
flexes proximal phalanges 2-5
extends middle and distal phalanges 2-5
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