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71 Cards in this Set
- Front
- Back
- 3rd side (hint)
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frontalis |
muscle that raises the eyebrows and wrinkles the skin of the forehead |
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occipitalis |
pulls the scalp posteriorly |
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orbicularis oculi |
closes the eye |
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zygomaticus |
pulls the corners of the mouth laterally (smile muscle); major and minor |
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risorius |
draws corner of lips laterally; syngergist of zygomaticus |
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orbicularis oris |
purses the lips (kiss muscle) |
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temporalis |
closes the jaw; maintains the mandible at rest |
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masseter |
prime mover of jaw closing; elevates the mandible |
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buccinator |
compresses the cheek; keeps food between teeth when chewing |
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platysma |
tenses neck skin; helps depress mandible |
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sternocleidomastoid |
flexes the head and neck; rotates the head |
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digastric |
opens the mouth and depresses the mandible |
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mylohyoid |
elevates hyoid bone and floor of the mouth |
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stylohyoid |
elevates and retracts the hyoid bone |
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sternohyoid |
depresses the hyoid bone |
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sternothyroid |
pulls larynx and hyoid bone inferiorly; deep to the sternohyoid |
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omohyoid |
depresses and retracts the hyoid bone |
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thyrohyoid |
depresses the hyoid bone or elevates the larynx if the hyoid is fixed |
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rectus abdominis |
compresses abdominal contents and flexes the vertebral column |
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external oblique |
compresses abdominal contents and laterally rotates the trunk; external layer |
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internal oblique |
compresses abdominal contents and laterally rotates the trunk; internal layer |
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transversus abdominis |
compresses abdominal contents |
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pectoralis major |
prime mover of arm flexion and adduction; rotates arm medially |
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pectoralis minor |
pulls scapula forward; pulls rib cage up (for inspiration) |
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serratus anterior |
prime mover of scapula protraction; "boxer's muscle" (pushing, punching) |
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external intercostals |
elevate the rib cage for inspiration |
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internal intercostals |
depress the rib cage for expiration |
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diaphragm |
prime mover of inspiration; flattens on contraction |
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deltoid |
prime mover of arm abduction |
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subscapularis |
rotates the humerus medially; rotator cuff muscle (stabilizes shoulder joint) |
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supraspinatus |
initiates arm abduction; stabilizes shoulder joint (rotator cuff muscle) |
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infraspinatus |
rotates the humerus laterally; stabilizes shoulder joint (rotator cuff muscle) |
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teres minor |
same actions as the infraspinatus muscle; stabilizes shoulder joint (rotator cuff muscle) |
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teres major |
extends, medially rotates, and adducts the humerus |
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erector spinae muscles |
prime mover of back extension |
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trapezius |
stabilizes, raises, retracts, and rotates the scapula; extends the head |
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levator scapulae |
elevates and adducts the scapula |
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rhomboid major |
stabilizes the scapula; major |
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rhomboid minor |
stabilizes the scapula; minor |
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latissimus dorsi |
prime mover of arm extension; powerful arm adductor; medially rotates arm (at the shoulder) |
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triceps brachii |
prime mover of forearm extension |
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biceps brachii |
flexes the elbow joint and supinates the forearm |
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brachialis |
major forearm flexor |
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brachioradialis |
synergist of forearm flexion |
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pronator teres |
pronates the forearm |
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flexor carpi radialis |
powerful wrist flexor that abducts the hand |
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palmaris longus |
tenses skin of palm during hand movements |
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flexor carpi ulnaris |
powerful wrist flexor that adducts the hand |
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extensor carpi ulnaris |
extends and adducts the wrist |
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extensor digitorum |
prime mover of finger extension |
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extensor carpi radialis longus |
extends and abducts the wrist |
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gluteus maximus |
extends the thigh |
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gluteus medius |
abducts and medially rotates the thigh |
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tensor fasciae latae |
steadies the knee; flexes and abducts the thigh |
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sartorius |
flexes, abducts, and laterally rotates the thigh |
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iliopsoas |
prime mover for thigh flexion |
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pectineus |
flexes the thigh; assists the ilopsoas |
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adductor longus |
adducts and medially rotates the thigh; along with adductor magnus |
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gracilis |
adducts, flexes, and medially rotates the leg |
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adductor magnus |
adducts and medially rotates the thigh; along with adductor longus |
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rectus femoris |
flexes the thigh and extends the leg |
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vastus lateralis |
extends and stabilizes the leg |
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vastus medialis |
flexes the thigh and extends the leg; medial to the rectus femoris |
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biceps femoris |
extends the thigh and flexes the leg |
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semitendinosus |
flexes the leg (medial to biceps femoris) |
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semimembranosus |
flexes the leg (deep to the semitendinosus) |
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tibialis anterior |
prime mover of dorsiflexion |
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extensor digitorum longus |
extends the toes |
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fibularis longus (peroneus) |
plantar flexes and everts the foot |
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gastrocnemius |
plantar flexes the foot |
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soleus |
plantar flexes the foot; deep to the gastrocnemius |