Question | Answer |
frontalis | raise eyebrows |
orbicularis oris | kissing, puckers lips |
orbicularis oculi | blinking eye, winking |
buccinator | fishy face, whistling |
zygomaticus | smiling muscle, draws up the corners of mouth |
platysma | pouting, chewing |
masseter | elevates mandible, prime jaw mover |
temporalis | elevates mandible, synergist to masseter |
medial pterygoid | elevates mandible, moves jaw side to side |
lateral pterygoid | depresses mandible, moves it side to side, protracts mandible |
sternocleidomastoid | flexes head, rotates head, elevates sternum during deep inhalation |
splenius capitis and semispinalis capitis | rotates and extends head, moves head side to side |
erector spinae | extends the vertebral column |
trapezius | elevates, depresses, and adducts the scapula |
rhomboideus major | elevates and adducts the scapula |
levator scapulae | elevates scapula |
serratus anterior | depresses scapula and pulls it anteriorly |
pectoralis minor | synergizes with serratus anterior and help elevate ribs during inhalation |
teres major | extends, adducts, and rotates arm medially |
latissimus dorsi | extends, adducts, and rotates arm medially |
supraspinatus | abducts arm |
deltoid | extends, flexes, and abducts arm |
subscapularis | rotates arm medially |
infraspinatus | rotates arm laterally |
teres minor | rotates arm laterally |
biceps brachii | flexes forearm, rotates lower arm laterally |
brachialis | flexes forearm, lies under the biceps brachii |
brachioradialis | flexes forearm |
triceps brachii | extends forearm |
supinator | turns forearm laterally |
pronator teres | turns forearm medially |
flexor carpi radialis | flexes and abducts wrist |
flexor carpi ulnaris | flexes and adducts wrist |
palmaris longus | flexes at the wrist only |
flexor digitorum superficialis | flexes fingers |
extensor carpi radialis longus (and brevis) | extends and abducts wrist |
extensor carpi ulnaris | extendsand adducts wrist |
extensor digitorum | extends fingers |