rhomboid major
scapular retraction
rhomboid minor
scapular retraction
levator scapulae
scapular elevation
serratus anterior
scapular protraction, rotates scapula lateral/superior (scapular winging)
supraspinatus
initiates abduction of humerus
infraspinatus
lateral rotation of humerus
subclavius
anchors clavicle, depresses clavicle
pectoralis major
humeral adduction, humeral medial rotation, humeral flexion
subscapularis
medially rotates humerus, adducts humerus
teres minor
lateral rotation of humerus
latissmus dorsi
humeral medial rotation, humeral adduction, humeral extension, lift body when climbing
pectoralis minor
scapular protraction, scapular depression, stabelizes scapula
coracobrachialis
flexes arm at glenohumeral joint
brachialis
flexes forearm at elbow
biceps brachii
supinates forearm, flexes forearm at elbow, flexes are at glenohumeral joint
deltoid
Clavicular: flexes and medially roatates humerusacromial: abducts humerusspinal: extends and laterally rotates humerus
teres major
adducts humerus, medially rotates humerus
triceps brachii
extends forearm at elbow, extends arm at glenohumeral joint
anconeus
extends forearm at elbow
brachioradialis
flexes forearm at elbow
extensor carpi radialis longus
extend and abducts hand at wrist
extensor carpi radialis brevis
extends and abduct hand at wrist
extensor digitorum
extends digits 2-5 at MCP
extensor digiti minimi
extends digit 5 at MCP
extensor carpi ulnaris
extends at adducts hand at wrist
extensor indicis
extends digit 2
abductor pollicis longus
abducts thumb
extensor pollicis longus
extends distal phalynx of thumb
extensor pollicis brevis
extends proximal phalynx of thumb at MCP
supinator
supinates forearm
pronater teres
pronates forearm
pronator quadratus
pronates forearm
flexor carpi radialis
flexes hand at wrist and abducts hand
palmaris longus
flexes hand at wrist, tenses palmar aponeurosis
flexor digitorum superficialis
flexes middle phalanx at PIP joint
flexor digitorum profundus
flexes distal phalynx at DIP joint
flexor pollicis longus
flexes 1st digit
lumbricals
flex MCP joint and extend IP joints
oppopnens pollicis
opposes thumb
flexor pollicis brevis
flexes thumb
abductor pollicis brevis
abducts thumb
adductor pollicis
adducts thumb
flexor carpi ulnaris
flexes hand at wrist, adducts hand at wrist
opponens digiti minimi
opposes 5th digit to thumb
abductor digiti minimi
abducts digit 5
flexor digiti minimi brevis
flexes proximal phalanx of digit 5
trapezius
scapular elevation, scapular retraction, scapular depression, superior rotation of glenoid fossa
serratus posterior superior
stabilizes deep back muscles, elevation of ribs (inspiration)
serratus posterior inferior
stabilizes deep back muscles, depression of ribs (expiration)
iliocostalis
erector spinae muscle-unilateral contraction causes lateral flexion, bilateral contraction cause extension of spine
longissiums
erector spinae muscle-unilateral contraction causes lateral flexion, bilateral contraction cause extension of spine
spinalis
erector spinae muscle-unilateral contraction causes lateral flexion, bilateral contraction cause extension of spine
splenius capitus
spinotransverse muscle-cover and hold deep muscle, unilateral contraction causes lateral flexion of neck and rotation of head to side of contration, bilateral contraction causes head and neck extension
splenius cervicis
spinotransverse muscle-cover and hold deep muscle, unilateral contraction causes lateral flexion of neck and rotation of head to side of contration, bilateral contraction causes head and neck extension
semispinalis capitus
semispinals spans 4-6 vertebraetransversospinal muscle-extension of head
semispinalis cervicis
semispinals spans 4-6 vertebraetransversospinal muscle-extension of vertebral column
palmer interossei
(1-3), adductus digit 2,4,5 PAD
dorsal interossei
(1-4), abducts digits 2,3,4 DAB
multifidus
spans 2-4 vertebraetransversospinal-unilateral contraction rotates to contralateral side, stabelizes vertebrae (best in lumbar region)
rotaters
spans 1-2 vertebraetransversospinal-extension and rotation of vertebral column (best in thoracic region)