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28 Cards in this Set

  • Front
  • Back
coracobrachialis

action: flexes and adducts arm
origin: coracoid process of scapula
insertion: shaft of humerus
Pectoralis major

action: pulls arm anteriorly and across chest, rotates humerus or adducts arm
origin: clavicle, sternum, and costal cartilages of upper ribs
insertion: Intertubercular groove of humerus
Teres major

action: extends humerus or adducts and rotates arm medially
origin: lateral border of scapula
insertion: Intertubercular groove of humerus
Latissimus dorsi

action: extends and adducts arm and rotates humerus inwardly or pulls
origin: spines of sacral, lumbar and lower thoracic vertebrae
insertion: Intertubercular groove of humerus
Supraspinatus

action: Abducts arm
origin: posterior surface of scapula
insertion: Greater tubercle of humerus
Deltoid

action: adbucts arm, extends or flexes humerus
origin: acromion process, spine of scapula and clavicle
insertion: Deltoid tuberosity of humerus
Subscapularis

action: rotates arm medially
origin: anterior surface of scapula
insertion: lesser tubercle of humerus
Infraspinatus

action: rotates arm laterally
origin: posterior surface of scapula

insertion: Greater tubercle of humerus
Teres minor

action: rotates arm laterally
origin: lateral border of scapula

insertion: greater tubercle of humerus
Biceps brachii

action: flexes forearm at elbow and rotates hand laterally
origin: coracoid process and tubercle above glenoid cavity of scapula
insertion: radial tuberosity of radius
Brachialis

action: flexes forearm at elbow
origin: anterior shaft of humerus
insertion: coronoid process of ulna
Broachioradialis

action: flexes forearm at elbow
origin: distal lateral end of humerus
insertion: lateral surface of radius above styloid process
Triceps brachii

action: extends forearm at elbow
origin: Tubercle below glenoid cavity and lateral and medial surfaces of humerus
insertion: Olecranon process of ulna
Supinator

action: rotates forearm laterally
origin: lateral epicondyle of humerus and crest of ulna

insertion: Lateral surface of radius
Pronator teres

action: rotates forearm medially
origin: medial epicondyle of humerus and coronoid process of ulna
Insertion: Lateral surface of radius
Pronator quadratus

action: rotates forearm medially
origin: anterior distal end of ulna
insertion: anterior distal end of radius
Flexor carpi radius

action: flexes and abducts wrist
origin: medial epicondyle of humerus

insertion: base of second and third metacarpals
Flexor carpi ulnaris

action: flexes and adducts wrist
origin: medical epicondyle of humerus and olecranon process

insertion: carpal and metacarpal bones
Palmaris longus

action: flexes wrist
origin: medial epicondyle of humerus

insertion: fascia of palm
Flexor digitorum profundus

action: flexes distal joints of fingers
origin: anterior surface of ulna

insertion: bases of distal phalanges in fingers 2-5
Extensor carpi radialis longus

action: Extends wrist and abducts hand
origin: discal end of humerus

insertion: base of second metacarpal
Extensor carpi radialis brevis

action: extends wrist and abducts hand
origin: lateral epicondyle of humerus

insertion: base of second and third metacarpals
Extensor carpi ulnaris

action: Extends and adducts wrist
origin: lateal epicondyle of humerus

insertion: base of fifth metacarpal
Extensor digitorum

action: extends fingers
origin: lateral epicondyle of humerus

insertion: posterior surface of phalanges in fingers 2 - 5
External oblique

action: tenses abdominal wall and compresses abdominal contents
origin: outer surfaces of lower ribs

insertion: outer lip of iliac crest and linea alba
Internal oblique

action: tenses abdominal wall and compresses abdominal contents
origin: crest of ilium and inguinal ligament

insertion: cartilages of lwer ribs, linea alba and pubis crest
Transversus abdominis

action: tenses abdominal wall and compresses abdominal contents
origin:costal cartilages of lower ribs, processes of lumbar vertebrae, iliac crest lip & inguinal ligament
insertion:linea alba/pubis crest
Rectus abdominis
action: tenses abdominal wall and compresses abdominal contents; flexes vertebral column
origin: crest of pubis and symphysis pubis

insertion: xiphoid process of sternum and costal cartilages