Lab 2: Upper Extremity Muscles Flashcards
Deltoid
origin
insertion
action
origin: clavicle
insertion: deltoid tuberosity
action: rotates arm
Pectoralis Major
origin
insertion
action
origin: clavicle
insertion: tubercle of humerus
action: rotates arm
Pectoralis Minor
origin
insertion
action
origin: ribs 3-5
insertion: coracoid process of scalpula
action: raises ribs 3-5
Supraspinatus
origin
insertion
action
origin: supraspinatus fossa
insertion: greater tubercle of humerus
action: extends arm
Infraspinatus
origin
insertion
action
origin: infraspinatus fossa
insertion: greater tubercle of humerus
action: extends arm
Teres Minor
origin
insertion
action
origin: lateral border of scalpula
insertion: tubercle of humerus
action: extends arm
Teres Major
origin
insertion
action
origin: lateral border of scalpula
insertion: tubercle of humerus
action: extends arm
Biceps
origin
insertion
action
origin: coracoid process
insertion: radial tuberosity
action: flex forearm
Brachialis
origin
insertion
action
immediately deep to biceps
origin: anterior humerus
insertion: coronoid process of ulna
action: flex forearm
Triceps
origin
insertion
action
origin: glenoid cavity
insertion: olecranon process of ulna
action: extend arm/forearm
Flexor Carpi Radialis
origin
insertion
action
origin: flexor tendon on humerus
insertion: metacarpals
action: flex wrist/adduct hand
Palmaris Longus
origin
insertion
action
origin: flexor tendon on humerus
insertion: skin of palm
action: flex wrist
Flexor Carpi Ulnaris
origin
insertion
action
Origin: flexor tendon on humerus
insertion: metacarpal 5
action: flex wrist/adduct hand
Brachioradialis
originin
insertion
action
origin: humerus
insertion: styloid process
action: flex forearm
Extensor Carpi Radialis Longus
origin
insertion
action
origin: humerus
insertion: metacarpal 2
action: extends wrist
Extensor Carpi Ulnaris
origin
insertion
action
origin: humerus
insertion: metacarpal 5
action: extends wrist
