GA1 origins and insertions

What is the origin,insertion and action of the superficial pectoral?

o: first 2-3 sternebrae

i:crest of greater tubercle of humerus

a:fixed limb-prevent limb from abduction

non supporting weight- adduct limb

What is the origin,insertion and action of the deep pectoral?

o:ventral part of sternum

i:lesser tubercle of humerus and aponeurosis to the greater tubercle

a:fixed limb-pull trunk cranially and extend shoulder joint

non supporting weight- adduct limb and flex shoulder joint

What is the attachments and action of the Braciocephalicus?

attachments:

cleidobrachialis-distal end of cranial border of humerus

pars cervicalis-mid dorsal cervical raphe

pars mastoidea-mastoid part of temporal bone

action:

fixed limb-draw neck and head to side

non weight-extend shoulder joint,advance the limb

What is the attachments and action of the omotransversarius?

attachments:

caudally-distal end of scapular spine

cranially-transverse process of the atlas

a:advance limb or flex neck laterally

What is the origin,insertion and action of the trapezius?

o:median raphe of the neck and the supraspinous ligament from C3 to T9

i:scapular spine

a:elevate and abduct forelimb

What is the origin,insertion and action of the rhomboideus?

o:the nuchal crest,mid cervical raphe,spinous process from T1 to T7

i:dorsal border of scapula

a:elevate forelimb, draw scapula against the trunk

What is the origin,insertion and action of the latissimus dorsi?

o:thoracolumbar fascia

i:teres major tuberosity

a:fixed limb-pull trunk cranially

non weight-draw limb caudally,flex shoulder joint

What is the origin,insertion and action of the serratus ventralis?

o: transverse process of the last 5 cervical vertebrae and the first seven or eigth ribs ventral to their middle

i:serrated face of scapula

a:support trunk and depress scapula

What is the origin,insertion and action of the supraspinatus muscle?

o:supraspinous fossa

i:greater tubercle of humerus

a:extend and stabilize the shoulder

What is the origin,insertion and action of the deltoideus muscle?

o: scapular spine and acromial process

i:deltoid tubersoisty

a:flex shoulder

What is the origin,insertion and action of the teres minor?

o:intraglenoid tubercle

i:teres minor tuberosity

a:flex shoulder

What is the origin,insertion and action of the infraspinatus?

o:infraspinous fossa

i:lateral side of greater tubercle of humerus

a:extend or flex shoulder and provide lateral stability to shoulder

What is the origin,insertion and action of the teres major?

o:caudal angle and adjacent caudal border of scapula

i:teres major tuberosity

a:flex shoulder

What is the origin,insertion and action of the subscapularis?

o:subscapular fossa

i:lesser tubercle of humerus

a:extend and stabilize shoulder

What is the origin,insertion and action of the coracobrachialis?

o:coracoid process of scapula

i:crest of lesser tubercle of humerus

a:adduct,extend and stabilize shoulder joint

What is the origin,insertion and action of the long head of triceps?

o:caudal border of scapula

i:olecranon tuber

a:flex shoulder joint to extend elbow

What is the origin,insertion and action of the accessory head of triceps?

o:neck of humerus

i:olecranon tuber

a:extend elbow

What is the origin,insertion and action of the lateral head of triceps?

o:tricipital line of the humerus

i:olecranon tuber

a:extend elbow

What is the origin,insertion and action of the tensor fascia antebrachii?

o:lateral side of latissimus dorsi

i:olecranon tuber

a:extend elbow joint

What is the origin,insertion and action of the medial head of triceps?

o:crest of lesser tubercle of humerus

i:olecranon tuber

a:extend elbow

What is the origin,insertion and action of the anconeus?

o:lateral and medial epicondyles of humerus

i:lateral surface of olecranon tuber

a:extend elbow

What is the origin,insertion and action of the biceps brachii?

o:supraglenoid tubercle

i:ulnar and radial tuberosities

a:flex elbow joint and extend shoulder joint

What is the origin,insertion and action of the brachialis?

o:proximal third of lateral surface of humerus

i:ulnar and radial tuberosities

a:flex elbow joint

What is the origin,insertion and action of the pronator teres?

o:medial epicondyle of humerus

i:medial border of the radius between proximal and middle thirds

a:pronation

What is the origin,insertion and action of the supinator?

o:lateral epicondyle of the humerus

i:cranial surface of the proximal fourth of radius

a:supination

What is the origin,insertion and action of the extensor carpi radialis?

o:lateral supracondyle crest

i:dorsal surfaces of the base of metacarpals II and III

a:extend carpal joints

What is the origin,insertion and action of the common digital extensor?

o:lateral epicondyle of humerus

i:extensor processes of the distal phalanges of digits II,III,IV and V

a:extend joints of the four principal digits and the carpus

What is the origin,insertion and action of the lateral digital extensor?

o:lateral epicondyle of humerus

i:extensor processes of the distal phalanges of digits III,IV and V

a:extend carpal joints of the carpus and digits III,IV and V

What is the origin,insertion and action of the ulnaris lateralis?

o:lateral epicondyle of the humerus

i:proximal end of the metacarpal V and the acessory carpal bone

a:flex carpal joints

What is the origin,insertion and action of the superficial digital flexor?

o:medial epicondyle of humerus

i:palmer surface of the proximal end of the middle phalanges of digits II,III,IV and V

a:flex carpal,metacarpophalangeal and proximal interphalangeal joints of digits II,III,IV and V

What is the origin,insertion and action of the flexor carpi ulnaris?

o:cauldal border of the olcranon

i:acessory carpal bone

a:flex carpus

What is the origin,insertion and action of the flexor carpi ulnaris?

o:medial epicondyle of humerus

i:flexor tubercle on the palmer surface of the distal phakanx of each digit

a:flex carpal,metacarpophalangeal joints and the proximal and distal interphalangeal joints of the digits

What is the origin,insertion and action of the flexor carpi radialis?

o:medial epicondyle of the humerus

i:palmer side of the base of metacarpals II and III

a:flex carpus