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bone origins

trapezius dorsal midline of neck and thorax
rhomboideus -caudal surface of skull -dorsal midline of neck and thorax
serratus ventralis -last 5 cervical vertebrae -first 7-8 ribs
omotransversarius wing of atlas
brachiocephalicus -mastoid process -cranial half of dorsal midline of neck
latissimus dorsi spinous process of thoracic and first few lumbar vertebrae via the toracolumbar fascia
superficial pectoral cranial sternum
deep pectoral length of sternum
extrinsic muscles attaching to scapula trapezius rhomboideus serratus ventralis omotransversarius
extrinsic muscles attaching to humerus brachipcephalicus latissimus dorsi superficial pectoral deep pectoral
craniolateral muscles of forearm extensor carpi radialis common digital extensor lateral digital extensor ulnaris lateralis abductor pollicus longus
caudomedial muscles of forearm flexor carpi ulnaris flexor carpi radialis superficial digital flexor deep digital flexor ***all have an origin at medial epicondyle of humerus***
lateral muscles of shoulder supraspinatus infraspinatus deltoideus
medial muscles of shoulder subscapularis teres major
branial muscles of arm biceps brachii brachialis
caudal muscles of arm tensor fascia antebrachii triceps brachii
extensor carpi radialis lateral epicondyle of humerus
common digital extensor lateral epicondyle of humerus
lateral digital extensor lateral epicondyle of humerus
ulnaris lateralis lateral epicondyle of humerus
abductor pollicus longus -middle third of lateral border of ulna -adjacent interosseous membrane
muscles with origin at lateral epicondyle of humerus extensor carpi radialis common digital extensor lateral digital extensor ulnaris lateralis
flexor carpi ulnaris -medial epicondyle of humerus -caudomedial surface of olecranon of ulna
flexor carpi radialis medial epicondyle of humerus
superficial digital flexor medial epicondyle of humerus
deep digital flexor -medial epicondyle of humerus -caudal border of ulna -medial border of radius
supraspinatus supraspinous fossa of scapula
infraspinatus infraspinous fossa of scapula
deltoideus spine and acromion of scapula
subscapularis subscapular fossa of scapula
teres major proximal portion of distal border of scapula
biceps brachii supraglenoid tubercle of scapula
brachialis proximal part of lateral humerus (brachial groove)
tensor fascia antebrachii fascia on lateral surface of latissimus dorsi
triceps brachii -long:caudal border of scapula, distal to origin of teres major m. -lateral: tricipital line of humerus -medial: crest of lesser tubercle -accessory: neck of humerus
Created by: jesters