Brachium & Antibrachium Origin And Insertion Flashcards
O&I of deltoideus
O: spine & acromial process of scapula
I: deltoid tuberosity
Innervation of deltoideus
Axillary nerve
O&I of infraspinatus
O: infraspinous fossa
I: lateral side of the greater tubercle of humerus
Innervation of infraspinatus
Suprascapular nerve
O&I of teres minor
O: infraglenoid tumbler and distal 3rd of caudal boarder of the scapula
I: teres minor tuberosity of the humerus
Innervation of teres minor
Axillary nerve
O&I of supraspinatus muscle
O: supraspinous fossa
I: greater tubercle of humerus (thick tendon)
Innervation of supraspinatus muscle
Suprascapular nerve
O&I of subscapularis muscle
O: subscapular fossa
I: lesser tubercle of humerus
Innervation of subscapularis muscle
Subscapular nerve
O&I of teres major muscle
O: Caudal angle and adjacent caudal boarder of the scapula; caudal surface of subscapularis
I: teres major tuberosity of the humerus
Innervation of the teres major muscle
Axillary nerve
O&I of coracobrachialis muscle
O: coracoid process of scapula
I: crest of lesser tubercle of humerus proximal to the teres major tuberosity
Innervation of the coracobrachialis muscle
Musculocutanous nerve
O&I of tensor fasciae antebrachii
O: fascia covering lateral side of lat dorsi
I: olecrannon
Innervation of tensor fascia brachii
Radial nerve
O&I of Long head of triceps
O: caudal boarder of the scapula
I: olecranon tuber
Innervation of the long, lateral, accessory & medial head of triceps
Radial nerve
O&I of lateral head of triceps
O: neck of humerus
I: olecranon tuber
O&I of accessory head of triceps
O: neck of humerus
I: olecranon tuber
O&I of medial head of triceps
O: crest of lesser tubercle near teres major tuberosity
I: olecrannon
O&I of anconeus muscle
O: lateral supracondylar crest, lateral & medial epicondyle of humerus
I: lateral surface of the proximal end of ulna (olecranon)
Innervation of the anconeus muscle
Radial nerve
O&I of biceps brachii
O: supraglenoid tubercle
I: ulnar and radial tuberosities
Innervation of biceps brachii
Musculocutaneous nerve
O&I of brachialis
O: proximal 3rd of the lateral surface of humerus
I: ulnar and radial tuberosities
Innervation of brachialis
Musculocutaneous nerve
O&I of extensor carpi radialis
O: lateral supracondylar crest
I: small tuberosities on the dorsal surfaces of the base of metacarpals II & III
Innervation of extensor carpi radialis
Radial nerve
O&I of common digital flexor
O: lateral epicondyle of humerus
I: extensor process of the distal phalanges of digits II, III, IV, V
Innervation of common digital extensor
Radial nerve
O&I of lateral digital extensor
O: lateral epicondyle of humerus
I: proximal ends of all the phalanges of digits III, IV, V but mainly the extensor processes of the distal phalanges of III, IV, V
Innervation of lateral digital extensor
Radial nerve
O&I of ulnaris lateralis
O: lateral epicondyle of humerus
I: lateral aspect of the proximal end of the metacarpal V and accessory carpal bone
Innervation of ulnaris lateralis
Radial nerve
O&I of supinator
O: lateral epicondyle of the humerus
I: cranial surface of the proximal fourth of the radius
Innervation of the supinator
Radial nerve
O&I of the abductor digits I longus
O: lateral boarder and cranial surface of the body of the ulna, interosseous membrane
I: proximal end of metacarpal I
Innervation of abductor digiti I longus
Radial nerve
O&I of pronator teres
O: the medial epicondyle of the humerus
I: the medial boarder of the radius between the proximal and middle thirds
Innervation of pronator teres
Median nerve
O&I of flexor carpi radialis
O: medial epicondyle of the humerus and medial border of the radius
I: palmar side of the base of metacarapals II and III
Innervation of flexor carpi radialis
Median nerve
O&I of superficial digital flexor
O: medial epicondyle of humerus
I: palmar surface of base (proximal) of the middle phalanges of digits II, III, iV & V
Innervation of of superficial digital flexor
Median nerve
O&I of ulnar head of flexor carpi ulnaris
O: ulnar head - caudal border and medial surface of olecranon; humeral head - median epicondyle of the humerus
I: accessory carpal bone
Innervation of the ulnar head of flexor carpi ulnaris
Ulnar nerve
O&I of deep digital flexor
O: humeral head - medial epicondyle of humerus, ulnar head - proximal 3/4 of caudal border of ulna
I: flexor tubercle of the palmar surface of the distal phalanx of each digit
Innervation of deep digital flexor
Median and ulnar nerves
O&I of pronator quadratus
Attaches to apposed surfaces of the radius and ulna
Innervation of pronator quadratus
Median nerve
