Actions Insertions Origins

Question 1

Cleidobrachialis

Answer 1

Origin: clavicular intersection
Insertion: distal end cranial border of the humerus
Action: advance limb, extend shoulder, draw head and neck to side

Question 2

Cleidocephalicus
Pars mastoidea
Par cervicalis

Answer 2

Origin: clavicular intersection
Par mastoidea insertion: mastoid process of the skull
Pars cervicalis insertion: occipital bone of the skull

Action: advance limb, extend shoulder, draw head and neck to the side

Question 3

Sternocephalicus

Answer 3

Mastoid part
Origin: sternum
Insertion: mastoid part of the skull
Action: to draw the head and neck to the side

Occipital part:
Origin: sternum
Insertion: occipital bone of the skull
Action: draw the head and neck to the side

Question 4

Omotransversarius

Answer 4

Attachments: distal end of the spine of the scapula, transverse process of the atlas
Action: to flex the neck laterally, advance limb

Question 5

Trapezius

Answer 5

Cervical&Thoracic

Origin: median raphe
Insertion: spine of the scapula
Action: elevate and abduct the limb

Question 6

Subscapularis:

Answer 6

Origin: subscapular fossa
Insertion: lesser tubercle of the humerus
Action: adductor extend and stabilize the limb

Question 7

Teres major

Answer 7

Origin: caudal angle and adjacent border of the scapula
Insertion: Teres major tuberosity
Action: flex shoulder joint

Question 8

Supraspinatus

Answer 8

Origin: supraspinous fossa
Insertion: greater tubercle of the humerus
Action: extend of flex and stabilize the shoulder joint

Question 9

Teres minor

Answer 9

Origin: infraglenoid tubercle
Insertion: Teres minor tuberosity
Action: Flex shoulder, rotate laterally

Question 10

Infraspinatus

Answer 10

Origin: infraspinatus fossa
Insertion: lateral side of the greater tubercle of the humerus
Action: extend or flex joint, rotate humerus
Weight bearing: prevent medial rotation, provide lateral stability to the shoulder joint

Question 11

Deltoideus

Answer 11

Origin: spine & acromial process of the scapula
Insertion: deltoid tuberosity
Action: flex the shoulder

Question 12

Serratus Ventralis

Answer 12

Serratus ventralis cervicis & thoracis

Origin: transverse process of the last 5 cervical vertebrae, 1st 7 or 8 ribs ventral to their middle
Insertion: dorsomedial 3rd of the scapula (serrated face)
Action: support the trunk and depress the scapula

Question 13

Latissimus Dorsi

Answer 13

Origin: thoraculumnar fascia, last 7/8 vertebrae
Insertion: Teres major tuberosity
Action: draw the limb caudally (digging), flex the shoulder

Question 14

Rhomboideus thoracis

Answer 14

Origin: spines of the 1st seven thoracic vertebrae
Insertion: dorsal border of the scapula
Action: elevate the forelimb, draw the scapula against the trunk

Question 15

Rhomboideus cervicis

Answer 15

Origin: median raphe of the neck
Insertion: dorsal border of the scapula
Action: elevate the forelimb, draw the scapula against the trunk

Question 16

Rhomboideus capitis

Answer 16

Origin: cranial dorsal border of the scapula
Insertion: occipital bone
Action: elevate the forelimb, draw the scapula against the trunk

Question 17

Coracobrachialis

Answer 17

Origin: coricoid process of the scapula
Insertion: crest of the lesser tubercle of the humerus, proximal to the Teres major tuberosity
Action: to adduct, extend, and stabilize the shoulder joint

Question 18

Tensor fascia antebrachii

Answer 18

Origin: the fascia covering the lateral side of the Latissimus dorsi
Insertion: olecranon
Action: extend the elbow

Question 19

Long head of the Triceps

Answer 19

origin: caudal border of the scapula
Insertion: olecranon
Action: extend the elbow joint, flexes the shoulder joint

Question 20

Lateral head of the triceps

Answer 20

Origin: tricipital line of the humerus
Insertion: olecranon
Action: extend the elbow joint

Question 21

Accessory head of the triceps

Answer 21

Origin: neck of the humerus
Insertion:olecranon
Action:extend the elbow joint

Question 22

Medial head of the triceps

Answer 22

Origin: crest of the lesser tuberosity near Teres major tuberosity
Insertion: olecranon
Action: extend the elbow

Question 23

Aconeus

Answer 23

Origin: lateral supracondylar crest
Insertion: lateral surface, proximal end of the ulna
Action: extend the elbow

Question 24

Ulnaris lateralis

Answer 24

Origin: lateral epicondyle of the humerus
Insertion: lateral aspect of the proximal end of the metacarpal V and the accessory carpal bone
Action: to abduct the manus, flex the carpal joints, and support the carpus when extended to support weight

Question 25

Lateral digital extensor

Answer 25

Origin: lateral epicondyle of the humerus Insertion: proximal ends of the phalanges of digits (3,4,5); mainly the extensor process of the distal phalanges of these digits Action: extend the carpal joints

Question 26

Common digital extensor

Answer 26

Origin: lateral epicondyle of the humerus Insertion: extensor process of the phalanges of digits (2,3,4,5) Action: to extend the carpal joints

Question 27

Extensor carpi radialis

Answer 27

Origin: lateral epicondyle of the humerus Insertion: small tuberosities in the dorsal surfaces of the base of metacarpals (2,3)

Question 28

Brachialis

Answer 28

Origin: proximal surface of humerus Insertion: ulnar and radial tuberosities Action: flex elbow

Question 29

Biceps Brachii

Answer 29

Origin: supraglenoid tubercle Insertion: ulnar and radial tuberosities Action: flex elbow, extend the shoulder

Question 30

Supinator

Answer 30

Origin: lateral epicondyle of the humerus Insertion: cranial surface of the proximal 4th of the radius Action: rotate the forearm laterally so that the palmar side of the paw faces medially , to flex the elbow joint

Question 31

Long abductor of digit 1

Answer 31

Origin: lateral border, and cranial surface of the body of the ulna, interosseous membrane Insertion: proximal end of metacarpal 1 Action: to abduct the 1st digit, and extend the carpal joints

Question 32

Pronation Teres

Answer 32

Origin: medial epicondyle of the humerus Insertion: medial border of radius between the proximal and middle thirds Action: rotate the forearm medially so that the palmar side of the paw faces the ground, flex the elbow

Question 33

Flexor carpi radialis

Answer 33

Origin: medial epicondyle of the humerus, medial border of the radius Insertion: the palmar side of the base of metacarpals 2,3 Action: flex the carpal joints

Question 34

Superficial digital flexor

Answer 34

Origin: medial epicondyle of the humerus Insertion: palmar surface of the proximal end of the middle phalanges of digits 2-5 Action: flex the carpal, metacarpalphalangeal, and the proximal interphalangeal joints of digits 2-5

Question 35

Deep digital flexor (3 parts)

Answer 35

Humeral head: origin: medial epicondyle of humerus Ulnar head: origin: proximal 3/4 of the caudal border of the ulna Radial head: origin: middle third of the medial border of the radius Insertion: flexor tubercle on the palmar surface of the distal phalanx of each digit Action: flex the carpal and metacarpophalangeal joints, and the proximal and distal interphalangeal joints of the digits

Question 36

Pronator quadratus

Answer 36

Attachments: applied surfaces of the radius and ulna Action: to probate the paw

Question 37

Proximal sesamoid bones

Answer 37

Location: palmar aspect of each metacarpophalangeal joint, in tendon of interosseous muscle

Question 38

Dorsal sesamoid bones

Answer 38

Location: dorsal side of each metacarpophalangeal joint, embedded in tendon of common digital extensor muscle

Question 39

Flexor Retinaculum

Answer 39

Palmar side of proximal phalanges

Question 40

Extensor retinaculum

Answer 40

Dorsal side of the carpals

Question 41

Deep antebrachial fascia

Answer 41

Covering the body, dryer sheet like

Question 42

Flexor maniac

Answer 42

Sleeve from the SDF for the DDF to go through and cross over top of it, located on the middle to distal phalanges area

Question 43

Palmar annular ligament

Answer 43

Crosses the flexor manica

Question 44

Superficial cervical lymph node

Answer 44

Pre-scapular lymph node