Anatomy Test 2

Question 1

· Transverse Pectoral origin and Insertion

Answer 1

O: 1st 3 sternebrae

I: crest of the greater tubercle of the humerus

Question 2

Cleidomastoideus Origin and Insertion

Answer 2

Origin: clavicular intersection
Insertion: mastoid process of the skull

Question 3

Cleidocervicalis Origin and Insertion

Answer 3

Origin: clavicular intersection
Insertion: dorsal midline of neck

Question 4

Descending Pectoral O& I

Answer 4

O: 1st sternebrae

I: crest of the greater tubercle

Question 5

Cleidobrachialis O&I

Answer 5

O: clavicular intersection
I: distal end of the cranial border of humerus

Question 6

Deep pectoral O&I

Answer 6

O: Sternum

I: lesser tubercle of the humerus

Question 7

Action of pectoral muscles

Answer 7

Adduct forearm and prevent abduction when weight bearing

Question 8

Action of brachiocephalicus muslces

Answer 8

Advance limb and extend shoulder joint; draw head and neck to the side

Question 9

Omotransversarius O&I

Answer 9

O:atlas
I:distal end of spine of scapula

Question 10

Omotransversarius action

Answer 10

Advance limb and flex neck laterally

Question 11

Trapezius O&I

Answer 11

O: median raphe, supraspinous ligament (C3-T9)
I: Spine of scapula

Question 12

Trapezius Action

Answer 12

Elevates and abducts forelimb. helps hold scapula to body if weight bearing

Question 13

Rhomboideus Capitis O&I

Answer 13

O: Nuchal crest

I; Dorsal border of scapula

Question 14

Rhomboideus Cervicis O&I

Answer 14

O:Median Raphe of neck
I:Dorsal of scapula

Question 15

Rhomboideus Thoracis O&I

Answer 15

O: Spinous process T1-T7
I: Dorsal border of scapula

Question 16

Rhomboideus Action

Answer 16

Elevate forelimb and draw scapula against trunk

Question 17

Latissimus Dorsi O&I

Answer 17

O: spinous process of lumbar and thoracic vertebrate
I: teres major tuberosity

Question 18

Latissimus Dorsi action

Answer 18

Move limb caudally-flex shoulder

Question 19

Sternocephalicus

Answer 19

O: Manubrium
Insertion:
Mastoid part-mastoid part of temporal bone
Occipital part-Nuchal crest of the occipital bone

Question 20

Sternocephalicus action

Answer 20

draw head and neck to the side

Question 21

Sternohyoideus

Answer 21

O:Manubrium
I:Basihyoid

Question 22

Sternothyroideus

Answer 22

O:manubrium
I: thyroid cartilage

Question 23

Sternohyoideus and sternothyroideus action

Answer 23

pull tongue and larnyx caudally

Question 24

Whats in the carotid sheath?

Answer 24

Common carotid artery, vagosympathetic trunk, internal jugular, and tracheal lymphatic trunk

Question 25

2 parts of deltoideus

Answer 25

scapular part and acromial part

Question 26

Supraspinatus O and I

Answer 26

O: supraspinous fossa I: greater tubercle of the humerus

Question 27

Supraspinatus action

Answer 27

Extend and stabilize shoulder

Question 28

Teres major O&I

Answer 28

O: caudal border of scapula I:teres major tuberostiy

Question 29

Teres major action

Answer 29

Flex shoulder, rotate should medially. Prevent lateral rotation of shoulder when weightbearing

Question 30

Triceps Long head O&I

Answer 30

O:Caudal border of scapula I: olecranon tuber

Question 31

Triceps lateral head O&I

Answer 31

o: Tricipital line I: olecranon tuber

Question 32

Triceps accessory head O&I

Answer 32

O: neck of the humerus I: olecranon tuber

Question 33

Triceps medial head O& I

Answer 33

O: crest of lesser tubercle of the humerus (near the teres major) I: olecranon tuber

Question 34

Triceps brachii action

Answer 34

to extend the elbow. Long head also flexes shoulder joint

Question 35

Biceps brachii O&I

Answer 35

O: supraglenoid tubercle of the scapula I: ulnar and radial tuberosities

Question 36

Biceps brachii action

Answer 36

Flex elbow

Question 37

Where is the transverse humeral retinaculum?

Answer 37

goes between greater and lesser tubercle-right across tendon of bicep brachii

Question 38

Flexors of the shoulders

Answer 38

Latissmus dorsi, deltoideus, teres major, teres minor, long head of the triceps brachii DTT is innervated by the axillary nerve-if damage occurs the thoracolumbar nerve that innervates the latissmus dorsi can take over

Question 39

Extensors of the shoulder

Answer 39

Supraspinatus, brachiocephalicus

Question 40

Flexors of the elbow

Answer 40

biceps brachii, brachialis (musculocutaneous nerve)

Question 41

Extensors of the elbox

Answer 41

Triceps, anconeus (Radial nerve)

Question 42

Extensors of the carpus

Answer 42

ECLU

Question 43

Flexors of the carpus

Answer 43

Flexor carpii ulnaris, SDF, DDF, flexor carpii radialis

Question 44

Suprascapular nerve innervates...

Answer 44

supraspinatus and infraspinatus. damage causes sweeney

Question 45

Axilllary nerve innervates

Answer 45

Deltoideus, teres major, teres minor

Question 46

Musculocutaneous nerve innervates

Answer 46

Biceps brachii, brachialis, coracobrachialis

Question 47

Radial nerve innervates

Answer 47

Triceps brachii, anconeus, tensor fasciae antebrachii and ECLU Splits up into 2: superficial and deep branch Superficial branch: sensory Deep branch: motor

Question 48

Ulnar and median nerve innervates...

Answer 48

Flexors of the carpus,