Big Picture - Exam 1

Question 1

What muscles insert into Intertubular groove of humerus

Answer 1

1) lat dorsi
2) pec major / teres major

Question 2

What muscles insert into greater tubercle of humerus?
(Hint: SITS)

Answer 2

1) Suprspinatus
2) Infraspinatus
3) Teres Minor

Question 3

What is the only muscle that inserts in the lesser tubercle of the humerus?

Answer 3

Subscapularis

Question 4

Only muscle to insert into medial humerus?

Answer 4

Coracobrachialis

Question 5

True or False: Triceps Brachii is a flexor and innervated by musculocutaneous n

Answer 5

False - extends forearm and innervated by radial n

Question 6

Subclavian becomes ____ and ___ a

Answer 6

Subclavian -> Axillary -> Brachial a

Question 7

What two muscles insert as medial scapula border?

Answer 7

1) rhomboid major
2) rhomboid minor

Question 8

What is the only muscle to be inserted into superior scapula?

Answer 8

Levarator scapulae

Question 9

Which muscles insert on ribs?

Answer 9

• serratous posterior inf (9-12)
• serratous posterior sup (2-5)
• levatores costarum

Question 10

What muscles ORIGINATE in ribs?

Answer 10

1) pec minor (3-5)
2) serratous anterior

Question 11

What two muscles are innervated by axillary n?

Answer 11

Deltoid
Teres minor

Question 12

What two muscles are innervated by subscapular n?

Answer 12

Sub-scapularis
Teres major

Question 13

What nerve innervates serratous anterior?

Answer 13

Long thoracic

Question 14

Which muscles laterally rotate arm?

Answer 14

Infraspinous
Teres minor

Question 15

What muscles allow for medial arm rotation?

Answer 15

1) sub-scapularis
2) teres major
3) pec major

Question 16

Which two muscles originate in posterior iliac crest and sacrum?

Answer 16

Erector Spine and Transversospinalis (deep back)

Question 17

What nerve innervated rhomboids and lev scapula?

Answer 17

Dorsal scapular n

Question 18

Only muscle that inserts into deltoid tuberosity of humerus?

Answer 18

Deltoid

Question 19

Only muscle that inserts in radial tuberosity? ulnar tuberosity?

Answer 19

Radial Tuberosity: Biceps brachii
Ulnar Tuberosity: Brachialis

Question 20

What two muscles insert into base of distal phalynx I?

Answer 20

Flexor Policis Longus (deep forearm flexor)

Extensor Policis Longus (deep forearm extensor)

Question 21

What class of muscles originate into the medial epicondyle?

A. Superficial back muscles
B. Deep back muscles
C. Arm muscles (tricep/biceps)
D. Superficial Forearm Flexors
E. Deep Forearm Extensors

Answer 21

D. Superficial Forearm Flexors

Question 22

What two muscles insert into base of MC V?

Answer 22

Extensor carpi ulnaris/ flexor carpi ulnaris

Question 23

What two muscles insert into base of MC II?

Answer 23

Flexor carpi radialis; extensor carpi radialis Longus

Question 24

What muscles inserts into base of MC I?

Answer 24

Abductor policus longus

Question 25

Only muscle to insert into base of proximal phalynx?

Answer 25

Extensor policis brevis

Question 26

What muscles insert at radius?

Answer 26

Brachioradialis Supinator Pronator Quadrus Pronator Teres

Question 27

What type of joints are united by fibrocartilage or hyaline? What type of joints are united by fibrous tissue?

Answer 27

Cartilagenous joints (IV discs) Fibrous joints (Cranial sutures, gomphosis, syndesmosis)

Question 28

Ball socket, condyloid, hinge, plane, etc. are examples of a ___ joint

Answer 28

synovial

Question 29

Dens is a feature of __ Mammillary processes are features of ___ Costal facets on body for articulating with ribs is a feature of ___

Answer 29

C2 Lumbar vertebrate Thoracic verebrate

Question 30

The Lateral contains sympathetic neuron cell bodies only in ___ and ___ spinal cord

Answer 30

thoracic and upper lumbar

Question 31

Motor neurons are found in ___ horn while sensory/interneurons are found in the ___

Answer 31

Ventral; dorsal horn

Question 32

Extension is greatest in what part of the spine? Flexion is greatest in what part of the spine?

Answer 32

Lumbar spine Cervical spine

Question 33

T/F: Spinal nerves exit via the IV foramina

Answer 33

True

Question 34

Femur is an example of a _____ bone while the patella is an example of ____ bone

Answer 34

long; seasmoid

Question 35

Short bones are ___ while flat bones are ___

Answer 35

carpals; parietal bone of cranium

Question 36

Limb bones and girdles make up ___ skeleton

Answer 36

Appendicular skeleton

Question 37

Both the lat dorsi and the lev scapulae inferiorly rotate the scapula. However, which one depresses/rotates pec girdle and which elevates pec girdle?

Answer 37

Lat dorsi - depress/retracts Pgirdle Lev scapulae - elevates Pgirdle

Question 38

Which deep muscle allows for unilateral, contralateral rotation of the trunk?

Answer 38

Transversospinalis

Question 39

Iliocostalis, Spinalis and Longissimus is associated with which deep back muscle? Semi-spinalis, multifidus, and rotatores is associated with which deep back muscle?

Answer 39

Erector Spinae Transverso Spinalis

Question 40

Semi-spinalis is located in ___ region and has ___ vertebrate while multifidus is located in the ____ region and has ____ vertebrates

Answer 40

cervical ; 4-6 lumbar; 2-4

Question 41

All sub-occipital muscles are innervated by what nerve?

Answer 41

Dorsal ramus of C1

Question 42

Rectus capitis posterior major and Obliqus capitis inferior are innervated by __

Answer 42

C2

Question 43

Which muscle group originates from the lateral epicondyle? A. Deep back muscles B. Superficial back muscles C. Superficial extensors of the forearm D. Deep extensors of the forearm

Answer 43

C. Superficial extensors of the forearm

Question 44

Origin of almost all deep forearm extensors?

Answer 44

Posterior ulnar/radius/int membrane

Question 45

Where do both the brachi (tricep/biceps) originate?

Answer 45

Glenoid process of scapular Tricep = inferior Biceps = superior