Groups/Associations pre-midterm

Question 1

rotator cuff muscles

Answer 1

“SITS” all help to stabilize shoulder joint

1. Supraspinatus - abduct arm
2. Infraspinatus - external rotation
3. Teres minor - external rotation
4. Subscapularis - initiate elevation (abduction)

Question 2

Intrinsic shoulder muscles

Answer 2

7, originate on clavicle and scapula.
1-4: Rotator cuff mm (SITS - supraspinatus, infraspinatus, teres minor, subscapularis)
5. teres major
6. coracobrachialis
7. deltoid

Question 3

extrinsic shoulder muscles

Answer 3

1. latissimus dorsi

2. pectoralis major

Question 4

quadriceps muscles

Answer 4

4, extension of leg

1. rectus femoris
2. vastus medialis
3. vastus intermedius
4. vasuts lateralis

Question 5

hamstrings muscles

Answer 5

3, flexors of the leg

1. biceps femoris
2. semitendinosus
3. semimembranosus

Question 6

extensors in forearm

Answer 6

1, 2. extensor carpi radialis longus & brevis
3. extensor carpi ulnaris
4. extensor digitorum 
5. extensor indicis
6. extensor digiti minimi
7, 8. extensor pollucis longus & brevis

Question 7

flexors in forearm

Answer 7

1. flexor carpi radialis
2. flexor carpi ulnaris
   3, 4. flexor carpi digitorum profundus & superficialis
3. flexor digiti minimi brevis
   6, 7. flexor pollucis longus & brevis

Question 8

Cephalic vein runs with…

Answer 8

Deltoid branch of thoracoacromial artery,

In deltopectoral triangle

Question 9

Deltopectoral triangle

Answer 9

Where Cephalic vein (and deltoid branch of thoracoacromial artery run)
* here: Cephalic dives under clavicle to join subclavian vein

Question 10

Quadrangular space

Answer 10

• axillary n and posterior circumflex humeral artery emerge

Btwn Teres major and minor,
triceps brachii long head, and humerus

Question 11

Triangular space

Answer 11

*can see circumflex scapular artery through space

Btwn teres major, minor and triceps brachii long head

Question 12

Triangular interval

Answer 12

• see deep brachial artery and radial n

Btwn 2 heads of triceps brachii (long and lateral), and Teres major

Question 13

Artery along medial border of scapula

Answer 13

Dorsal scapular artery!

Question 14

1st 5 branches from brachial plexus

Answer 14

1. Long thoracic n
2. Dorsal scapular n
3. N to phrenic
4. N to Subclavius
5. Suprascapular n

Question 15

Musculocutaneous n pierces which m?

Answer 15

Coracobrachialis m!

Question 16

Travels with median n into cubical fossa

Answer 16

Brachial artery

Question 17

Runs with radial n in arm

Answer 17

Deep brachial artery

Runs with radial n down posterior upper arm

Question 18

right atrium of heart

Answer 18

DEoxygenated blood.

• Superior/inferior vena cavas, coronary sinus
• pectinate mm
• tricuspid valve
• fossa ovalis (emrbyo!)

Question 19

left atrium of heart

Answer 19

Oxygenated blood.

• 4 pulmonary veins
• pectinate mm
• bicuspid (mitral) valve

Question 20

right ventricle of heart

Answer 20

DEoxygenated blood.

• pulmonary trunk (artery) – pulmonary valve,
• • conus arteriosus! (infundibulum)
• trabeculae carnae AND papillary mm
• moderator band

Question 21

left ventricle of heart

Answer 21

oxygenated blood.

• aorta (aortic valve)
• papillary mm
• • thickest myocardium

Question 22

semilunar valves

Answer 22

aortic and pulmonary valves (btwn ventricles and major vessels)

Question 23

atrioventricular valves

Answer 23

tricuspid and bicuspid (Mitral) valves

Question 24

foramen ovale

Answer 24

(embryonic valve btwn atria)
foramen primaria,
- septum primarum and secundum

Question 25

great cardiac vein runs with ?

Answer 25

anterior interventricular artery

Question 26

middle cardiac vein runs with?

Answer 26

posterior interventricular artery

Question 27

small cardiac vein runs with ?

Answer 27

right marginal artery

Question 28

scapular winging

Answer 28

when long thoracic nerve is damaged | -- serratus anterior fail to protract (hold down) scapula

Question 29

dorsal root ganglion

Answer 29

sensory nerves ONly! (IN the back, out the front)

Question 30

ventral root

Answer 30

motor neurons olny

Question 31

triangle of auscultation

Answer 31

space with minimal muscular covering, btwn latissimus dorsi, trapezius, and rhomboid major. *Useful in listening to the heart (phsyical exam)

Question 32

a., runs with median n

Answer 32

``` Brachial artery (a = just lateral to median n) ``` *ulnar and medial antebrachial cutaneous nn also run close (medial)

Question 33

n., runs with radial artery

Answer 33

Superficial radial nerve

Question 34

a., runs with ulnar nerve

Answer 34

Ulnar artery

Question 35

Arteries, run btwn ulna and radius

Answer 35

Anterior and posterior Interosseous arteries, | ulnar a --> common Interosseous --> ant/post. intosseous aa