Posterior Shoulder and Arm

Question 1

deltoid attachments

Answer 1

clavular part-lateral one third of clavicle

acromial-acromin

spinal-scapular spine

deltoid tuberosty

Question 2

deltoid innervation and vert

Answer 2

axilary nerve c5-6

Question 3

deltoid actions

Answer 3

clavular-flex, interally rotate, adduct

arcomial-abduct

spinal-adduct, extend, externally rotate

60 to 90 degrees of abduction-all three work together

Question 4

quadrangular space
-what makes boundaries (top/side/etc.)

what passes through here

Answer 4

superior-teres minor
inferior-trees major
medial-long head of tricep
lateral-humerous

posterior humeral circumflex artery and axillary nerve pass through here

Question 5

teres minor attachemtsn

Answer 5

lateral border of scapula

inserts into greater tuberosity of humerous

Question 6

teres minor innervation

Answer 6

axillary nerve c5-6

Question 7

teres minor actions

Answer 7

externally rotate

weak adduction

Question 8

teres major attachemnts

Answer 8

inferior angle of scapula

crest of lesser suberoisty

Question 9

teres major innervation

Answer 9

lower sub scapular nerve c5-7

Question 10

teres major actions

Answer 10

internally rotate, adduct, extend arm

Question 11

long head of tricep brachii attachments

Answer 11

MOST MEDIAL HEAD

inragelnoid tubercle of scapula

olecranon of ulna

Question 12

long head of tricep brachii innervation

Answer 12

radial nerve c6-8

Question 13

long head of tricep brachii actions

Answer 13

extend forarm at elbow joint

extend and adduct arm at shoulder joint

Question 14

triceps hiatus

where

what defines it

what is inside it

Answer 14

on posterior arm

superior-trees major
medial-long head of tricep
lateral-humerous

radial nerve-medial to profunda brachii

Question 15

triangular space

what defines it

what is inside it

Answer 15

superioer-teres minor
inferior-trees major
lateral-long head of tricep

circumflex scapular is in here

Question 16

supraspinatus attachments

Answer 16

supraspinous fossa of scapula

greater tuberosity of humerous

Question 17

supraspinatus innervation

Answer 17

suprascapular nerve c4-6

Question 18

supraspinatus actions

Answer 18

abduct arm at shoulder

Question 19

infraspinatus attachemnts

Answer 19

infraspinatous fossa of scapula

ends at greater tuberosity of humerous

Question 20

infraspinatus innervation

Answer 20

suprascaupular nerve c4-6

Question 21

infraspinatus actions

Answer 21

externally rotate arm

Question 22

scapular notch

where is it

what is in it
-where are these things going

Answer 22

under supraspinatous

surascauplar artery is above ligament

suprascupalr nerve is under ligament
-moving to infraspinous fossae

Question 23

medial border

Answer 23

boundary is scapula (most medial side side)

has dorsal scapular artery and nerve running down it

Question 24

lateral head of triceps brachii attachemtns

Answer 24

lateral intermuscular septum (on scapula) and posterior humorous superior to radial groove

inserts into olecranon of ulna

Question 25

lateral head of triceps brachia innervation

Answer 25

radial nerve c6-8

Question 26

lateral head of triceps brachii actions

Answer 26

extend forearm and elbow joint

extend and adduct arm at shoulder

Question 27

medial head of tricept attachemnts

Answer 27

medial intermuscular septum (scapula) and posterior humorous inferior to radial groove

olecranon of ulna

Question 28

medial head of tricept innervation

Answer 28

radial nerve c6-8

Question 29

medial head of tricept actions

Answer 29

extend forearm at elbow

adduct arm at shoulder joint

Question 30

anconeus attachments

Answer 30

lateral epicondyle of humorous (or posterior joint capsule)

radial surface of ulna

Question 31

anconeus innervation

Answer 31

radial nerve c6-8

Question 32

anconeus actions

Answer 32

extend forarm at below joint and stabilize elbow joint