Posterior Shoulder and Arm Flashcards
deltoid attachments
clavular part-lateral one third of clavicle
acromial-acromin
spinal-scapular spine
deltoid tuberosty
deltoid innervation and vert
axilary nerve c5-6
deltoid actions
clavular-flex, interally rotate, adduct
arcomial-abduct
spinal-adduct, extend, externally rotate
60 to 90 degrees of abduction-all three work together
quadrangular space
-what makes boundaries (top/side/etc.)
what passes through here
superior-teres minor
inferior-trees major
medial-long head of tricep
lateral-humerous
posterior humeral circumflex artery and axillary nerve pass through here
teres minor attachemtsn
lateral border of scapula
inserts into greater tuberosity of humerous
teres minor innervation
axillary nerve c5-6
teres minor actions
externally rotate
weak adduction
teres major attachemnts
inferior angle of scapula
crest of lesser suberoisty
teres major innervation
lower sub scapular nerve c5-7
teres major actions
internally rotate, adduct, extend arm
long head of tricep brachii attachments
MOST MEDIAL HEAD
inragelnoid tubercle of scapula
olecranon of ulna
long head of tricep brachii innervation
radial nerve c6-8
long head of tricep brachii actions
extend forarm at elbow joint
extend and adduct arm at shoulder joint
triceps hiatus
where
what defines it
what is inside it
on posterior arm
superior-trees major
medial-long head of tricep
lateral-humerous
radial nerve-medial to profunda brachii
triangular space
what defines it
what is inside it
superioer-teres minor
inferior-trees major
lateral-long head of tricep
circumflex scapular is in here
supraspinatus attachments
supraspinous fossa of scapula
greater tuberosity of humerous
supraspinatus innervation
suprascapular nerve c4-6
supraspinatus actions
abduct arm at shoulder
infraspinatus attachemnts
infraspinatous fossa of scapula
ends at greater tuberosity of humerous
infraspinatus innervation
suprascaupular nerve c4-6
infraspinatus actions
externally rotate arm
scapular notch
where is it
what is in it
-where are these things going
under supraspinatous
surascauplar artery is above ligament
suprascupalr nerve is under ligament
-moving to infraspinous fossae
medial border
boundary is scapula (most medial side side)
has dorsal scapular artery and nerve running down it
lateral head of triceps brachii attachemtns
lateral intermuscular septum (on scapula) and posterior humorous superior to radial groove
inserts into olecranon of ulna
lateral head of triceps brachia innervation
radial nerve c6-8
lateral head of triceps brachii actions
extend forearm and elbow joint
extend and adduct arm at shoulder
medial head of tricept attachemnts
medial intermuscular septum (scapula) and posterior humorous inferior to radial groove
olecranon of ulna
medial head of tricept innervation
radial nerve c6-8
medial head of tricept actions
extend forearm at elbow
adduct arm at shoulder joint
anconeus attachments
lateral epicondyle of humorous (or posterior joint capsule)
radial surface of ulna
anconeus innervation
radial nerve c6-8
anconeus actions
extend forarm at below joint and stabilize elbow joint
