upper extremity anatomy Flashcards
types of acromion
flat
curve
hooked
ruptured
shoulder region
20 muscles
3 articulating bones
3 jts.
T2
sup. angle of scapula
T3
spine of scapula
T7
inf. angle of scapula
drop shoulder
weak upper trapz
lat. winging of scapula
rhomboids and trapz
medial winging
serratus anterior
o: upper 2/3 - teres minor
lower 1/3 - teres major
lateral border of scapula
insertion: lev. scapulae
rhomboids minor & major
serratus anterior
medial border of scapula
o: latissimus dorsi
i: serratus anterior
inferior angle of scapula
o: posterior deltoid
i: lower trapezius
spine of the scapula
aka “shoulder summit”
acromion process
deepens the glenoid fossa
glenoid labrum
pass: tendon of biceps brachii
protect: transverse humeral lig.
palpation: sh. er
bicipital groove
aka “ radial groove”
spiral groove
aka “ musculo spinal nerve”
radial nerve
N: norkin - 130-150
brunnstrom- 135
angle of inclination
lImits ER and inferior translation
coracohumeral ligament
limits SH. ER
GH ligament
mc cause of shoulder pain
subacromial bursitis
abduction, flexion ,internal rotation
anterior deltoid
abduction
medial deltoid
abduction, extension, external rotation
posterior deltoid