3. supra spinatus
surface
Spine of scapula
acromion
infra spinatus surface
Medial border
supra spinatus spine-
-- surface
infra spinatus surface
– Medial border of scapula Vertebral border
--
costal surface costal
– Coracoid process
-
Coracoid process
7. olecranon fossa- olecranon process- extension
flextion
Cornoid fossa --
fossa
-
- head of radius
–-
----
styloid process of ulna, styloid
process of radius