constitution of nerve |
motor innervation |
m. supraspinatus m. infraspinatus |
innervation of the capsule of the glenohumeral articulation | therefore neurotrophic changes affecting the articular capsule can be influenced by its blockade | |
muscular function |
m. supraspinatus |
it participates in the abduction in the shoulder joint |
m. infraspinatus | it participates in the outer rotation in the glenohumeral articulation | |
symptom of disorder of muscular function |
m. supraspinatus | weakened abduction against
resistance
|
m. infraspinatus | weakened outer rotation
against resistance
|
|
causes |
direct trauma, it can occur after indirect trauma of more
distant place, f. e. Colles fracture of the forearm |
|
pain |
pain propagates along
distributive regions of n. radialis, it is localized most in the posterior
and lateral area of the shoulder with possible propagation into the arm |
|
disorder of sensitiveness |
none |
|
place of compression |
in the area of the foramen of nerve
suprascapularis on the scapula |