Shoulder Girldle Flashcards
Sternoclavicular Joint (SC)
B: sternum & clavicle
L: interclavicular, sternoclavicular, costoclavicular, articular disc
Acromioclavicular Joint (AC)
B: acromion process & clavicle
L: coracoclavicular, coraco-acromial, acromioclavicular
Scapulothoracic
Not a true joint
SC Joint actions
F: elevation, depression
H: protraction, retraction
S: rotation
AC Joint actions
H: scapular tilt, scapular winging
S: increased upward rotation
Shoulder Capsular Pattern
ER > ABD > IR
Upper Trap (O)
external occipital protuberance
superior nuchal line
cervical vertebrae spinous process
Upper Trap (I)
lateral 1/3 of clavicle
acromion process
Upper Trap (A)
Elevation, upward rotation, retraction.
B.U.: capital&cervical extension
Middle Trap (O)
spinous processes C7-T3
Middle Trap (I)
medial acromion aspect
scapular spine
Middle Trap (A)
Scapular Depression
Upward rotation
retraction
Lower Trap (O)
Spinous Process T4-T12
Lower Trap (I)
base of scapular spine
Lower Trap (A)
Scapular depression
upward rotation
retraction