Shoulder Flashcards
3 true synovial joints of the shoulder
glenohumeral (GH)
sternoclavicular (SC)
acromioclavicular (AC)
3 bones of shoulder girdle
clavicle, humerus, scapula (coracoid, acromion)
2 functional joints of shoulder girdle
suprahumeral, scapulothoracic
2 accessory joints of shoulder girdle
costosternal, costovertebral
What level is spine of scapula at?
T3
What level is the inferior border of scapula?
T7
shoulder flexion
180 degrees
shoulder extension
60 degrees
shoulder abduction
180 degrees
horizontal adduction
130-140 degrees
horizontal abduction
40-55 degrees
external rotation
90 degrees
internal rotation
90 degrees
scapula downward rotation
turning on A/P axis so that the scapula rotates in frontal/coronal plane to tilt the glenoid fossa downward
scapula upward rotation
turning on A/P axis so that the scapula rotates in frontal/coronal plane to tilt the glenoid fossa upward