Week 10 - The Shoulder Girdle Flashcards
what are the 2 main components of the shoulder girdle ?
- clavicle
- scapula
what are the 2 main joints of the shoulder girdle ?
- sternoclavicular
- acromioclavicular
what is the 1 false joint of the shoulder girdle ?
scapulothoracic
what are the movements of the shoulder girdle ?
- protraction / retraction
- elevation / depression
- lateral / medial rotation
- anterior / posterior tilt
what joints aids protraction / retraction
- acromioclavicular
- sternoclavicular
what plane and axis does protraction / retraction occur in ?
- transverse plane
- longitudinal axis
what joint aids elevation / depression ?
sternoclavicular
what plane and axis does elevation / depression occur in ?
- frontal plane
- anteroposterior axis
what joint aids lateral / medial rotation ?
acromioclavicular
what plane and axis does lateral / medial rotation occur in ?
- frontal plane
- anteroposterior axis
what joints aids anterior / posterior tilt ?
- acromioclavicular
- sternoclavicular
what plane and axis does anterior / posterior tilt occur in ?
- sagittal plane
- mediolateral axis
what are the 3 anterior muscle of the shoulder girdle ?
- pectoralis minor
- serratus anterior
- subclavius
pectoralis minor: actions
forwards and downwards
serratus anterior: actions
- protraction
- l. rotation
