Shoulder Girdle Flashcards
What 2 bones are involved in the movement of shoulder girdle?
- Scapula
2. Clavilce
Joint between sternum and clavicle
Sternoclavicular joint
Joint between clavicle and acromion process
Acromioclavicular joint
What is the primary ligaments support the AC (acromioclavicular)
Cora-co-clavicular
True or false: Scapulothoracic join is a true synovial joint
Name why
False
-Because it’s completely dependent on movemetn at the SC ad AC joints
Adduction. (Retraction)
Movement of the scapula medially toward the spinal column, as pinching the shoulder blades together
Upward Rotation
Turning the glenoid fossa upward and moving the inferior angle uperiorly and laterally away from the spinal column to assist in raising the arm out to the side
What does the shoulder girdle provide? What does it serve?
- It provides dynamic stability of the scapula
- It severs as a relative bas of support for shoulder joint actvities such as throwing, batting, and blocking
What results in a forward shoulder posture?
- Scapula protractors and depressors becoming stronger
- Retractors becoming wealer