Pre-practical Upper Limb Flashcards
What is the cavity of the shoulder joint called?
Glenoid cavity
What cartilage is found along the rim of the glenoid cavity?
Glenoid labrum
What bone acts as a link between the apical and axial skeletons?
Clavicle
What is the weakest pat of the shoulder capsule?
Inferior part
Name the ligaments supporting the shoulder capsule.
- Coraclavicular ligament
- Coracoacromial ligament
- Coracohumeral ligament
- Glenohumeral ligament
Which bursa is continuous with the synovial cavity of the shoulder cavity?
Subscapular bursa
Name the bursa of the shoulder joint.
- Subscapular bursa
- Subcoracoid bursa
- Subacromial bursa
Name the muscles of the rotator cuff.
- Subscapularis
- Supraspinatous
- Infraspinatous
- Teres minor
What is the scapula-humeral rhythm?
The scapula and humerus move in 1:2 ratio. When the arm is abducted 180 degrees, 60 degrees occurs by rotation of the scapula and 120 degrees by rotation of the humerus at the shoulder joint
What can scapular injury affect?
Movement at the shoulder joint
What movements can occur at the shoulder joint?
- Flexion and extension
- Medial and lateral rotation
- Abduction and adduction
- Circumduction
What are the movements of the scapula?
- Elevation
- Depression
- Adduction (retraction)
- Abduction (protraction)
- Upward rotation
- Downward rotation
What muscles are involved in depression off the scapula?
- Pec major
- Pec minor
- Latissimus dorsi
What muscles are involved in elevation of the scapula?
- Trapezius
- Levator scapulae
- Serratus anterior
What muscles are involved in retraction of the scapula?
- Trapezius
- Rhomboids
- Latissimus dorsi
What muscles are involved in protraction of the scapula?
- Levator scapulae
- Serratus anterior