Glenohumeral Joint

• Movements of Glenohumeral Joint:

  • Abduction
  • Adduction
  • Flexion
  • Extension
  • Internal Rotation
  • External Rotation
  • Horizontal Adduction
  • Horizontal Abduction
  • Circumduction
• Glenohumeral joint is the articulation between:

  • Spherical head of humerus
  • Shallow glenoid fossa of scapula
• Labrum: fibrocartilaginous rim, deepening glenoid fossa
• Capsular Ligaments

  A) Superior Glenohumeral Ligament

  B) Medial Glenohumeral Ligament

  C) Inferior Glenohumeral Ligament

  
• Additional Ligaments

  A) Coracoclavicular Ligament

  B) Coracoacromial Ligament

  C) Coracohumeral Ligament

  
• Name the 4 rotator cuffs:

  • Supraspinatus
  • Infraspinatus
  • Teres minor
  • Subscapularis
• Rotator cuffs:

  A) Supraspinatus

  B) Infraspinatus

  C) Subscapularis

  D) Teres Minor

  
• Pectoralis Major

  
• 2 areas of fibres in pectoralis major:

  • Clavicular fibres
  • Sternal fibres
• Coracobrachialis

  
• Biceps Brachii

  
• Subscapularis

  
• Infraspinatus

  
• Teres Minor

  
• Deltoids

  
• 3 areas of fibres in the deltoid:

  • Anterior fibres
  • Medial fibres
  • Posterior fibres
• Supraspinatus

  
• Latissimus Dorsi

  
• Teres Major

  
• Triceps Brachii