Upper Extremity Joints

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Upper Extremity Joints
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Sternoclavicular Joint
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Sternoclavicular Joint Ligaments

• Anterior Sternoclavicular prevents upward
  displacement of clavicle
• Posterior Sternoclavicular prevents upward
  displacement of clavicle
• Interclavicular prevents lateral displacement of
  clavicle
• Costoclavicular prevents lateral and upward
  displacement of clavicle

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Acromioclavicular Joint
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Acromioclavicular Joint Ligaments

• Superior Acromioclavicular Ligament
• Inferior Acromoclavicular Ligament
• Coracoclavicular Ligament
• Conoid
• Trapezoid

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Superior Acromioclavicular Ligament
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Inferior Acromoclavicular Ligament
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Coracoclavicular Ligament
Conoid
Trapezoid
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Glenohumeral Joint
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Glenohumeral Joint Ligaments

• Superior Glenohumeral Ligament
• Middle Glenohumeral Ligament
• Inferior Glenohumeral Ligament
• Coracohumeral Ligament

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Superior Glenohumeral Ligament
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Middle Glenohumeral Ligament
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Inferior Glenohumeral Ligament
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Inferior Glenohumeral Ligament
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Inferior Glenohumeral Ligament
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Coracohumeral Ligament
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Glenoid Labrum
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Glenoid Labrum
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Subacromial Bursa
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Joint Capsule
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Brachial Plexus
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Elbow Joint

• Articulations of elbow joint are
• Capitulum (lateral condyle of humerus) with the
  radius
• Trochlea (medial condyle of humerus) with the ulna

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Elbow Joint
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Elbow Joint Ligaments

• Ulnar Collateral Ligament(UCL)
• Radial Collateral Ligament
• Annular Ligament stabilizes and encircles the
  head of the radius

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Ulnar Collateral Ligament (UCL)-Upper Band
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Ulnar Collateral Ligament (UCL)-Upper Band
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Ulnar Collateral Ligament (UCL)-Oblique Band
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Ulnar Collateral Ligament (UCL)-Oblique Band
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Ulnar Collateral Ligament (UCL)-Posterior Band
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Ulnar Collateral Ligament (UCL)-Posterior Band
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Radial Collateral Ligament
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Radial Collateral Ligament
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Annular Ligament
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Olecranon Bursa
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Forearm Joints

• Superior Radioulnar pivot joint moving in a ring
  formed by the ulna and annular ligament
• Middle Radioulnar shaft of bones held together
  by the interosseus membrane
• Distal Radioulnar pivot joint formed by the
  head of ulna with a notch on the radius

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Superior Radioulnar
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Middle Radioulnar
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Distal Radioulnar
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Wrist Joint

• Articulation of the radius and ulna with the
  scaphoid, lunate, and triquetral

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Wrist Joint
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Wrist Joint Ligaments

• Ulnar Collateral Ligament
• Radial Collateral Ligament
• Volar Radiocarpal
• Dorsal Radiocarpal

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Ligaments (anterior)
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Ligaments (posterior)
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Ulnar Collateral Ligament
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Radial Collateral Ligament
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Volar Radiocarpal
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Dorsal Radiocarpal Ligament
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Flexor Retinaculum
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Median Nerve
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Sensory Nerve Distribution
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Intercarpal Joints
Palmar
Dorsal
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Carpometacarpal Joints
Dorsal
Palmar
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Metacarpalphalangeal Joints
Deep Transverse Metacarpal
Volar plate
Collateral
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Interphalangeal Joints (PIP)
Collateral
Volar Plate
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Interphalangeal Joints (DIP)
Collateral
Volar Plate