Upper Extremity Joints

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Upper Extremity Joints

• Dr. Banafshe Esmaeilzade, M.S., Ph.D.
• Deptartment of Anatomy
• Bushehr Univ. of Medical Sciences

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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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Movement
Trapezoid, scm, L.sca, Rhomboid
Post Trapezoid, Rhomboid
Ant serrator ant
Subclavius, pectoralis min.
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Acromioclavicular Joint
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(No Transcript)
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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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Coracoclavicular Ligament
Conoid
Trapezoid
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Glenohumeral Joint
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(No Transcript)
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Glenoid Labrum
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(No Transcript)
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(No Transcript)
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Glenohumeral Joint Ligaments

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

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(No Transcript)
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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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(No Transcript)
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Rotator Cuff ant view
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Acromial Bursa gtgt
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movement
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Shoulder action ? Shoulder muscle(s) ?
Deltoid Supraspinatus
Abduction
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Shoulder action ? Shoulder muscle(s) ?
Flexion
Ant Deltoid Upper Pect Major Coracobrach.
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Shoulder action ? Shoulder muscle(s) ?
Adduction
Pect. Major (both) Coracobrachialis Latissimus
Dorsi Teres Major
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Shoulder action ? Shoulder muscle(s) ?
Extension
Lats Teres Major Post. Deltoid Pectoralis Major
(lower) Teres minor
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Shoulder action ? Shoulder muscle(s) ?
External Rotation
Infrspinatus Teres Minor Post. Deltoid
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External Rotation
Internal Rotation
Internal Rotation
Subscapularis, Ant. Deltoid, Pect, Major, Lats.
And Teres Major
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Rotator Cuff Exercises
External Rotation
Internal Rotation
External Rotation
Abduction (to work the supraspinatus)
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Elbow Joint
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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 Ligaments

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

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(No Transcript)
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Ulnar Collateral Ligament (UCL) -Ant. Band
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Ulnar Collateral Ligament (UCL)-Ant 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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(No Transcript)
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Olecranon Bursa
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Movement
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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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(No Transcript)
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Middle Radioulnar
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Distal Radioulnar
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Wrist Joint (radiocarpal )

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

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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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movement
Flexion Extention Abduction Adduction Circumducti
on
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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