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Upper Extremity Joints

Dr. Banafshe Esmaeilzade , M.S., Ph.D. Deptartment of Anatomy Bushehr Univ. of Medical Sciences. Upper Extremity Joints. Sternoclavicular Joint. Anterior Sternoclavicular: prevents upward displacement of clavicle Posterior Sternoclavicular: prevents upward displacement of clavicle

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Upper Extremity Joints

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  1. Dr. BanafsheEsmaeilzade, M.S., Ph.D. Deptartment of Anatomy Bushehr Univ. of Medical Sciences Upper Extremity Joints

  2. Sternoclavicular Joint

  3. 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 Sternoclavicular Joint Ligaments

  4. Movement Trapezoid, scm, L.sca, Rhomboid Post: Trapezoid, Rhomboid Ant: serrator ant Subclavius, pectoralis min.

  5. Acromioclavicular Joint

  6. Superior Acromioclavicular Ligament • Inferior Acromoclavicular Ligament • Coracoclavicular Ligament • Conoid • Trapezoid Acromioclavicular Joint Ligaments

  7. Superior Acromioclavicular Ligament

  8. Coracoclavicular Ligament Conoid Trapezoid

  9. Glenohumeral Joint

  10. Glenoid Labrum

  11. Superior Glenohumeral Ligament Middle Glenohumeral Ligament Inferior Glenohumeral Ligament Coracohumeral Ligament Glenohumeral Joint Ligaments

  12. Superior Glenohumeral Ligament

  13. Middle Glenohumeral Ligament

  14. Inferior Glenohumeral Ligament

  15. Inferior Glenohumeral Ligament

  16. Inferior Glenohumeral Ligament

  17. Coracohumeral Ligament

  18. Rotator Cuff ant view

  19. Acromial Bursa >>

  20. movement

  21. Shoulder action = ? Shoulder muscle(s) = ? Deltoid Supraspinatus Abduction

  22. Shoulder action = ? Shoulder muscle(s) = ? Flexion Ant Deltoid Upper Pect Major Coracobrach.

  23. Shoulder action = ? Shoulder muscle(s) = ? Adduction Pect. Major (both) Coracobrachialis Latissimus Dorsi Teres Major

  24. Shoulder action = ? Shoulder muscle(s) = ? Extension Lats Teres Major Post. Deltoid Pectoralis Major (lower) Teres minor

  25. Shoulder action = ? Shoulder muscle(s) = ? External Rotation Infrspinatus Teres Minor Post. Deltoid

  26. External Rotation Internal Rotation Internal Rotation Subscapularis, Ant. Deltoid, Pect, Major, Lats. And Teres Major

  27. Rotator Cuff Exercises External Rotation Internal Rotation External Rotation Abduction (to work the supraspinatus)

  28. Elbow Joint

  29. Articulations of elbow joint are; • Capitulum (lateral condyle of humerus) with the radius • Trochlea (medial condyle of humerus) with the ulna Elbow Joint

  30. Ulnar Collateral Ligament(UCL) Radial Collateral Ligament Annular Ligament: stabilizes and encircles the head of the radius Elbow Joint Ligaments

  31. Ulnar Collateral Ligament (UCL) -Ant. Band

  32. Ulnar Collateral Ligament (UCL)-Ant Band

  33. Ulnar Collateral Ligament (UCL)-Posterior Band

  34. Ulnar Collateral Ligament (UCL)-Posterior Band

  35. Radial Collateral Ligament

  36. Radial Collateral Ligament

  37. Annular Ligament

  38. Olecranon Bursa

  39. Movement

  40. 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 Forearm Joints

  41. Superior Radioulnar

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