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Upper Limb Part 1: Bones & Joints, The Brachial Plexus

Upper Limb Part 1: Bones & Joints, The Brachial Plexus. Nov. 8, 2005. Outline. Bones of the Upper Limb Joints of the Upper Limb Introduction to the Brachial Plexus. Thoracic cage and shoulder girdle. Anterior view. c/o CSU/Glaxo. Clavicle. Lateral. Medial.

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Upper Limb Part 1: Bones & Joints, The Brachial Plexus

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  1. Upper Limb Part 1:Bones & Joints, The Brachial Plexus Nov. 8, 2005

  2. Outline • Bones of the Upper Limb • Joints of the Upper Limb • Introduction to the Brachial Plexus

  3. Thoracic cage and shoulder girdle Anterior view c/o CSU/Glaxo

  4. Clavicle Lateral Medial Superior view,right Subclavian groove Inferior view, right

  5. Lateral Medial Articulation withmanubrium Clavicle “On edge” view

  6. Scapula Medial Lateral Costal (anterior) view, right Inferior

  7. Scapula Lateral view Posterior view c/o CSU/Glaxo

  8. Scapula Superior Border Superior Angle Lateral Angle Medial Border Lateral Border Costal (anterior) view, right Inferior Angle

  9. Lateral Medial Subscapular fossa Scapula Costal (anterior) view, right

  10. Spine Scapula Medial Lateral SupraspinousandInfraspinousfossas Doral (posterior) view, right

  11. Coracoid process Acromion Scapula Medial Lateral Doral (posterior) view, right

  12. Lateral Medial Neck Glenoidfossa Scapula Acromion Coracoid process Costal (anterior) view, right

  13. The Humerus Greater & lesser tubercles Greater tubercle Head Inter- tubercular groove Anatomical neck Surgical neck Deltoid tuberosity Lateral & medial epicondyles Posterior Anterior

  14. Anterior view c/o CSU/Glaxo

  15. Articulations of Shoulder Joint • Sternoclavicular (sternum – clavicle) • Acromioclavicular (clavicle – scapula) • Glenohumeral (clavicle – humerus)

  16. Sternoclavicular Joint

  17. Sternoclavicular Joint

  18. Acromioclavicular Joint

  19. Acromioclavicular Joint Acromioclavicular lig. Coracoclavicular ligs. Coracoacromial lig. Anterior

  20. Glenohumeral Joint

  21. Glenohumeral Joint Capsular lig.

  22. Movements at the Shoulder Joint • Abduction & elevation: • Humeral abduction (120 degrees; 2/3) • Scapular rotation (60 degrees; 1/3) • Clavicular rotation • Internal & external rotation • Flexion & extension • Adduction • Movements of scapula on thorax

  23. Head Olecranon process Neck Coronoidprocess Tuberosity RADIUS RADIUS ULNA Head Spinous process Spinous process Posterior Anterior

  24. The Elbow HUMERUS Coronoidfossa Capitulum Trochlea Radial notch Trochlear notch Head of radius Coronoidprocess RADIUS ULNA

  25. The Elbow Annular lig. of radius

  26. Forearm Pronated Forearm Supinated (anatomical position) Pronation & supination - humerus & radius

  27. Flexion & Extension Humerus, ulna & radius Radial collateral ligament Annular ligament

  28. Tendon of biceps brachii Ulnar collateralligament

  29. 3 capitate hamate trapezoid pisiform trapezium triquetrum Scaphoid lunate 2 4 Right hand palmar side 5 (digiti minimi) 1 (pollex) phalanges metacarpals carpals

  30. LIMB BUD

  31. WRIST LIGAMENTS????

  32. The Brachial Plexus • Sensory and motor to upper limb • Anterior rami of C5 – T1 • Pass out of neck between clavicle & scapula, into axilla • Roots • Trunks • Divisions • Cords • Nerves

  33. The Brachial Plexus

  34. Teres Major Main Artery to the Upper Limb Subclavian a. – until it crosses 1st rib Axillary a. – until it crosses teres major (has 3 parts – more later) Brachial a. – until it gets to the cubital fossa Subclavian a Axillary a. Brachial a

  35. Axillary Artery & Brachial Plexus

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