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Slideshow: Radius

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Slideshow: Radius

  1. 1. The Radius
  2. 2. The Radius The Radius is one of two bones in the forearm
  3. 3. The Radius The Radius is one of two bones in the forearm It lies laterally
  4. 4. The Ulna lies medially
  5. 5. The Radius The Radius is a long bone Right side, posterior view
  6. 6. The Radius It is divided into thirds along its length Right side, posterior view
  7. 7. The Radius It is divided into thirds along its length Right side, posterior view
  8. 8. The Radius It is divided into thirds along its length Proximal third Right side, posterior view
  9. 9. The Radius It is divided into thirds along its length Proximal third Middle third Right side, posterior view
  10. 10. The Radius It is divided into thirds along its length Proximal third Middle third Distal Third Right side, posterior view
  11. 11. The Radius The Radius Articulates at the proximal end with the Humerus at the Elbow Joint
  12. 12. The Radius The Radius Articulates at the distal end with the Carpus at the Wrist Joint
  13. 13. The Radius The Radius Articulates at both ends with the ulna at the Proximal Radio-Ulnar Joint
  14. 14. The Radius The Radius Articulates at both ends with the ulna at the Proximal Radio-Ulnar Joint Distal Radio-Ulnar Joint
  15. 15. The Radius Oblique View Anterior View (Supination) Proximal Radius Right side
  16. 16. The Radius Oblique View Anterior View (Supination) Head of Radius Right side
  17. 17. The Radius Oblique View Anterior View (Supination) Head of Radius articulates with Capitulum of the Distal Humerus Right side
  18. 18. Capitulum of Distal Humerus articulates with Head of Proximal Radius The Radius Right side
  19. 19. The Radius Oblique View Anterior View (Supination) Neck of Radius Right side
  20. 20. The Radius Oblique View Anterior View (Supination) Neck of Radius surrounded by the Annular Ligament Right side
  21. 21. The Radius Oblique View Anterior View (Supination) Neck of Radius surrounded by the Annular Ligament This allows the Radius to rotate around the Ulna in Pronation and Supination Right side
  22. 22. Elbow Joint Supination Pronatio n
  23. 23. Elbow Joint Supination Pronatio n
  24. 24. The Radius Oblique View Anterior View (Supination) Radial Tuberosity Right side
  25. 25. The Biceps muscles attaches distally to the radius It flexes the elbow joint and supinates the forearm Radial Tuberosity The Radius
  26. 26. The Radius Dorsal aspect Distal Radius Lateral Medial Right side
  27. 27. The Radius Dorsal aspect Radial Styloid This is the lateral side because the Radial Styloid is prominent distally Medial Right side
  28. 28. The Radius Distal Radius – Lateral View Anterior / Volar Surface Posterior / Dorsal Surface
  29. 29. The Radius Distal Radius – Lateral View The Volar Surface has a gentle curve in the Anterior or Volar direction Anterior / Volar Surface Posterior / Dorsal Surface
  30. 30. The Radius Radial Styloid – Lateral View Anterior / Volar Surface Posterior / Dorsal Surface
  31. 31. The Radius Dorsal aspect Lister’s Tubercle Lateral Medial Right side
  32. 32. The Radius Dorsal View Lister’s Tubercle Lateral Medial Tendon of Extensor Pollicis Longus courses just medial to the Tubercle
  33. 33. The Radius The groove for tendon of Extensor Carpi Radialis Brevis lies just lateral to Lister’s Tubercle Dorsal aspect Lister’s Tubercle Lateral Medial
  34. 34. The Radius The groove for tendon of Extensor Carpi Radialis Longus lies just lateral to the groove for Extensor Carpi Radialis Brevis Dorsal aspect Lister’s Tubercle Lateral Medial
  35. 35. The Radius Dorsal aspect Lister’s Tubercle Lateral Medial The groove for tendon of Extensor Pollicis Longus lies just medial to Lister’s Tubercle
  36. 36. The Radius Dorsal aspect Lister’s Tubercle Lateral Medial The groove for tendons of Extensor Digitorum Extensor Indicis lies just medial to Extensor Pollicis Longus
  37. 37. The Radius Distal Radius Articular Surface Posterior / Dorsal Surface Anterior / Volar Surface
  38. 38. The Radius Distal Radius Articular Surface Posterior / Dorsal Surface Anterior / Volar Surface Lateral Fossa articulates with the Scaphoid
  39. 39. The Radius Distal Radius Articular Surface Posterior / Dorsal Surface Anterior / Volar Surface Medial Fossa articulates with the Lunate
  40. 40. The Radius Posterior / Dorsal Surface Anterior / Volar Surface This region – the Ulnar Notch articulates with the distal ulna at the Distal Radio-Ulnar Joint
  41. 41. Posterior view Muscles attaching to dorsal aspect of Radius Supinator
  42. 42. Posterior view Muscles attaching to dorsal aspect of Radius Supinator
  43. 43. Posterior view Muscles attaching to dorsal aspect of Radius Pronator Teres
  44. 44. Posterior view Muscles attaching to dorsal aspect of Radius Pronator Teres
  45. 45. Posterior view Muscles attaching to dorsal aspect of Radius Pronator Teres
  46. 46. Posterior view Muscles attaching to dorsal aspect of Radius Abductor Pollicis Longus
  47. 47. Posterior view Muscles attaching to dorsal aspect of Radius Extensor Pollicis Brevis
  48. 48. Posterior view Muscles attaching to dorsal aspect of Radius Extensor Pollicis Brevis
  49. 49. Posterior view Muscles attaching to dorsal aspect of Radius Brachioradialis
  50. 50. Posterior view Muscles attaching to dorsal aspect of Radius Brachioradialis
  51. 51. The Radius Muscles attaching to Volar Aspect Biceps
  52. 52. The Radius Muscles attaching to Volar Aspect Biceps
  53. 53. The Radius Muscles attaching to Volar Aspect Supinator
  54. 54. The Radius Muscles attaching to Volar Aspect Supinator
  55. 55. The Radius Flexor Digitorum Superficialis Radial Head Muscles attaching to Volar Aspect
  56. 56. The Radius Flexor Digitorum Superficialis Radial Head Muscles attaching to Volar Aspect
  57. 57. The Radius Flexor Pollicis Longus Muscles attaching to Volar Aspect
  58. 58. The Radius Flexor Pollicis Longus Muscles attaching to Volar Aspect
  59. 59. Muscles attaching to Volar Aspect The Radius Pronator Teres
  60. 60. Muscles attaching to Volar Aspect The Radius Pronator Teres
  61. 61. The Radius Pronator Quadratus Muscles attaching to Volar Aspect
  62. 62. The Radius Pronator Quadratus Muscles attaching to Volar Aspect
  63. 63. The Radius Brachioradialis Muscles attaching to Volar Aspect
  64. 64. The Radius Brachioradialis Muscles attaching to Volar Aspect Posterior view
  65. 65. Summary of Muscles Attaching to the Radius • Abductor Pollicis Longus • Biceps • Brachioradialis • Extensor Pollicis Brevis • Flexor Digitorum Superficialis • Flexor Pollicis Longus • Pronator Teres • Pronator Quadratus • Supinator

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