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Radius 3D

  • Description

    • * The radius is the lateral bone of the forearm and is homologous with the tibia of the lower limb.
    • * It has an upper-rounded end, a lower broad end with a styloid process, and a shaft.                                                                                                                                                                                                                                                                                                                        

  • Head of the radius:

    • * It articulates with the capitulum of the humerus and radial notch of the ulna.
    • * Annular ligament surrounds the head of the radius.                                                                                                                                                                                                                                                                                                                                                                                                                                                            
  • Distal end of Radius:
    • * It articulates with the proximal row of carpal bones, including the scaphoid, lunate, and triquetral bones, excluding the pisiform bone.                                                                                                                                                                                                                                          

  • Radial Tuberosity​​​​​​​:

    • * It is an oblong prominence just distal to the neck.
    • * It provides an attachment site for the biceps brachii tendon.                                                                                                                                              

  • Styloid Process​​​​​​​​​​​​​​:

    • * It is located on the distal end of the radius and is approximately 1 cm distal to the ulna.
    • * It provides insertion of the brachioradialis muscle.
    • * It can be palpated in the proximal part of the anatomic snuffbox between the extensor pollicis longus and brevis tendons.

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  • Description

    • * The radius is the lateral bone of the forearm and is homologous with the tibia of the lower limb.
    • * It has an upper-rounded end, a lower broad end with a styloid process, and a shaft.                                                                                                                                                                                                                                                                                                                        

  • Head of the radius:

    • * It articulates with the capitulum of the humerus and radial notch of the ulna.
    • * Annular ligament surrounds the head of the radius.                                                                                                                                                                                                                                                                                                                                                                                                                                                            
  • Distal end of Radius:
    • * It articulates with the proximal row of carpal bones, including the scaphoid, lunate, and triquetral bones, excluding the pisiform bone.                                                                                                                                                                                                                                          

  • Radial Tuberosity​​​​​​​:

    • * It is an oblong prominence just distal to the neck.
    • * It provides an attachment site for the biceps brachii tendon.                                                                                                                                              

  • Styloid Process​​​​​​​​​​​​​​:

    • * It is located on the distal end of the radius and is approximately 1 cm distal to the ulna.
    • * It provides insertion of the brachioradialis muscle.
    • * It can be palpated in the proximal part of the anatomic snuffbox between the extensor pollicis longus and brevis tendons.

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