Radial collateral ligament of thumb

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Radial collateral ligament (thumb)
From first metacarpal head
To proximal phalanx of the thumb
Anatomical terminology

The radial collateral ligament of the thumb extends from the first metacarpal head to the proximal phalanx of the thumb. It is located on the radial side of the joint and is weaker than the ulnar collateral ligament of the thumb.[1]


  1. ^ Edelstein, DM; Kardashian, G; Lee, SK (2008). "Radial collateral ligament injuries of the thumb". The Journal of hand surgery. 33 (5): 760–70. doi:10.1016/j.jhsa.2008.01.037. PMID 18590860.  Image