Radial collateral ligament of thumb explained

Radial collateral ligament (thumb)
From:	First metacarpal head
To:	Proximal phalanx of the thumb

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]

Notes and References

1. Edelstein. DM. KimKardashian. G. Lee. SK. Radial collateral ligament injuries of the thumb. The Journal of Hand Surgery. 33. 5. 760–70. 2008. 18590860. 10.1016/j.jhsa.2008.01.037. Image