Fig. 3From: Arthroscopic partial trapeziectomy and tendon interposition for thumb carpometacarpal arthritisIntraoperative arthroscopic images. a Arthroscopic view of a 2.0-mm burr that was used to partially remove the trapezium. b Arthroscopic view demonstrating thermal shrinkage of the volar ligaments (AOLs) with the use of a radiofrequency electrothermal probeBack to article page