第一腕掌关节炎医学百事通转载TMCjointNamedforthebonesthatmakeupthebasejointofthethumb-thetrapezium,oneofthesmallCarpalbonesofthewrist,andtheMetacarpalorlongboneofthethumbPolyaxialmobilityofdigits,especiallythethumb,enablesustograspobjectsofdifferingshapesandsizesThethumbiscapableofflexion-extension,abduction-adductionandrotationa...
