Thumb arthritis - MayoClinic.com - Mayo ClinicThumb arthritis — Comprehensive overview covers symptoms, treatment of osteoarthritis in your basal (carpometacarpal) joint.Carpometacarpal joint - Wikipedia, the free encyclopediaThe carpometacarpal (CMC) joints are five joints in the wrist that articulate the distal row of ... retaining function and to be elongated or absent in CMC joint arthritis.Carpometacarpal and scaphotrapeziotrapezoid arthritis: arthroscopy ...Osteoarthritis of the first carpometacarpal joint is the second most common site of osteoarthritis in humans. Symptomatic isolated scaphotrapeziotrapezoid joint...