Thumb arthritis - MayoClinic.com - Mayo ClinicThumb arthritis — Comprehensive overview covers symptoms, treatment of osteoarthritis in your basal (carpometacarpal) joint.Arthritis of the Thumb Basal Joint - e-Hand The Electronic ...The joint at the base of the thumb which allows for the swivel and pivoting motions of the thumb is referred to as the basal joint or thumb CMC (carpometacarpal) joint.Basal Joint Arthritis - Causes - Diagnosis - Symptoms - TreatmentBasal joint arthritis occurs in the joint at the base of the thumb. The condition develops from normal use, most commonly in women over 40.
