Thumb Metacarpophalangeal Hyperextension in an Arthritic Population; Part 2

Inclusion Criteria: * • Adults (18 years of age or older) * Patients presenting with symptomatic 1st CMC arthritis with or without scaphotrapeziotrapezoid arthritis * Eaton Classification stage II, III, or IV OA of the first CMC joint based on xrays * Patients who plan to undergo a ligament reconstruction and tendon interposition (LRTI) or thumb suspensionplasty procedure within 6 months of enrolling to study * Patients with greater than 20 degrees of passive MP Hyperextension o Screened by surgeons upon first evaluation in clinic * Bilateral thumbs included Exclusion Criteria: * • \<18 years age * Prior surgical history of ipsilateral 1st CMC arthroplasty or procedures involving thumb MP or CMC joints * Prior ipsilateral 1st ray deformity or malunion, distal radial malunion or nonunion, 2nd ray amputation or deformity * Prior ipsilateral tendon rupture or ipsilateral peripheral nerve palsy * Inflammatory arthritis * Post-traumatic CMC arthritis * Prior trauma to the MP or CMC joints * Diagnosis of Ehler-Danlos syndrome or other connective tissue disorder * Concomitant treatment of the MP joint