Abstract
Study background: Carpometacarpal joint osteoarthritis has an important functional consequence on Activity daily life. Pain, is the main reason for medical consultation described in the literature. Last years, outcomes based on self-report of function and patient satisfaction have become variables increasingly important for measurement improvement. Objective: Determinate the relationship between subjective variables (pain and function) and pinch and grip force in patients suffering from carpometacarpal joint osteoarthritis. Methods: Observational analytic design. Final sample consisted of 72 patients diagnosis of carpometacarpal joint osteoarthritis, grade 2/3 Eaton. Pain, Grip and pinch force were measured and compared to patient-report functional outcomes (DASH). Results: For function, the most significant model (R2=0.89) included grip, key, tip to tip and 3 points pinch. But it is tip to tip pinch force which has a stronger relationship with DASH (Standardized B: -736) questionnaire. Conclusion: Function referred by the patient depends on pinch, grip force and pain, but is tip to tip pinch force the best predictor of function in a lineal correlation.
Highlights
Degenerative thumb process have an important functional consequences due to compensatory movements that have been unbalanced the musculoskeletal system during the development of the disease, causing pain and decreased mobility [1].Joints typically affected in hand degenerative process are usually the interphalangeal and metacarpophalangeal joint with particular impact on the thumb, which is the key to understanding most of hand functional movements
Function referred by the patient depends on pinch, grip force and pain, but is tip to tip pinch force the best predictor of function in a lineal correlation
Final sample consisted of a group of 72 people who had been diagnosed of CMC joint osteoarthritis, 59 women and 13 men with a mean age of 59,97 ± 8,3
Summary
Function referred by the patient depends on pinch, grip force and pain, but is tip to tip pinch force the best predictor of function in a lineal correlation.
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