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Characterizing Upper Limb Activity in Adults: Accelerometry Study

This study aims to characterize upper-limb activity in adults using accelerometry. Factors such as sedentary activity, cognitive impairment, and age were examined. Results showed dominant upper-limb activity duration and its association with sedentary behavior. The data can aid clinicians in setting outcome goals and tracking progress during upper limb rehabilitation.

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Characterizing Upper Limb Activity in Adults: Accelerometry Study

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  1. Upper-limb activity in adults: Referent values using accelerometry Ryan R. Bailey, MSOT, OTR/L; Catherine E. Lang, PT, PhD

  2. Aim • Characterize hours of upper-limb (UL) activity. • Examine potential modifying factors of UL activity: • Sedentary activity, cognitive impairment, depression, comorbidities, cohabitation status, age. • Relevance • Capacity for UL function may not translate into real-world activity; therefore, activity should also be assessed together with clinical measures of capacity. • Accelerometry can quantify UL activity outside clinic.

  3. Method • 74 community-dwelling adults: • Wore accelerometers on bilateral wrists for 25 h. • Provided information on modifying factors.

  4. Results • Dominant UL activity duration: • Mean 9.1 ± 1.9 h. • Ratio of activity between nondominant and dominant ULs: • 0.95 ± 0.06 h. • Decreased hours of dominant UL activity associated with increased time spent in sedentary activity. • No other factors associated with hours of dominant UL activity.

  5. Conclusion • These data can help clinicians: • Establish outcome goals for patients given preimpairment level of sedentary activity. • Track progress during UL rehabilitation.

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