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  • Title: Kinematic upper extremity performance in people with near or fully recovered sensorimotor function after stroke.
    Author: Thrane G, Sunnerhagen KS, Persson HC, Opheim A, Alt Murphy M.
    Journal: Physiother Theory Pract; 2019 Sep; 35(9):822-832. PubMed ID: 29658813.
    Abstract:
    Background: Clinical scales for upper extremity motor function may not capture improvement among higher functioning people with stroke. Objective: To describe upper extremity kinematics in people with stroke who score within the upper 10% of the Fugl-Meyer Assessment (FMA-UE) and explore the ceiling effects of the FMA-UE. Design: A cross-sectional study design was used. Participants: People with stroke were included from the Stroke Arm Longitudinal Study at University of Gothenburg together with 30 healthy controls. The first analysis included participants who achieved FMA-UE score > 60 within the first year of stroke (assessed at 3 days, 2 weeks, 4 weeks, 3 months, or 12 months post stroke). The second analysis included participants with submaximal FMA-UE (60-65 points, n = 24) or maximal FMA-UE score (66 points, n = 21) at 3 months post stroke. Measurements: The kinematic analysis of a standardized drinking task included movement time, velocity and strategy, joint angles of the elbow, and shoulder and trunk displacement. Results: The high FMA-UE stroke group showed deficits in seven of eight kinematic variables. The submaximal FMA-UE stroke group was slower, had lower tangential and angular peak velocity, and used more trunk displacement than the controls. In addition, the maximal FMA-UE stroke group showed larger trunk displacement and arm abduction during drinking and lower peak angular velocity of the elbow. Conclusions: Participants with near or fully recovered sensorimotor function after stroke still show deficits in movement kinematics; however, the FMA-UE may not be able to detect these impairments.
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