Does Task-Specific Training Improve Upper Limb Performance in Daily Life Poststroke?

The study included only people with chronic stroke (≥ 6 months post-stroke), so results may not apply to those in the early subacute phase. Accelerometers measure movement intensity and duration but cannot distinguish specific activities or movement quality (e.g., speed, accuracy). Small improvements in dexterity or specific task efficiency might have occurred but were not captured. The study used a single day of accelerometer data per week, which might not fully represent typical weekly patterns, though previous research suggests this is adequate. Participants were required to have mild-to-moderate paresis and sufficient cognitive skills, limiting generalizability to more severe or cognitively impaired populations.

The research was supported by the National Institutes of Health (Extramural). The text does not report any other conflicts of interest.

Do not conclude that task-specific training is ineffective for all outcomes. The trial showed improvements in clinical capacity (ARAT scores) for many participants. The null finding applies specifically to the transfer of these gains to daily life performance as measured by accelerometers, not to the capacity itself.