Authors (Published years) The number of subjects Disease Time after onset Material of observation Duration of treatment Assessment of treatment Outcome
Franceschini et al. (2012) 102 (53EG, 49CG) Subacute stroke (hemorrhage, ischemia) 30±7 days observe video of daily routine tasks (3min) and imitation (2 min)×3 motor sequence×2/day                      4 weeks (5 sessions/week) 20 tasks (1task/day) FM, FAT, BBT, AS, FIM motor item Improvement in BBT after 4weeks                 Improvement lasted 4 to 5 months
Franceschini et al. (2010) 28 (only EG) Chronic stroke (ischemic, hemorrhage) NR observe video of hand daily actions (3 min) and imitation (2 min)×3 to 4 motor acts×2                      40 min/day, 4 weeks (5 days/week) FM, FAT, AS, FIM, BI Improvement of BI, FIM, FM, AS, FAT                                   Improvement lasted  2 months
Celnik et al. (2008) 8 Chronic stroke (unilateral cortical or
subcortical)
more than 1 year observe video display with the thumb movement of a healthy volunteer 30 min, 3 testing session (crossover design) TMS-evoked movement direction Change of TMS-evoked movement direction
Ertelt et al. (2007) 16(8EG, 8CG) Chronic stroke (ischemic of MCA) more than 6 months observe video of daily life hand and arm actions (6 min), and subject performed the observed action (6 min)  90 min/day, 18 working days (4 weeks) FAT, WMFT, SIS The improvement FAT, WMFT and SIS                             The improvement lasted for 8 weeks after the end of the intervention
EG: Experimental Group, CG: Control Group, NR: Not Reported, FM: Fugl-Meyer, FAT: Frenchay Arm Test, BBT: Box And Block Test, AS: Modified Ashworth Scale, FIM: Functional Independence Measure, BI: Modified Barthel Index, WMFT: Wolf Motor Function Test, SIS: Stroke Impact Scale
Table 1: Characteristics of studies examining the effect of action observation on upper limb function of stroke patients.