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. 2012 Jul;36(3):419-24.
doi: 10.1016/j.gaitpost.2012.03.025. Epub 2012 Apr 21.

Arm training in standing also improves postural control in participants with chronic stroke

Sandy McCombe Waller  1 , Michelle G Prettyman
Affiliations

Arm training in standing also improves postural control in participants with chronic stroke

Sandy McCombe Waller et al. Gait Posture. 2012 Jul.

Abstract

Purpose: To prove the concept that postural control will improve without specific balance control training during arm training in standing with individuals with chronic stroke.

Methods: Nine participants (mean age 64±7) received training involving hand orthotic assisted grasp, reach and release in standing 1 h, 3×'s/week for 6 weeks. Training focused on task completion with no explicit instructions provided for postural alignment, weight shift or balance strategy. Testing consisted of quantified measures using NeuroCom™ Balance Master, Berg Balance Scale (BBS) and Activities-specific Balance Confidence Scale (ABC).

Results: Post training participants demonstrate increased (p<.05) composite stability scores for sensory organization testing (mean 71.55±12.7-75.55±11). Velocity and directional control of COP weight shift improved for all 9 subjects with 6/9 achieving 100% target acquisition. Directional control improved (p<.05) for medial/lateral movements for all speeds and composite score. Anterior/posterior rhythmic weight shifting increased significantly in COP velocity control at moderate and fast velocities and composite score. Increases in mean BBS (p<.01) from 41.33±10.1-46.88±8.03 exceeded the clinically important cutoff for the scale. Balance confidence improved with ABC mean scores 70.22±14.5-79.55±12.86 (p<.05). Seven participants demonstrated changes above the minimally important difference for this scale.

Conclusions: Postural control improved following task oriented arm training in standing without explicit postural control goals, instruction or feedback challenging current training paradigms of isolated postural control training with conscious attention directed to center of pressure location and movement.

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Figures

Fig. 1
Fig. 1
Graphic representation of RWS (ML/AP) and LOS (exemplar subject #4 w/right sided paresis) pre (top row) and post (bottom row).
See this image and copyright information in PMC

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