'Assessments' are useless unless they are used to point to EXACT 100% RECOVERY PROTOCOLS! Since this didn't do that, I'd have EVERYONE FIRED!
The Bimanual Observation of The Hands (BOTH): Development, reliability, and validity for stroke rehabilitation
- Debbie Rand,
- Nitsan Omer,
- Amihai Levkoviz,
- Samar Assadi Khalil
- Published: January 7, 2025
- https://doi.org/10.1371/journal.pone.0316356
Abstract
Importance
To efficiently perform bimanual daily tasks, bimanual coordination is needed(Hell, I've not done anything bimaual in the past 18 years and I'm functioning quite well! All because my stroke medical 'professionals' completely failed at curing my spasticity, thus never getting to 100% recovery!). Bimanual coordination is the interaction between an individual’s hands, which may be impaired post-stroke, however clinical and functional assessments are lacking and research is limited.
Objectives
To develop a valid and reliable observation tool to assess bimanual coordination of individuals post-stroke.
Participants
Occupational therapists (OTs) with stroke rehabilitation experience and individuals post stroke.
Outcomes and measures
The development and content validity of BOTH included a literature review, review of existing tools and followed a 10-step process. The conceptual and operational definitions of bimanual coordination were defined as well as scoring criteria. Then multiple rounds of feedback from expert OTs were performed. OTs reviewed BOTH using the ‘Template for assessing content validity through expert judgement’ questionnaire. Then, BOTH was administered to 51 participants post-stroke. Cronbach’s alpha was used to verify internal reliability of BOTH and construct validity of BOTH was assessed by correlating it to the bimanual subtests of The Purdue Pegboard Test.
Results
Expert validity was established in two-rounds with 11 OTs. Cronbach’s alpha was α = 0.923 for the asymmetrical items, 0.897 for the symmetrical items and 0.949 for all eight items. The item-total correlations of BOTH were also strong and significant. The total score of BOTH was strongly significantly correlated with The Purdue–Both hands placement (r = .787, p < .001) and Assembly (r = .730, p < .001) subtests.
Conclusions and relevance
BOTH is a new observation tool to assess bimanual coordination post-stroke. Expert validity of BOTH was established, excellent internal reliability and construct validity were demonstrated. Further research is needed, so in the future, BOTH can be used for clinical and research purposes to address bimanual coordination post-stroke.
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