Abstract
Objective
To verify the suitability and reliability of YouTube videos pertaining to the 5 most
commonly used knee stability tests for educational purposes.
Design
Cross-sectional observational study.
Setting
YouTube videos were categorized into 2 groups according to their sources: professional
and nonprofessional groups. Only videos that satisfied the purpose and procedure parts
among comprehensiveness scores were defined as suitable for educational purposes.
For evaluating the reliability, the modified DISCERN was used. One-way analysis of
variance and Kruskal-Wallis test were used to compare continuous and categorical variables,
respectively.
Participants
Research on YouTube videos (N=218) from November 13, 2019, to November 17, 2019, was
done using the following keywords: “anterior drawer test knee,” “Lachman test knee,”
“posterior drawer test,” “valgus knee test,” and “varus knee test.”
Interventions
Not applicable.
Main Outcome Measures
Comprehensiveness score that focused on the purpose, procedure, interpretation, and
limitations or precautions of the test were developed by the authors, and modified
DISCERN score.
Results
In terms of the suitability for educational purposes, 126 videos (58%) were classified
into the suitable group, and 92 (42%) were classified into the unsuitable group. Neither
group had significantly more views, views per posting days, likes, dislikes, or posting
days. When comparing the comprehensiveness and reliability scores of each group, significant
differences between groups were identified. Only 47 videos met the limitations/precautions
category. A total of 155 videos (71%) were from the professional group and 63 videos
(29%) were from the nonprofessional group. Significant differences were found in views,
views per posting days, likes, and dislikes between the professional group and nonprofessional
group.
Conclusions
YouTube should not be used for learning about knee stability tests. Professionals,
especially those in rehabilitation medicine, should pay more attention to uploading
high-quality videos with reliable content.
Keywords
List of abbreviations:
ACL (anterior cruciate ligament), LCL (lateral collateral ligament), MCL (medial collateral ligament), PCL (posterior cruciate ligament)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: June 25, 2020
Footnotes
Disclosures: none.
Identification
Copyright
© 2020 by the American Congress of Rehabilitation Medicine
