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Introduction: Grip strength is a vital hand function skill required to perform everyday tasks. Diseases and conditions deteriorate grip strength. Repetitive exercises can improve grip strength, but people are non-compliant with home exercise programs. Gamification of exercises can increase home exercise compliance. A device is needed to measure and rehabilitate grip strength and to deliver exercises remotely. A preliminary search on that topic did not provide any review literature on grip-strength devices. Accordingly, this scoping literature review (SLR) explores various electronic devices and sensors used to measure grip strength. Materials and Methods: Five electronic databases, namely PubMed, IEEE, Scopus, ACM digital library, and Web of Science, were searched. Modified preferred reporting items for systematic literature review and meta-analysis guidelines were used, with population/disease, intervention, comparison, and outcome framework employed to identify keywords and frame the research questions. Results: The results of the search yielded 3546 articles, and after elimination, 15 articles met the inclusion criteria for this review. Hence, this review has categorized various devices and sensors that measured grip strength, along with their wireless communication and gamification capabilities. Conclusion: The categorization presented in this review can help researchers use this information for future directions by emphasizing research gaps and designing telerehabilitation devices. [ABSTRACT FROM AUTHOR]

Handgrip strength is an essential function of the hand to perform day-to-day tasks. People lose grip strength due to various factors such as aging, diseases, and other medical conditions. According to neuroplastic and physiological principles, grip strength can be improved using goal-oriented tasks or exercises repeatedly and consistently. People often fail to adhere to repeated movements, including grip strength exercises. Studies have shown that game-based rehabilitation has improved exercise compliance and functional outcomes. This article explains the design and development of an affordable smartphone-based telerehabilitation system that includes an innovatively designed grip strength device (eGripper) and a phone application to play games. [ABSTRACT FROM AUTHOR]