ptc.2023.75.issue-1

["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","https:\/\/utpjournals.press${contentReq.requestUri} - Horizon College Physiotherapy <[email protected]> - Sunday, June 25, 2023 11:51:20 PM - IP Address:43.246.243.214 ORIGINAL RESEARCH Reliability and Validity of Shoulder and Handgrip Strength Testing Nicholas Robert Biasini, MScPT;* Brian Bannon, MScPT;* Michael Pellegrino, MScPT;* Abdullah Qaderi, MScPT;* William Trinh, MScPT;* Sharon Switzer-McIntyre, BPE, BScPT, MEd, PhD;* W. Darlene Reid, BMR(PT), PhD;*\u2020\u2021 Karina Tamy Kasawara, BScPT, MSc, PhD* ABSTRACT Purpose: This study aimed to estimate the intra- and inter-rater reliability of the JTECH computerized, wireless apparatus and its validity (compared to established devices) for measurements of maximal shoulder isometric strength and handgrip strength among healthy adults with no shoulder pathology. Methods: Twenty healthy young adults had shoulder strength tested with JTECH and Micro-FET2 hand-held dynamometers, and the handgrip strength was tested using JTECH and Jamar handgrip dynamometers. Assessments were performed by the same rater to determine intra-rater reliability and convergent validity, at least two days apart, while on a third visit, the other rater performed measures to determine inter-rater reliability. Results: The JTECH computerized, wireless devices demonstrated good to excellent intra-rater reliability (ICCs (2,1)\u00a0=\u00a00.78-0.97) and inter-rater reliability for strength measures (ICCs (2,1)\u00a0=\u00a00.76-0.95). The JTECH computerized device compared to the Micro-FET2 hand-held dynamometer showed substantial concurrent validity for shoulder flexion (R2\u00a0=\u00a00.87), extension (R2\u00a0=\u00a00.87), abduction (R2\u00a0=\u00a00.88), and adduction (R2\u00a0=\u00a00.85). Substantial concurrent validity was shown for the JTECH computerized device and Jamar handgrip dynamometers (R2 =\u00a00.92). Conclusions: The JTECH computerized, wireless devices demonstrated high intra- and inter-rater reliability and substantial concurrent validity for shoulder isometric strength and handgrip strength in healthy adults. Key Words: hand; hand strength; muscle strength; shoulder; upper extremity. R\u00c9SUM\u00c9 Objectif\u00a0: \u00e9valuer la fiabilit\u00e9 intra\u00e9valuateur et inter\u00e9valuateur et la validit\u00e9 (par rapport \u00e0 des appareils \u00e9prouv\u00e9s) du dispositif informatis\u00e9 sans fil JTECH pour mesurer la force isom\u00e9trique de l\u2019\u00e9paule et la force de pr\u00e9hension maximales chez des adultes en sant\u00e9 sans pathologie de l\u2019\u00e9paule. M\u00e9thodologie\u00a0: vingt jeunes adultes en bonne sant\u00e9 ont fait v\u00e9rifier la force de leur \u00e9paule \u00e0 l\u2019aide des dynamom\u00e8tres manuels JTECH et Micro-FET2, et leur force de pr\u00e9hension \u00e0 l\u2019aide des dynamom\u00e8tres \u00e0 poign\u00e9e JTECH et Jamar. Le m\u00eame \u00e9valuateur a proc\u00e9d\u00e9 aux \u00e9valuations pour d\u00e9terminer la fiabilit\u00e9 intra\u00e9valuateur et la validit\u00e9 convergente, \u00e0 au moins deux jours d\u2019intervalle, tandis qu\u2019\u00e0 un troisi\u00e8me rendez-vous, l\u2019autre \u00e9valuateur a effectu\u00e9 des mesures pour \u00e9tablir la fiabilit\u00e9 inter\u00e9valuateur. R\u00e9sultats\u00a0: les dispositifs informatis\u00e9s sans fil JTECH poss\u00e8dent une fiabilit\u00e9 intra\u00e9valuateur (coefficient de corr\u00e9lation intraclasse, ou CCI [2,1]\u00a0=\u00a00,78 \u00e0 0,97) et une fiabilit\u00e9 inter\u00e9valuateur pour mesurer la force (CCI [2,1]\u00a0=\u00a00,76 \u00e0 0,95) bonnes \u00e0 excellentes. Par rapport au dynamom\u00e8tre manuel Micro-FET2, le dispositif informatis\u00e9 sans fil JTECH a d\u00e9montr\u00e9 une validit\u00e9 convergente importante \u00e0 l\u2019\u00e9gard de la flexion (R2 =\u00a00,87), de l\u2019extension (R2 =\u00a00,87), de l\u2019abduction (R2 =\u00a00,88) et de l\u2019adduction (R2 =\u00a00,85) de l\u2019\u00e9paule. Le dispositif informatis\u00e9 JTECH et le dynamom\u00e8tre manuel Jamar ont \u00e9galement d\u00e9montr\u00e9 une validit\u00e9 convergente importante (R2 =\u00a00,92). Conclusions\u00a0: les dispositifs informatis\u00e9s sans fil JTECH ont d\u00e9montr\u00e9 une fiabilit\u00e9 intra\u00e9valuateur et inter\u00e9valuateur \u00e9lev\u00e9e et une validit\u00e9 convergente importante pour la force isom\u00e9trique de l\u2019\u00e9paule et la force de pr\u00e9hension chez des adultes en sant\u00e9. Mots-cl\u00e9s\u00a0: \u00e9paule; force musculaire; force de pr\u00e9hension; main; membre sup\u00e9rieur Upper extremity pathologies of the hand and shoul- the distal radius.1 Shoulder-related pain has an estimated der impose a major health care and economic burden. prevalence of 24% in adults (20 years of age or older).2 Hand fractures are the second most common fracture Increased occurrence appears to be associated with older of the upper extremity, being second only to fractures of age, female sex, computer use, and particular postures.2,3 From the: *Department of Physical Therapy, University of Toronto, Toronto, Ontario, Canada; \u2020Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, Canada; \u2021Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada. Correspondence to: Karina Tamy Kasawara, University of Toronto, 160\u2013500 University Avenue, Toronto, Ontario M5G 1V7, Canada; [email protected]. Contributors: All authors designed the study; or collected, analyzed, or interpreted the data; and drafted or critically revised the article and approved the final draft. Competing Interests: None declared. \u00a9 Canadian Physiotherapy Association, 2023. For their own personal use, users may read, download, print, search, or link to the full text. Manuscripts published in Physiotherapy Canada are copyrighted to the Canadian Physiotherapy Association. Requests for permission to reproduce this article should be made to the University of Toronto Press using the Permission Request Form: https:\/\/ www.utpjournals.press\/about\/permissions or by email: [email protected]. Physiotherapy Canada 2023; 75(1); 65\u201371; doi:10.3138\/ptc-2021-0041 \u00a9 Canadian Physiotherapy Association, 2023 65","","","","","","","","","","","","","","","","",""]