Journal of bodywork and movement therapies · 2025
A single trial is enough to measure muscle strength in children and adolescents with the modified sphygmomanometer test.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Drumond Carolyne M, Barbosa Raiane M F, Felício Diogo C, Aguiar Larissa T, Correa Cyntia P S, Defilipo Érica C, Faria Christina D C M, Chagas Paula S C
Аннотация
INTRODUCTION: Assessing lower limb (LL) muscle strength in children and adolescents is commonly performed using manual muscle testing. However, the feasibility of using a modified sphygmomanometer test (MST) for this population and the optimal testing method for clinical practice remain unclear. This study aimed to determine the best way to operationalize LL muscle strength measurements with MST in children and adolescents.
METHODS: This methodological study included children (6-12 years) and adolescents (13-18 years). Two MST methods-one with and one without bag adaptation-were randomly applied by a trained, blinded evaluator. Maximum isometric strength was assessed through three repetitions for seven LL muscle groups (hip flexion, extension, and abduction; ankle plantarflexion and dorsiflexion; knee flexion and extension) on both the dominant and non-dominant sides. Each contraction lasted 5 s with standardized verbal cues. One-way ANOVA and Kruskal-Wallis tests analyzed differences between the first attempt, the average of two attempts, the average of three attempts, and the maximum value of three trials.
RESULTS: A total of 64 individuals participated: 32 children (8.62 ± 1.77 years) and 32 adolescents (16.41 ± 2.19 years). No significant differences were found between MST operationalization methods (with or without bag adaptation) or between measurement approaches (ANOVA: 0.17≥F ≤ 1.07; 0.36≥p ≤ 0.91; Kruskal-Wallis: 0.71≥X ≤ 3.35; 0.34≥p ≤ 0.86).
CONCLUSION: A single MST measurement is sufficient for assessing LL muscle strength in children and adolescents, making the test a practical and reliable alternative for clinical practice.
METHODS: This methodological study included children (6-12 years) and adolescents (13-18 years). Two MST methods-one with and one without bag adaptation-were randomly applied by a trained, blinded evaluator. Maximum isometric strength was assessed through three repetitions for seven LL muscle groups (hip flexion, extension, and abduction; ankle plantarflexion and dorsiflexion; knee flexion and extension) on both the dominant and non-dominant sides. Each contraction lasted 5 s with standardized verbal cues. One-way ANOVA and Kruskal-Wallis tests analyzed differences between the first attempt, the average of two attempts, the average of three attempts, and the maximum value of three trials.
RESULTS: A total of 64 individuals participated: 32 children (8.62 ± 1.77 years) and 32 adolescents (16.41 ± 2.19 years). No significant differences were found between MST operationalization methods (with or without bag adaptation) or between measurement approaches (ANOVA: 0.17≥F ≤ 1.07; 0.36≥p ≤ 0.91; Kruskal-Wallis: 0.71≥X ≤ 3.35; 0.34≥p ≤ 0.86).
CONCLUSION: A single MST measurement is sufficient for assessing LL muscle strength in children and adolescents, making the test a practical and reliable alternative for clinical practice.