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Article type: Research Article
Authors: Neto, Frederico Ribeiroa; b; * | Costa, Rodrigo Rodrigues Gomesb | Cardoso, Jefferson Rosac | Brown, Leed | Bottaro, Martima | Carregaro, Rodrigo Luiza; e
Affiliations: [a] College of Physical Education, Universidade de Brasilia, Brasília, DF, Brazil | [b] SARAH Rehabilitation Hospital Network/SARAH, Brasilia, Brazil | [c] Laboratory of Biomechanics and Clinical Epidemiology, PAIFIT Research Group, Universidade Estadual de Londrina, Brazil | [d] Department of Kinesiology, California State University, Fullerton, CA, USA | [e] School of Physical Therapy, Universidade de Brasilia, Campus UnB Ceilândia, Brasília, DF, Brazil
Correspondence: [*] Corresponding author: Frederico Ribeiro Neto, SQN 312 BLOCO C AP 604, 70765-030, Brasilia, DF, Brazil. Tel.: +55 61 3319 1831 or +55 61 99184 1550; Fax: +55 61 3319 1538; E-mail: fredribeironeto@gmail.com.
Abstract: BACKGROUND: Familiarization is a fundamental step for a proper maximum strength testing. However, there is a lack of evidence regarding familiarization protocols suitable for isokinetic assessment in men with spinal cord injury (SCI). OBJECTIVE: The aim was to compare different familiarization protocols (sessions and sets) and their influences on a maximum isokinetic strength test in individuals with SCI. METHODS: Thirty-six men with SCI were enrolled and were randomly assigned to one of three groups that performed one (F1set), two (F2set) or three (F3set) sets of familiarization on an isokinetic dynamometer. Each group repeated familiarization and maximum strength tests on three different days (D1, D2 and D3) with 48 to 72-hour intervals. Multiple one-way analysis of variance was performed to compare the familiarization protocols. For measurement agreement, the intraclass correlation coefficient (ICC) with Bland-Altman plots were used. RESULTS: F2set had no statistically difference in peak torque between testing days, or between F1set and F3set. F1set and F3set differed between days for shoulder abduction and extension. ICC was significant and high (ICC ⩾ 0.91; P⩽ 0.01) comparing D1 and D3 for all. CONCLUSIONS: One familiarization session composed by 2 sets of submaximal exercise could be adopted as a suitable protocol prior to a maximal strength testing in men with SCI.
Keywords: Muscle strength dynamometer, exercise test, strength training, rehabilitation
DOI: 10.3233/IES-172213
Journal: Isokinetics and Exercise Science, vol. 26, no. 2, pp. 125-132, 2018
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