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http://hdl.handle.net/1942/28348
Title: | Reliability and agreement of isometric functional trunk and isolated lumbar strength assessment in healthy persons and persons with chronic nonspecific low back pain | Authors: | VERBRUGGHE, Jonas AGTEN, Anouk OP 'T EIJNDE, Bert VANDENABEELE, Frank DE BAETS, Liesbet HUYBRECHTS, Xavier TIMMERMANS, Annick |
Issue Date: | 2019 | Source: | Physical therapy in sport, 38, p. 1-7 | Abstract: | Objectives: to assess intra/inter-operator reliability and agreement of maximum isometric abdominal and back muscle strength in a functional trunk and isolated lumbar protocol, using an isokinetic dynamometer, in healthy persons and persons with chronic nonspecific low back pain (CNSLBP). Design: Test-retest. Setting: Participants performed two assessments consisting of two protocols on the Biodex 3 system, evaluating maximum isometric back and abdominal strength in a functional trunk and isolated lumbar position. During the first assessment, each protocol was executed twice, supported by different operators. Participants: Healthy persons (n=20) and persons with CNSLBP (n=20). Main outcome measures: Intraclass Correlation (ICC), Standard Error of Measurement (SEM and %SEM), and Minimal Detectable Change (MDC) of muscle strength outcomes and seat positioning characteristics were calculated. Results: Intra/inter reliability of muscle strength outcomes was excellent (ICC: 0.94e0.98), while seat positioning characteristics varied from low to high (ICC: 0e0.94). For muscle strength outcomes, %SEM ranged from 4.7 to 9.2% and MDC ranged from 14.3 to 29.8 Nm in trunk flexion and 39.1e68.5 Nm in trunk extension. Conclusions: The Biodex 3 system can be used reliably to assess maximum isometric trunk muscle strength with the aforementioned protocols in healthy persons and persons with CNSLBP. All muscle strength outcomes showed comparable agreement (%SEM < 10%). | Notes: | Verbrugghe, J (reprint author), Agoralaan 5,Gebouw A, B-3590 Diepenbeek, Belgium. Jonas.verbrugghe@uhasselt.be | Keywords: | Chronic low back pain; Muscle strength; Reliability; Isokinetic dynamometer | Document URI: | http://hdl.handle.net/1942/28348 | ISSN: | 1466-853X | DOI: | 10.1016/j.ptsp.2019.03.009 | ISI #: | 000474323300001 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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Vebrugghe et al 2019 reliability of biodex muscle strength protocols.pdf Restricted Access | Published version | 485.02 kB | Adobe PDF | View/Open Request a copy |
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