Validity and Reliability of Hand-Held Dynamometry for Abdominal Flexion Muscular Assessment.

Abstract:

CONTEXT:Abdominal musculature underpins core stability, which can allow for optimal performance in many activities of daily living (eg, walking and rising from a chair). Therefore, assessment of the abdominal muscles poses as an important consideration for clinicians in order to identify people at risk of injury or functional decline. OBJECTIVE:This study aimed to build on the limited amount of knowledge surrounding abdominal muscle strength assessments by investigating the validity and reliability of hand-held dynamometry (HHD) for the assessment of isometric abdominal flexion strength. STUDY DESIGN AND PARTICIPANTS:Comparative analysis for validity and test-retest reliability was employed on a cohort of apparently healthy individuals. HHD was compared with the criterion, isokinetic dynamometry, through an isometric contraction of trunk flexion on both instruments. Hand-held dynamometry assessments only were performed on a subsequent day for reliability analysis. The peak values for all assessments were recorded. RESULTS:A total of 35 participants were recruited from the University of South Australia and the general public. Comparative analysis between the HHD and isokinetic dynamometer showed good agreement (intraclass correlation coefficients = .82), with the Bland-Altman plots confirming no proportional bias. Reliability analysis for the HHD reported good consistency (intraclass correlation coefficients = .87). CONCLUSION:HHD together with the participant setup (supine, trunk flexed, and supported at 25° with the legs horizontal and remaining unfixed) is a valid and reliable tool to assess isometric abdominal flexion strength.

journal_name

J Sport Rehabil

authors

Tarca BD,Wycherley TP,Meade A,Bennett P,Ferrar KE

doi

10.1123/jsr.2019-0521

subject

Has Abstract

pub_date

2020-06-12 00:00:00

pages

1-4

eissn

1056-6716

issn

1543-3072

pii

jsr.2019-0521

pub_type

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