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Intra and Inter-Rater Reliability of a Novel Isometric Test of Neck Strength.
McBride, L. Alsop, S. Oxford, S.W.
McBride, L.
Alsop, S.
Oxford, S.W.
Publication Date
2022-12
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© 2022 The Authors. This is an Open Access article distributed under the terms and conditions of the Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0/)
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2022-12-09
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Abstract
There is no single, universally accepted method of measuring isometric neck strength to inform exercise prescription and injury risk prediction. This study aimed to establish the inter- and intra-rater reliability of a commercially available fixed frame dynamometer in measuring peak isometric neck strength. A convenience sample of male (n = 16) and female (n = 20) university students performed maximal isometric contractions for flexion (Flex), extension (Ext), left- (LSF) and right-side flexion (RSF) in a quadruped position over three sessions. The intra-rater reliability results were good-to-excellent for both males (ICC = 0.83–0.90) and females (ICC = 0.86–0.94) and acceptable (CV < 15%) across all directions for both males and females. The inter-rater reliability results were excellent (ICC = 0.96–0.97) and acceptable (CV < 11.1%) across all directions. Findings demonstrated a significant effect for sex (p ≤ 0.05): males were stronger in all four directions, and a significant effect for direction (p ≤ 0.05): Ext tested stronger (193 N) than Flex (176 N), LSF (130 N) and RSF (125 N). The findings show that the VALD fixed frame dynamometer can reliably assess isometric neck strength and can provides reference values for healthy males and females.
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Citation
McBride L, James RS, Alsop S and Oxford SW (2022) Intra and Inter-Rater Reliability of a Novel Isometric Test of Neck Strength. Sports. 11(1): 2.
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