Comparison between methods to estimate bicep femoris fascicle length from three estimation equations using a 10 cm ultrasound probe

Ripley, NJ, Comfort, P ORCID: https://orcid.org/0000-0002-1131-8626 and McMahon, JJ ORCID: https://orcid.org/0000-0001-9952-7846 2022, 'Comparison between methods to estimate bicep femoris fascicle length from three estimation equations using a 10 cm ultrasound probe' , Measurement in Physical Education and Exercise Science , pp. 1-8.

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Abstract

The aim of the present study was to determine the reliability and differences between three fascicle length (FL) estimation methods when utilizing a 10-cm ultrasound (US) probe. Thirteen males (24.1 ± 3.8 years, 79.3 ± 14 kg, 179 ± 6.6 cm) participated. Bicep femoris long head (BFLH) US images were collected on two separate occasions. Three previously established extrapolation methods were utilized. Near-perfect reliability was observed for all methods. Criterion estimation resulted in a significant, trivial (p = 0.016,g = 0.17) increase in FL compared to the basic trigonometry equation with non-significant, trivial increase (p = 0.081,g = 0.10) between the criterion and partial measure method. The partial measure method was not significantly or meaningfully greater than the basic trigonometry method (p = 0.286,g = 0.08). Both alternative methods demonstrated unacceptable LOA (>5%), with heteroscedasticity. All methods of extrapolation are reliable and could be used over time. However, as methods are not comparable, there could be a rationale to utilize underestimated results to ensure a degree of cushioning.

Item Type:	Article
Schools:	Schools > School of Health and Society > Centre for Health Sciences Research
Journal or Publication Title:	Measurement in Physical Education and Exercise Science
Publisher:	(Taylor & Francis) Routledge
ISSN:	1091-367X
Related URLs:	Publication
Depositing User:	NJ Ripley
Date Deposited:	20 Apr 2022 14:02
Last Modified:	17 Aug 2022 09:47
URI:	https://usir.salford.ac.uk/id/eprint/63608

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