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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Hip adduction strength and provoked groin pain: A comparison of long-lever squeeze testing using the ForceFrame and the Copenhagen 5-Second-Squeeze test

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Objectives: To compare long-lever squeeze testing using the ForceFrame and the Copenhagen 5-Second-Squeeze test (5SST) for assessment of hip adduction strength and provoked groin pain in elite male soccer players. Design: Cross-sectional study. Setting: Pre-season testing at facilities of a Danish professional 1 st tier soccer club and academy. Participants: Elite male soccer players (n = 83, mean age; 16 ± 2.7 years) from U13, U14, U15, U17, U19 and senior teams cleared for full training and match participation. Main outcome measures: Maximum isometric hip adduction strength (Nm/kg) and provoked groin pain (NRS 0–10). Results: Hip adduction strength was 16% lower in the ForceFrame. A Bland-Altman plot showed a systematic bias (−0.47 Nm/kg, 95% CI [-0.57; −0.38]) and lack of agreement (95% limits of agreement: -1.31; 0.39 Nm/kg). In the ForceFrame, provoked groin pain was less intense (median NRS 0 [IQR: 0–1] vs. 5SST: 1 [IQR: 0–3], p < 0.001) and reported by fewer players (NRS >0) (27% [n = 22] vs. 5SST: 61.4% [n = 51], p < 0.001). Conclusions: The ForceFrame and the 5SST lack agreement and are not interchangeable methods. This may have implications when selecting a method for screening and detecting early groin problems in male soccer players.

Original languageEnglish
JournalPhysical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine
Volume55
Pages (from-to)28-36
Number of pages9
ISSN1466-853X
DOIs
Publication statusPublished - May 2022

Bibliographical note

Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.

    Research areas

  • 5-Second-squeeze test, Adductor strength, ForceFrame, Groin injury, Groin pain, Handheld dynamometer, Soccer

ID: 75593938