Associations between Adductor Strength; Flexibility and Self-Reported Symptoms in Elite Professional Footballers: A case series

Light, N., Gimpel, M., Sparks, S., Bowen, L., Bruce-Low, S. and Hughes-Jones, Zoe (2018) Associations between Adductor Strength; Flexibility and Self-Reported Symptoms in Elite Professional Footballers: A case series. Science and Medicine in Football. pp. 1-6. ISSN 2473-3938

[img] Text (This is an Accepted Manuscript of an article published by Taylor & Francis in Science and Medicine in Football on 25 July 2018, available online http://www.tandfonline.com/doi/full/10.1080/24733938.2018.1501159)
Hip_and_Groin_Paper_Saints_study_revised_11th July Chi Eprints version.docx - Accepted Version
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Abstract

Objectives: Measures of adductor strength, flexibility and self-reported symptoms offer insights into athlete hip/groin pain and function. Understanding the relationship between these measures, may determine their suitability for use within football medicine.
Design: Prospective clinical case series study
Method: Eighteen youth professional footballers (18.8 ±1.18 years) from an English Premier League club completed two adductor squeeze tests (short and long-lever), the HAGOS (sport) and Bent Knee Fall Out; two days post game-day, during a period of four months.
Results: Adductor strength reduced beyond the minimal detectable change (MDC) on 16 occasions for the long-lever squeeze test (MDC=7%) and 7 occasions for short-lever squeeze test (MDC=15%). On 17 occasions, participant BKFO scores reduced beyond the MDC (21%). A relationship between both squeeze tests and HAGOS (sport) was observed explaining 12% variance for the short-lever (R2 = 0.121, p=0.006) and 7% for the long-lever (R2 = 0.065, p=0.046). Changes in these measures appear to occur simultaneously. The bent knee fall out showed no statistically significant (P= >0.05) correlation to either squeeze test (rp =0.153 / 0.193) or HAGOS (sport) (rp = 0.182).
Conclusion: This study adds to the literature surrounding objective and subjective measures of hip/groin pain in professional youth footballers. The long-lever adductor squeeze test detected meaningful changes more frequently than the short-lever. Both tests shared a weak, albeit statistically significant relationship with HAGOS (sport), whilst the bent knee fall out did not. A larger prospective study is warranted to increase confidence in selecting these measures for monitoring footballer hip/groin pain.

Item Type: Article
Uncontrolled Keywords: football; soccer; groin; hip; adductor; strength; screening
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports
Q Science > QP Physiology
R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Departments > Sport and Exercise Sciences
Depositing User: Neil Light
Date Deposited: 30 Jul 2018 09:01
Last Modified: 25 Jul 2019 00:10
URI: http://eprints.chi.ac.uk/id/eprint/3554

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