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Effect of long-term soccer training on changes in cardiac function during exercise in elite youth soccer players

Unnithan, VB, Rowland, T, George, KP, Bakhshi, A, Beaumont, A, Sculthorpe, N, Lord, RN and Oxborough, DL (2022) Effect of long-term soccer training on changes in cardiac function during exercise in elite youth soccer players. Scandinavian Journal of Medicine & Science in Sports, 32 (5). pp. 892-902. ISSN 0905-7188

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Abstract

It is unclear what the effect of long-term, high-volume soccer training has on left ventricular (LV) function during exercise in youth soccer players. This study evaluated changes in LV function during submaximal exercise in a group of highly-trained male soccer players (SP) as they transitioned over a three-year period from pre-adolescent to adolescent athletes. Data were compared to age-and sex-matched recreationally active controls (CON) over the same time period. Twenty-two SP from two professional English Premier League youth soccer academies (age: 12.0 ± 0.3 years at start of the study) and 15 CON (age: 11.7 ± 0.3 years) were recruited. Two-dimensional echocardiography was used to quantify LV function during exercise at the same submaximal metabolic load (approx. 45%VO2peak) across the 3 years. After controlling for growth and maturation, there were training-induced changes and superiority (p<0.001) in cardiac index (QIndex) from year 1 in the SP compared to CON. SP (year 1: 6.13 ± 0.76; year 2: 6.94 ± 1.31 and year 3: 7.20 ± 1.81 L/min/m2) compared to CON (year 1: 5.15 ± 1.12; year 2: 4.67 ± 1.04 and year 3: 5.49 ± 1.06 L/min/m2). Similar training-induced increases were noted for mitral inflow velocity (E): SP (year 1: 129 ± 12; year 2: 143 ± 16 and year 3: 135 ± 18 cm/s) compared to CON (year 1: 113 ± 10; year 2: 111 ± 12 and year 3: 121 ± 9 cm/s).This study indicated that there was evidence of yearly, training-induced increases in left ventricular function during submaximal exercise independent from the influence of growth and maturation in elite youth SP.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Unnithan VB, Rowland T, George K, et al. Effect of long- term soccer training on changes in cardiac function during exercise in elite youth soccer players. Scand J Med Sci Sports. 2022;32:892– 902., which has been published in final form at doi: 10.1111/sms.14140. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Uncontrolled Keywords: 1106 Human Movement and Sports Sciences, 1116 Medical Physiology
Subjects: Q Science > QP Physiology
R Medicine > RC Internal medicine > RC1200 Sports Medicine
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV561 Sports > GV711 Coaching
Divisions: Sport & Exercise Sciences
Vice-Chancellor's Office
Publisher: Wiley
Related URLs:
Date Deposited: 13 Apr 2022 10:15
Last Modified: 13 Apr 2022 10:15
DOI or Identification number: 10.1111/sms.14140
URI: https://researchonline.ljmu.ac.uk/id/eprint/16654

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