This study aimed to describe the influence of recovery duration during a repeated sprint ability (RSA) test (6 × 40 m) by investigating a number of variables, such as general performance, metabolic demand, and muscular stretch-shortening performance. Seventeen male soccer outfield players (16 ± 0 years, 66 ± 10 kg) performed three field shuttle-running tests with 15, 20, and 25-sec recoveries. In addition to specific shuttle test's variables, blood lactate concentration and vertical jump height were assessed. Resulting measures were highly reliable (intra-class correlation coefficient up to 0.86). 25-sec recovery improved test performance (-3% total time from 15-sec to 25-sec recovery), vertical jump height (+7% post-test height from 15-sec to 25-sec recovery), and decreased blood lactate accumulation (-33% post-test from 15-sec to 25-sec recovery). Study findings suggest that metabolic acidosis plays a role in worsening performance and fatigue development during the shuttle test. A 25-sec recovery duration maximized performance, containing metabolic-anaerobic power involvement and muscular stretch-shortening performance deterioration during a RSA test.

Repeated sprint ability related to recovery time in young soccer players / J. Padulo, M. Tabben, L.P. Ardigò, M. Ionel, C. Popa, C. Gevat, A.M. Zagatto, A. Dello Iacono. - In: RESEARCH IN SPORTS MEDICINE. - ISSN 1543-8627. - 23:4(2015 Oct 02), pp. 412-423. [10.1080/15438627.2015.1076419]

Repeated sprint ability related to recovery time in young soccer players

J. Padulo
Primo
;
2015

Abstract

This study aimed to describe the influence of recovery duration during a repeated sprint ability (RSA) test (6 × 40 m) by investigating a number of variables, such as general performance, metabolic demand, and muscular stretch-shortening performance. Seventeen male soccer outfield players (16 ± 0 years, 66 ± 10 kg) performed three field shuttle-running tests with 15, 20, and 25-sec recoveries. In addition to specific shuttle test's variables, blood lactate concentration and vertical jump height were assessed. Resulting measures were highly reliable (intra-class correlation coefficient up to 0.86). 25-sec recovery improved test performance (-3% total time from 15-sec to 25-sec recovery), vertical jump height (+7% post-test height from 15-sec to 25-sec recovery), and decreased blood lactate accumulation (-33% post-test from 15-sec to 25-sec recovery). Study findings suggest that metabolic acidosis plays a role in worsening performance and fatigue development during the shuttle test. A 25-sec recovery duration maximized performance, containing metabolic-anaerobic power involvement and muscular stretch-shortening performance deterioration during a RSA test.
interval training; metabolism; recovery; running; soccer; Adolescent; Athletic Performance; Exercise Test; Fatigue; Humans; Lactic Acid; Male; Muscle; Skeletal; Recovery of Function; Rest; Running; Soccer; Time Factors
Settore M-EDF/02 - Metodi e Didattiche delle Attivita' Sportive
2-ott-2015
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/671271
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