Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2010) 09, 300 - 310

Research article
Does Combined Dry Land Strength and Aerobic Training Inhibit Performance of Young Competitive Swimmers?
Nuno Garrido1,2, , Daniel A. Marinho2,3, Victor M. Reis1,2, Roland van den Tillaar2, Aldo M. Costa2,3, António J. Silva1,2, Mário C. Marques2,3
Author Information
1 University of Trás-os-Montes and Alto Douro, Department of Sport Sciences, Vila Real, Portugal
2 Research Centre in Sports, Health and Human Development, Vila Real, Portugal
3 University of Beira Interior, Department of Sport Sciences, Covilhã, Portugal

Nuno Garrido
✉ Universidade da Beira Interior, Departamento de Ciências do Desporto, Rua Marquês d'Ávila e Bolama. 6201-001 Covilhã, Portugal
Email: ngarrido@utad.pt
Publish Date
Received: 24-02-2010
Accepted: 25-03-2010
Published (online): 01-06-2010
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ABSTRACT

The aim of the current study was twofold: (i) to examine the effects of eight weeks of combined dry land strength and aerobic swimming training for increasing upper and lower body strength, power and swimming performance in young competitive swimmers and, (ii) to assess the effects of a detraining period (strength training cessation) on strength and swimming performance. The participants were divided into two groups: an experimental group (eight boys and four girls) and a control group (six boys and five girls). Apart from normal practice sessions (six training units per week of 1 h and 30 min per day), the experimental group underwent eight weeks (two sessions per week) of strength training. The principal strength exercises were the bench press, the leg extension, and two power exercises such as countermovement jump and medicine ball throwing. Immediately following this strength training program, all the swimmers undertook a 6 week detraining period, maintaining the normal swimming program, without any strength training. Swimming (25 m and 50 m performances, and hydrodynamic drag values), and strength (bench press and leg extension) and power (throwing medicine ball and countermovement jump) performances were tested in three moments: (i) before the experimental period, (ii) after eight weeks of combined strength and swimming training, and (iii) after the six weeks of detraining period. Both experimental and control groups were evaluated. A combined strength and aerobic swimming training allow dry land strength developments in young swimmers. The main data can not clearly state that strength training allowed an enhancement in swimming performance, although a tendency to improve sprint performance due to strength training was noticed. The detraining period showed that, although strength parameters remained stable, swimming performance still improved.

Key words: Children, combined training, detraining, hydrodynamics, cross training


           Key Points
  • This study investigated the effect of dry land strength training on sprint performance in young competitive swimmers.
  • A combined strength and aerobic swimming training allow dry land strength developments in young swimmers.
  • The main data can not clearly state that strength training allowed an enhancement in swimming performance, although a tendency to improve sprint performance due to strength training was noticed.
  • The detraining period showed that, although strength parameters remained stable, swimming performance still improved.
 
 
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