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JOURNAL
OF
SPORTS SCIENCE &
MEDICINE
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Research
article
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DOES COMBINED DRY LAND STRENGTH AND AEROBIC TRAINING INHIBIT PERFORMANCE OF YOUNG COMPETITIVE SWIMMERS? |
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Nuno Garrido1,2, Daniel A. Marinho2,3  , Victor M. Reis1,2, Roland van
den Tillaar2, Aldo M. Costa2,3, António J. Silva1,2 and Mário C. Marques2,3 |
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1University of Trás-os-Montes and Alto Douro, Department of Sport Sciences, Vila Real, Portugal, 2Research Centre in Sports, Health and Human Development, Vila Real, Portugal, 3University of Beira Interior, Department of Sport Sciences, Covilhã, Portugal |
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© Journal of Sports Science and Medicine (2010) 9, 300 - 310 |
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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. |
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