Effect of Twelve-Week hypoxic interval training on lung volumes and records of elite swimmers in 50 and 100 meters breaststroke

AUTHORS

Abbas Gaeini 1 , Hamed Faragardi 2 , Sadegh Satarifard 3 , *

AUTHORS INFORMATION

1 Professor Department of Sport's Physiology,Tehran University, Tehran, Iran.

2 MSc of Sport's Physiology,Tehran University, Tehran, Iran.

3 PhD of Sport's Physiology , Tehran University, Tehran, Iran.

ARTICLE INFORMATION

Hormozgan Medical Journal: 20 (1); e87934
Published Online: July 13, 2014
Article Type: Research Article
Received: December 13, 2013
Accepted: July 13, 2014

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Abstract

Introduction: Holding the breath during exercise causes hypoxia. This study set out to investigate the effect of the 12-week hypoxic interval training on lung volume and records of elite swimmers in 50 and 100 meters breaststroke.

Methods: In this quasi-experimental study, 22 male swimmers were randomly divided into the hypoxic interval training group (n: 13; age: 16.61±1.39 years; height: 177.92±1.94 cm; weight 70.17±3.55kg) and normal training group (n: 9; age: 16.67±1.16 years; height: 176.33±5.24cm; weight 67.83±4.24kg). The hypoxic interval training program included 3-8 sets of 25-200 m breaststroke and the butterfly (breathing every 4-6 strokes), six-time per week for 12 weeks. The normal training routine performed without breath-holding (breathing every 2 strokes). The FIVC, FEV1, FVC, and FIV1 parameters, as well as records in 50m and 100m swimming were measured pre- and post-training. The obtained data was analyzed with ANCOVA (P<0.05).

Results: Swimmers' records in both 50 m and 100 m swimming scenarios significantly decreased after the application of the hypoxic interval training program. The FIVC, FEV1, FVC, and FIV1 parameters significantly increased only after the hypoxic training (P<0.05); in addition, the post-training values of these variables were significantly higher in the experimental group than the control group (P<0.05). However, no significant change was observed in the values of these variables in the normal training group (control).

Conclusion: It seems that the 12-week hypoxic interval training program can increase the lung volume and improve the records of the elite swimmers in 50m and 100m breaststroke.

Keywords

Hypoxic Lung Volume Swimming Record

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