Central European Journal of Sport Sciences and Medicine

ISSN: 2300-9705     eISSN: 2353-2807    OAI
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Issue archive / Vol. 9, No. 1/2015
Impact of Training with Additional Respiratory Dead Space on Spirometry and Exercise Respiratory Pattern in Cyclists

Authors: Paulina Hebisz
Department of Physiology and Biochemistry, University School of Physical Education in Wrocław, Poland

Rafał G. Hebisz
Department of Physiology and Biochemistry, University School of Physical Education in Wrocław, Poland

Marek W. Zatoń
Department of Physiology and Biochemistry, University School of Physical Education in Wrocław, Poland
Keywords: respiratory muscle efficiency dead space training
Year of publication:2015
Page range:9 (75-83)


The aim of our 10-week-long experiment was to investigate the impact of training with additional dead space (DS) on spirometry and exercise respiration. Respiratory muscle training is applied to the development exercise capacity. Twenty cyclists were assigned to two groups: the experimental (E) and the control (C). All of them carried on with their initial training programme. During endurance trainings (twice per week) group E used additional DS (1000 cm3). Immediatelly before and after the experiment each participant was submitted to a spirometry and a continuous test. The spirometry test measured peak inspiratory (PIF) and expiratory (PEF) flows, forced expiratory volume in one second (FEV1) and forced vital capacity (FVC). The continuous test measured tidal volume (TV), respiratory frequency (RF), along with inspiration and expiration times. Our experiment demonstrated TV increase and RF decrease in both groups. In addition, the TV value was significantly higher in group E than in C. The PIF value also increased significantly, PEF and FEV1 upward trend was observed in group E only. We concluded the additional respiratory DS used in the experimental group provoked an increase of airflow observed in the spirometry tests at rest and during intensive aerobic exercise.
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