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Body balance in a free-standing position in road and off-road cyclists

100%

Hebisz P., Hebisz R., Zaton M.

Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport

2014

tom 06

nr 4

Background: The purpose of this study was to compare body balance in road and off-road cyclists, immediately before and after the racing season. Material/Methods: Twenty individuals participated in the study and they were divided into two groups: specialists in road-cycling (n = 10) and in off-road cycling (n = 10). Immediately before and after the five-month racing season stabilographic trials were carried out (at rest and after progressive exercise). In assessing body balance the distance and velocity of the centre shifts (in the anterior-posterior and left-right direction) were analysed. The tests were performed with the cyclists’ eyes open, eyes closed, and in feedback. Results: After the racing season, in the off-road cyclists’ group, distance and velocity of the centre of pressure shifts increased after a progressive exercise. Conclusions: In the off-road cyclists’ group the balance of the body in the sagittal plane deteriorated after the racing season. Moreover, after the racing season off-road cyclists were characterized by a worse balance of the body, compared to road cyclists.

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Impact of training with additional respiratory dead space on spirometry and exercise respiratory pattern in cyclists

100%

Hebisz R. G., Hebisz P., Zaton M. W.

Central European Journal of Sport Sciences and Medicine

2015

tom 09

nr 1

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.

Ograniczanie wyników

1 Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport

1 Central European Journal of Sport Sciences and Medicine

2 Hebisz P.

1 Hebisz R.

1 Hebisz R. G.

1 Zaton M.

1 Zaton M. W.

1 2015

1 2014

Wyniki wyszukiwania

Body balance in a free-standing position in road and off-road cyclists

Impact of training with additional respiratory dead space on spirometry and exercise respiratory pattern in cyclists