Cardiff School of Sport, Cardiff Metropolitan University, Cardiff, UK.
Faculty of Life Sciences and Education, University of South Wales, Lower Glytaff Campus, Cemetery Road, Pontypridd, CF37 1DL, UK.
Lung. 2019 Feb;197(1):15-19. doi: 10.1007/s00408-018-0175-x. Epub 2018 Nov 2.
While the static and dynamic lung volumes of active swimmers is often greater than the predicted volume of similarly active non-swimmers, little is known if their ventilatory response to exercise is also different.
Three groups of anthropometrically matched male adults were recruited, daily active swimmers (n = 15), daily active in fields sport (Rugby and Football) (n = 15), and recreationally active (n = 15). Forced vital capacity (FVC), forced expiratory volume in 1 s (FEV), and maximal voluntary ventilation (MVV) was measured before and after exercise to volitional exhaustion.
Swimmers had significantly larger FVC (6.2 ± 0.6 l, 109 ± 9% pred) than the other groups (5.6 ± 0.5 l, 106 ± 13% pred, 5.5 ± 0.8, 99% pred, the sportsmen and recreational groups, respectively). FEV and MVV were not different. While at peak exercise, all groups reached their ventilatory reserve (around 20%), the swimmers had a greater minute ventilation rate than the recreational group (146 ± 19 vs 120 ± 87 l/min), delivering this volume by breathing deeper and slower.
The swimmers utilised their larger static volumes (FVC) differently during exercise by meeting their ventilation volume through long and deep breaths.
活跃游泳运动员的静态和动态肺容量通常大于具有相似活跃程度的非游泳运动员的预测容量，但对于他们的通气反应是否也不同，知之甚少。
招募了三组人体测量匹配的成年男性，包括日常活跃的游泳运动员（n=15）、日常活跃的田径运动（橄榄球和足球）运动员（n=15）和休闲运动者（n=15）。在运动至力竭前和后测量用力肺活量（FVC）、1 秒用力呼气量（FEV）和最大自主通气量（MVV）。
游泳运动员的 FVC（6.2±0.6 l，109±9%pred）明显大于其他两组（5.6±0.5 l，106±13%pred，5.5±0.8 l，99%pred，分别为运动员和休闲运动者组）。FEV 和 MVV 无差异。虽然在运动峰值时，所有组都达到了他们的通气储备（约 20%），但游泳运动员的分钟通气量高于休闲运动者组（146±19 比 120±87 l/min），通过深呼吸来实现这一通气量。
游泳运动员在运动期间通过长而深的呼吸来满足通气量，从而以不同的方式利用他们较大的静态容量（FVC）。
