EFFECTS OF AEROBIC TRAINING IN HYPOXIC NORMOBARIC CONDITION ON CHEST EXPANSION PATTERN IN RUGBY FOOTBALL PLAYERS
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Abstract
The purpose of this study was to study the effects of aerobic training in hypoxic normobaric conditions for 6 weeks on chest expansion pattern. The participants were separated into 2 groups (9 each) by Purpostive sampling and used Cluster random sampling with VO2max from group 1 was trained in normoxic (20.93%), and group 2 in hypoxic (14.5%-15%), both groups were trained in normobaric condition. All participants were trained by running on treadmill in hypoxic training room (ATS-5HKP 750 SYSTEM, Australia) according to training program. Each participant was analyzed chest expansion pattern, pre and post training, by using Qualisys Track Manager from coordination of 30 chest markers and calculated chest volume based on a geometric shape. Four parts of chest volume; Upper Lung (UL), Lower Lung (LL), Upper abdomen (UA) and Lower Abdomen (LA) and Total Part (TO), were shown in Tidal Volume (TV), Vital Capacity (VC), Inspiratory Capacity (IC), Expiratory Reserve Volume (ERV) and Total Lung Capacity (TLC). The Independent t-test or Mann Whitney U test (U) were used to compare between groups. The result showed the significant differences of TV at UL, the VC at UA, IC at UA, and ERV at TO, therefore the low oxygen condition at normal atmospheric pressure resulted in significantly higher by Group 2 of TV at UL, VC at UA, IC at UA, than those in Group 1 but ERV at TO, significantly lower than Group 1
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