摘要
为了探讨不同海拔高度低氧环境对高原筑路民工劳动能力的影响，本研究分别在海拔２２６０ｍ、３６００ｍ及５０００ｍ地区筑路民工中设立实验组，并以海平作对照，观察不同程度低氧对无氧阈（ＡＴ）的影响。结果表明，海拔２２６０ｍ、３６００ｍ地区无氧阈功率（ＷＡＴ）与海平比较变化不明显（Ｐ＞０．０５）；海拔５０００ｍ地区ＷＡＴ与对照相比下降４５．６％，差异极其显著（Ｐ＜０．０１）。提示海拔５０００ｍ以上人的体力劳动能力明显下降，在劳动卫生方面应予特别注意。
n order to observe the effects of hypoxic environment at differentaltitudes on physical work capacity of road construction workers,36 sub-jects(young,healthy males)were divided into 4 groups and performed gra-ded exercise on steps at altitude of l0m(control),2 260m, 3 600m and 5 000m,respectively,The anaerobic threshold (AT)was determined by heart rateand expressed as anaerobic threshold power(WAT).The coniparison ofezperimental groups at different altitudes to control showed a 45.6%reduc-tion(P<0.01)of WAT in subjects working at altitude of 5000m,and sug-gested that the physical work capacity of inen was limited by hypoxic envi-ronment at high altitude and labor hygiene must be en1phasized.
出处
《解放军预防医学杂志》
CAS
北大核心
1996年第1期12-15,共4页
Journal of Preventive Medicine of Chinese People's Liberation Army
基金
交通部科学基金
关键词
高原
劳动能力
无氧阈
altitude,physical work capacity,anaerobic threshold(AT)
