Effects of flight workload on urinary catecholamine responses in experienced military pilots |
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Authors: | Otsuka Yasutami Onozawa Akihiko Kikukawa Azusa Miyamoto Yoshinori |
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Institution: | 2nd Division, Aeromedical Laboratory, Japan Air Self-Defense Force, 1-2-10 Sakae-cho, Tachikawa-shi, Tokyo 190-8585, Japan. otsuka1689@inet.asdf.mod.go.jp |
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Abstract: | This study investigated the flight responses induced by strenuous aerobatic demonstration flight and an air-to-air combat maneuvering flight in experienced pilots. Subjects were 54 military male pilots on a volunteer basis: 8 T-4 pilots (M= 35.8 yr., SD=4.9), 15 F-4 pilots (M=32.6 yr., SD=5.1), 13 F-15 pilots (M=33.8 yr., SD=1.0), and 18 F-2 pilots (M=33.7 yr., SD=3.9). Samples of urine were collected approximately 30 min. before and 20 min. after the flights. The postflight adrenaline in all pilots was significantly higher than at preflight, while a significant increase in noradrenaline at postflight was not observed. The post-/preflight ratio of adrenaline in all pilots was relatively similar and high. These findings might be regarded as a result of autonomic nervous system response to the flight workload of military pilots. Especially is increment in sympathetic activity considered to play an important part in psychological adaptation to flight. |
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