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  • Title: [Energy expenditure in reading and watching TV studied on 30 young females].
    Author: Sun R, Piao JH, Tian Y, Li WD, Liu JM, Tian Y, Li M, Dong J, Gou LY, Yang XG.
    Journal: Zhonghua Yu Fang Yi Xue Za Zhi; 2008 Mar; 42(3):196-8. PubMed ID: 18788586.
    Abstract:
    OBJECTIVE: To measure the energy expenditure of reading and watching TV for young women. METHODS: All 30 girls in the college were selected according to questionnaire, medical examination, blood test, liver function and thyroid gland level. Energy expenditure of reading and watching TV was measured respectively by the Cosmid K4b2 portable gas analysis system from Italy. Basic metabolic rate (BMR) and resting metabolic rate (RMR) were measured as to analyzing results conveniently. RESULTS: The energy expenditure in reading was (226.35 +/- 56.07) kJ/h and the heart rate was (69 +/- 5) bmp. For watching TV it was (220.79 +/- 65.69) kJ/h and the heart rate was (68 +/- 5) bmp. BMR was (178.53 +/- 53.51) kJ/h and the heart rate was (62 +/- 6) bmp. RMR was (214.76 +/- 44.56) kJ/h and the heart rate was (65 +/- 6) bpm. CONCLUSIONS: The energy expenditure in reading should be higher than that of watching TV, however, the difference was not obvious. The expenditure rates might get closer to those of RMR. It might be regarded as an expenditure of very light physical active in Chinese.
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