A Study was conducted to clarify the energy expenditure of nursing students while attending lectures, nursing practice and also during holidays. The total daily energy expenditure was calculated from the relationship between heart rate and energy expenditure obtained by recording the heart rate every minute for 24 h. Eleven nursing students participated.
The results were as follows;
1) The energy expenditure during lectures, practice and holidays was 1927±348kcal/day, 2133±396kcal/day and 1716±379kcal/day, respectively. Thus the value was obviously highest during nursing practice.
2) The energy expenditure in the first phase, middle and latter phases of nursing practice was 2048±473kcal/day, 1988±411kcal/day and 1829±391kcal/day, respectively. Thus there was a tendency for the value to decrease as practice progressed.
3) The energy expenditure per unit body weight while on duty in neurology, pediatrics and gynecology wards was 34.05±4.55kcal/kg/day, 39.71±3.66kcal/kg/day and 48.20±7.30kcal/kg/day, respectively. Thus duty in a gynecology ward resulted in the highest energy expenditure.
4) The daily living activity index for lecture, practice and holiday periods was 0.41±0.28, 0.56±0.30 and 0.36±0.32, respectively. Lecture and holiday periods were classified as intensity number I, and practice periods as intensity number II.
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