In this sutdy, by use of technique that was modified from Morey method, we discussed the histological influence on the soleus muscle of the rats caused by disuse. This study is characterized by the calculating of total numbers of muscle fibers. ST(slow-twitch)and FT(fast-twitch)fibers in total muscular cross-sectional area were classified by their difference in intensity of staining of actomyosin adenosinetriphosphatase(myosin ATPase).

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The purpose of this study is to examine effedts of hyperoxic gas mixtures on changes of blood indices during bicycle exercise of human. Oxygen-enriched gases (30%O₂) were inspired druing the ramp load exercise of 25 watt/min. Changes of blood indices were analyzed with Sequential Multiple Analyzer with the computer (SMAC).

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エヴェレストへの無酸素登頂者を含む一流の男子高所登山者(climber:clim.)4人を対象に,高炭酸ガス換気応答(hypercapnic ventilatory response : HCVR)および最大酸素摂取量(Vo₂max)を測定し,日常活発な身体活動を行っている対照群(Control:con.)8人と比較検討した。結果は以下の通りである。

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Effect of different electrodes on bioelectrical impedance values measured by the Selecobioelectrical impedance plethsmograph (SIF-881, Japan) were investigated using 8 adult females (age;35.3±7.6yr, Ht: 156.9±3.8 cm, Wt; 57.1±9.9kg, and hydrodensitometrically determined body fat:29.41±6.0%).

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Recentrly, an increasing number of supermarkets have been introducing the point of sales (POS) system. The scanner counter of this POS system makes repetitive operations including taking goods out of basket, letting htem pass through the scanner for their bara coads and then putting them in the next basket. The basket is about 25.5cm deep, and the counter must be high enough to satisfy two conditions that the base surface and the apper edge of the basket are not too low and not too high, respectiveley to take goods out of it.

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We investigated to discriminate those individuals categorized by (1) obesity, (2) hypercholesterolemia, (3) hypertension, (4) low maximal oxygen uptake, (5) an abnormal electrocardiogram reflecting ischemic patterns, and /or (6) real sedentary life, from relatively healthier individuals without coronary heart disease (CHD) risk factors. One hundred and six Japanese women, aged 30 to 72 years, all of whom were in the postabsorptive state, were recruited in a series of tests for anthropometric and physiologic profiles both during the resting state and during the submaximal-maximal cycling exercise.

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