The Annals of physiological anthropology
Print ISSN : 0287-8429
12 巻, 1 号
選択された号の論文の6件中1~6を表示しています
  • 大中 忠勝
    1993 年 12 巻 1 号 p. 1-10
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
    Exposure to ultraviolet radiation (UVR) occurs from both natural and artificial sources. The main natural source is the sun. On the other hand, artificial UVR sources are widely used in industry and also used in hospitals, Iaboratories, etc. because of their germicidal properties. They are even used for cosmetic purposes. UVR can be classified into three regions according to its wavelength : as UVA (320-400nm), UVB (320-280nm) and UVC (280-200nm). The UVC has the greatest health effect on humans among the three. The sun radiates a wide range of spectrum of electromagnetic radiation including the UVR, however the radiation below 290 nm in wavelength does hot reach the surface of the earth for effective absorption by the strato-spheric ozone layer. As a result, UVR from a natural source consists of only UVA and a part of UVB. On the other hand, artificial UVR sources include UVC region and have serious effects on the human body, especially on the skin and eyes.
  • 土井 正, 宮野 道雄, 綿貫 茂喜, 中根 芳一
    1993 年 12 巻 1 号 p. 11-16
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
    Experiments were conducted to compare the impact on several parts of the body caused by the striking of the heel during human gait. In these experiments, five kinds of wood flooring that have differing levels of light weight-impact sound insulating efficiency were used. The obtained results were as follows : 1) The generated acceleration at calcaneus varied with the difference of flooring. Accord-ing to the regression analysis, the open polygonal relationship between bound back coeffi-cient of floor and acceleration of calcaeus was determined. 2) The impact force given to the calcaneus propagated from the heel to the forehead after most of the force being absorbed at the ankle and the knee. We found direct correlation between the subjective feeling of floor pliabilty and the force to the leg. Therefore, it was suggested that the measurement of the force to the ankle and the knee was important in evaluating the efficiency of floors.
  • 金 憲経, 松浦 善行, 田中 喜代次, 稲垣 敦
    1993 年 12 巻 1 号 p. 17-23
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
    Excess body fat has generally been considered to be an influential factor to physical fitness and motor ability in obese boys. However, Iittle information is available on the physical fitness and motor ability in obese boys. The purpose of this study was to clarify characteristics of physical fitness and motor ability in obese boys. The subjects were three hundreds and five boys aged 12-14 years. Nineteen physical fitness and motor ability items were tested and skinfold thickness was measured at six sites. Bioelectrical impedance was measured using a tetrapolar impedance plethysmograph (Selco SIF-891). Body density was calculated from the formula of Kim et al. The results of comparison clearly indicated that the obese group was significantly poorer in 1, 500-m run, 5-min run, 50-m run, running long jump and many other variables, but was superior only in back strength. To analyze the factorial structure in boys, principal factor analysis was applied to the correlation matrix which was calculated with 19 variables, and then five factors were extracted. The obese group was significantly poorer in total body endurance and muscular endurance than the non-obese group. From these results, it was confirmed that the excess body fat could be one of the most important factors that affects the state of many physical fitness and motor ability elements in obese boys. However, the relationships between physical fitness, motor ability and the degree of fatness seem to be rather complicated. A great deal of data should be accumulated for more detailed analysis on the influence of the excess body fat in obese boys.
  • 増田 隆, 今井 克己, 村岡 康博, 小宮 秀一
    1993 年 12 巻 1 号 p. 25-30
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
    本研究は,38歳から57歳までの肥満中年女性11名を対象に,92日間の有酸素運動による体内深部脂肪量の変化を検討した。結果は,次のように要約できる。1)体内深部脂肪量と皮下脂肪量の治療前値は,それぞれ8.5±2.1kgと18.8±3.5kgで,総体脂肪量に占める割合は,体内深部脂肪量31.2%,皮下脂肪量68.9%であった。2)皮下脂肪量は,体重とr=O.900(p<0.001),総体脂肪量とr=0.839(p<0.01)の相関を示し,体内深部脂肪量は,体脂肪卒とr=O.707(p<0.05),WHRとr=0.703(p<O.05),および体内深部脂肪/皮下脂肪比とr=0,842(p<O.01)の相関を示した。3)92日間の有酸素運動によって体内深部脂肪量は平均-1.8kg(-21.2%),皮下脂肪量は平均-3.0kg(-16.0%)いずれも有意(p<0.001)に減少した。4)体内深部脂肪量の減少は,総体脂肪量の減少とr=0.856(p<0.001),体脂肪卒の減少とr=0.937(p<0.001),および体内深部脂肪/皮下脂肪比の減少とr=O.920(p<0.001)の高い相関を示し,年齢との関はr=O.615(p<0.05)であった。5)体内深部脂肪量の変化は,WHRや体内深部脂肪/皮下脂肪比の減少とは有意な相関を示さなかった。
  • 折原 裕, 大中 忠勝, 永井 由美子, 村松 常司
    1993 年 12 巻 1 号 p. 31-38
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
    Since the health hazard of asbestos fibers has been widely recognized, the number of asbestos abatement projects in schools has increased rapidly. Most of these projects were planned during summer vacation from school. However, in Japan, it is hot and humid in summer. Moreover, the workers have to wear impermeable protective clothing because of the asbestos exposure risk. The purpose of this survey is to study the workload of asbestos abatement work by measuring physiological reactions. Physiological strains of 12 male workers and working conditions during asbestos abatements work in two schools were measured in August in 1988 and in 1989. Body weight loss by the work of all workers was measured, and heart rate, rectal temperature and skin temperatures at five sites of some of them were measured every minute.
  • 関 邦博
    1993 年 12 巻 1 号 p. 39-55
    発行日: 1993/01/01
    公開日: 2008/02/08
    ジャーナル フリー
feedback
Top