From the viewpoint that the statistically obtained standard body weight should not be identical to the ideal body weight for the individual, an experiment was undertaken, using the present investigator himself as an experimental subject. The results may be summarized as follows.
The weight of the 160cm-tall subject was decreased from 83 to 56kg and it was kept unchanged for a year. Then a weight increase was attempted. From the lowest to the 63kg point, more increase in non-fat tissues than fat tissues was observed. On the other hand, from 63kg point, such tendency was reversed, i. e., little increase in non-fat tissues was found when more weight was added beyond 66kg.
When a training in a form of endurance running was in process, the weight started to be lost. During this process to the point of 61.3kg of weight, the weight loss was found to be mainly by reduction in fat tissues and not in non-fat tissues. Then, beyond the 61.3kg point, the reduction in non-fat tissues seemed to be the major cause of weight loss, as little reduction in fat tissues was observed.
When the recovery rate of blood sugar level upon intaking glucose after fast was examined, the greatest efficiency was obtained at the point of 62.3kg body weight. The farther the deviation of body weight was attained from this point, the worse the efficiency became to be.
When long distance running training was nundertaken with less than 62kg of weight, irregular ventricular contractions and ischemic symptoms in the frontal wall of the left ventricle was recorded under certain nutritional and exercise conditions.
No evidences to draw definite conclusions were obtained from the results in respiration quotient at the time of measurement of basal metabolism, changes in urinary excretions of nitrogen and creatinin, and muscular strength.
From the results obtained above, the ideal body weight of the current investigator was assumed to be in between 62 and 63kg.

This study was performed to investigate the optimal frequency of jogging in order to prescribe a jogging to myself as the subject. The program of jogging training was composed of two parts; I) jogging about 4 km 4 days a week for 12.5 years (having started from age of 50 years old), and then stop jogging for about 6 weeks, and II) jogging once a 5 days for 1 year. Blood pressure, blood components and the frequency of arrhythmias appearance were measured and discussed.
After 4 years from starting jogging at age of 50 years old, ventricular premature contraction (VPC) was observed, and then after 10 years VPC, including multifocal VPC, couplets and 3 consecutive VPC was observed frequently, especially after jogging. Therefore, jogging was stopped for about 6 weeks. In 2 nd part of jogging, no arrhythmias appeared in jogging once a 5 days. The recordings of blood pressure and blood components were normal and exercise-induced stress by a low frequency of jogging didn't increase.
Consequently it should be suitable to prescribe a jogging once a 5 days to myself.

The study was performed to clear the optimal frequency of jogging for the senior subject. The subject had run for 23 years, from 1971 to 1994. The distance of jogging was 5 km a day. It increased to 25 km during the 3 months immediately before the 17 th Honolulu Marathon. The electro cardiogram, and biochemical analysis of blood had been measured for 23 years. Annual total distance was 800±50 (mean±SD) km from 1971 to1984, and 300±20 km from 1985 to 1992. A decrease in the distance of jogging ws due to a change in the frequency of jogging from four times per week to one time per 5 days. Arrhythmia, an abnormal finding of blood biochemical analysis, and change in body weight were not observed after the decrease in frequency of jogging. It was suggested that the optimal froquency of jogging may be one time per 5 days for the present subject.

Kendo champions were measured in order to study neuromuscular coordination on blow and to examine influence of Kendo athletics on fundamental human grading ability about grading grip and standing broad jump graded. The results were as followes.
1) As subjects were ordered to voluntarily show one-third, one-second and two-thirds of his own maximum grip strength after checking his maximum value, no discrepancy of voluntary grip strength and ordered strength was shown between well trained Kendo champions and beginners. Standard deviation values of ten times grip strength were not much different between them.
2) As subjects were ordered to voluntarily show one-third and two-thirds of his own maximum standing broad jump after checking his maximum, no discrepancy of voluntary value and ordered value was shown between well trained Kendo champions group and weight training group. Standard deviation values of thirty times jump record were not much different between two groups.
3) Well trained Kendo champions and beginners were measured in blowing down with bamboo-sword at three different distances. In spite of beginners showed varied moments of blow and foot touching the floor when distance was changed, well trained Kendo champions showed uniform moment of them.

66 senior high school girls were tested on their ability of sport physique and skinfold. Correlation of these data were investigated. Results were as follows :
1) The skinfolds of the member belonged sport club didn't differ from those of other students.
2) Any difference of the results of physical fitness test among the groups of 10, 20 and 30 fat/body weight percent were not showed.
3) The ability of sports observed on the 30 fat/body weight percent group was inferior than the other two groups.
From above mentioned results we were discussed on the meaning of body fat for the senior high school girls. Farther more we considered the condition of the participants were inferior than the mean result of the nations on their sports test.

Healthy male adults (22-58 years old) and female adults (21-49 years old) were tested on the influence by the long distance walking and running.
6 males walked 50 km in 8 hours, 3 males walked 40 km in 7 hours, 2 females walked 50 km in 8 hours and a half hour, 4 females walked 35 km in 7 hours, and 5 females walked 20 km in 5 hours
All participants were tested on their bloods, urines and blood pressures at the starting time, 5 min after the goal in, and one hour after the goal in. The results were as follows.
1) Decrement tendency of the systolic and diastolic blood pressure were observed by the long distance walking.
2) Degree of concentrations of the blood was not correlate with the distance of walking.
3) Neutal white blood cells were increased in all groups, but 20 km walking female group. Lynphcytes were intensively decreased in all groups.
4) Degree of increase of blood lactate, blood sugar and FFA did not relate the distance of walking.
5) Increasing tendency of CPK and LDH were related to the walking distance, and that of CPK was more strictly.
6) The increase of LDH isoenzyme 5 in all groups except 20 km female group may be caused by impressive muscle work. But it was noticed that the significant increase of LDH isoenzyme 1 were observed in the groups of female walked above 35 km and 50 km wilked male group.
Further more 3 males were tested with 20 km walk, 13 and 20 km run. Above mentioned results we would like to propose that walking more than 20 km in female and 40 km in male and running more than 13 km in male should not be recommended imprudently.

The physical fitness of four well trained female on “Kendo” were tested and the results were as follows.
1) The grip strength grading ability of the subject was excellent than that of untrained female.
2) The reaction time was prolonged at the menstrual flow stage.
3) The grip strength and their grading ability were not influenced by the ovarial cycle.
4) The grip strength grading ability wasn't drop even if the test has been done immediately after the heavy Kendo training.

Thirteen healthy, untrained females whose ages varied between 37 and 44 years walked a distance of 26km rapidly on a summer day under extremely increment weather condition. Upon analyzing and reviewing anthropometrical measures, body composition, pulse rates, blood pressure and blood and urine test results, of eight subjects who successfully completed the exercise in 4 hours and 30 minutes, and of five other subjects who ceased exercise after 4 hours completing 20km walking, the followings were found.
1) No significant differences in after exercise effect of heart rates. In the meantime, mean systolic blood pressure of the 26 km-walking group decreased from 131.5 mmHg at early morning fast period to 116.3 mmHg right after exercise, while the value showed no changes in the 20 km-walking group.
2) The degree of increase in free fat acid (FFA) while was quite significant, was greater among 26 km walking group subjects than 20 km group. The changes in FFA recordings were considered to be indicative of active effort exerted for exercise.
3) The amount of triglycelide seemed to decrease more as the time length of exercise was greater, though no correlating trend with exercise intensity.
4) The amount of choresterole was observed not to be affected by exercise of less than 8 hours long.
5) From the urine test result, exercise intensity was suggested to be greater in 26km walking group than 20 km group, while harmful stress was estimated to be stronger in 20 km walking group than 26 km group.
6) The 20 km walking group was more influenced by blood thickening effect, increased LDH value more and showed greater decrease in blood sugar level.
7) Rate of body fat among healthy middle-aged women was expected to be between 25 abd 28 per cent.

This study was performed to investigate the exercise-induced stress in growing state in order to prevent the death during or after exercise. Thirty eight male and female subjects in junior high school were administered 5 minutes running test for 3 succesive years. Heart rate, blood pressure, electrocardiogram, and blood biochemical components were measured before and after 5 minutes running test. Prior to 5 minutes running test the investigation of the number of food intake and total steps a day were performed. The results obtained were as follows;
1) After 5 minutes running test, the subjects who had larger increment in CK-MB/ CK ratio walked fewer steps a day and had fewer number of food intake. And they had more drinks, especially juices.
2) In female subjects an excess of body fat was not a risk factor, but not in male subjects.
3) The subjects, who had larger increment in body fat than in body weight, tended to become higher levels in blood pressure and heart rate in resting than others.
4) The subjects, who walked more longer in 2 nd grade than 1 st grade in junior high school, tended to decrease the increment of heart rate before to immediately after 5 minutes running test.
5) Blood biochemical components were normal even if electrocardiogram was abnormal.
6) At 24 hours after 5 minutes running test, CK-MB/CK ratio and serum lipoperoxide levels increased and serum protein and albumin levels defreased in 3 rd grade in junior high school.
Consequently in order to prevent the death during or after exercise the investigation of food intake, total steps a day, and body fat must be administered before exercise sufficiently. And then electrocardiogram and blood biochemical components, especially CK-MB activity must be checked before, during, and after exercise testing.

High ranking Japanese weightlifters in Tokyo Olympics and high ranking adults and high school students in the 20th Japan National Athletic Meeting were chosen for the subjects. We made research about them for many patterns of movements of the Olympic three lifts which seemed to be the most reasonable way in analyzing the movements of the lifters, by comparing the results which were gotten by the 16 mm 64 frames side filming method with their official records and lifting marks. This led to the following conclusion :
1) At the begining of the clean, dead-lift, for the press the excellent lifters accelerate the bar at a higher speed, but the increase of speed after the begining is not so much. The Olympic lifters pull up the bar bending more forward, at a knee level. But excessive forword bending makes many lifters fail to clean weell.
2) Exellent lifters bigin pressing at a high speed by vigorous extension of their body, Less-trained lifters can not use vigorous extension of their body because of presing forward, or comming down the bar again, and bending the kenee joints.
3) In the snatch excellent lifters pull up the bar at a higber speed to the knees, but they at a speed of lower acceleration from the knees. Even if they are excellent lifters, they often fail to snach in the case of pulling with over-acceleration at that point. It is inportant also in the snatch to use effectively the power of lower ports of the body.
4) It is evident from the loci of the bar that, if the bar travells upward vertically, or near vertically, squat-style lifters need to jump back properly In the case they do not jump back the for moves back and forth excessively, many lifters fail to snatch if they jump back too much.
5) In the clean for the jerk an increasing acceleration in dead lift phase during clean is necessary to become a successful lifter. It is necessary to concentrate the power of the lower parts of the body as much as possible to accelerate on the bar to a knee level. From the knee level exce lent lifters pull the bar by using the pulling power of shoulders more aectively. The barbell falling down from the dead point must be held moderately not to fall down at a high speed.
6) If lifters overstrain the shoulder muscle groups and arms at the starting of the jerk and can not dip their body well in accordance weith dropp ing movement of the bar, they will fail to jerk.
7) The dropping speed of the bar at the first step of the jerk must be marked more carefully at the second phase than at the first phase. Many who make it increase more at the second phase will fail to jerk.
8) The bar of the excellent jerker goes up with very high speed at the begining. But of the speed of the bar after that there is no diffrence between lifters.