This study was performed in order to investigate the influence of exercise on muscle tone using the result of patellar tendon reflex. Subjects consisted of 23 healthy people, and 8 patients who were hyperflexia of patellar tendon reflex. And after each performed isokinetic exercise of the knee, measured amplitude of patellar tendon reflex. Healthy subjects showed a significantly longeramplitude at one, three, and five minutes after the exercise than that before the exercise. With respect to the patients, a significant increase in amplitude was observed at one and three minutes after the exercise. The results suggeted that incase physical therapy is performed on the patient who must consider the state of muscle tone, it is necessary to regulate both intensity and intervals of the exercise.

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The influence of the sit-to-stand movement with the hands grasped frontward on erector spinae muscle, rectus femoris muscle, and anterior tibial muscle was examined by the surface electromyography. Subjects were 10 hemiplegic patients and 10 healthy people as a control group. Both right and left anterior tibial muscle of healthy subjects showed a significantly lower maximum rate. The delay in the starting point of movement was also observed in left sides of anterior tibial muscles of healthy people and the disordered side of anterior tibial muscle of hemiplegic patient. These suggest that the position with the hands grasped frontward is considered to exert some influence on the position of bending-knee, the earlier stage of the standing up.

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Alignment of the lower limbs of twenty-one infants who suffered from the fracture of femoral diaphysis was examined from the viewpoint of both the change in growth of the major axis of leg, expecially concerning its overgrowth, and the deformation of the lower limbs, determined by the roentgenogram. The changes in growth of the major axis of leg were: 1)overgrowth in one year after the fracture was remarkable, 2)the severer shortening of bone occurred, the more remarkable overgrowth was observed, 3)with the decrease of difference in length of the limbs, overgrowth had a tendency to weaken, 4)approximately 80% of the all cases examined indicated overgrowth in crural bone adjacent to femur. The function axis of the lower limbs had already been in the normal position even in the period when the dislocation of the fracture point by flexion was not completely self-corrected. The dislocation was corrected at the point of metaphysis two or three months after the loading. In this study, the secondeary change in growth, overgrowth and deformation of the lower limbs, was considered to have a correlation with the loading volume and change in loading lines.

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The effect of backpack load walking on oxygen uptake and heart rate was studied on eight students using treadmill walking test. The backpack load corresponded to 10 % of each body weight, and the walking speed was set at from 3 to 8 kilometers an hour. The results obtained were inspected by the analysis of variance. 1) With respect to oxygen uptake, no significant difference was observed between the backpack load walking and the normal walking. 2) Concerning the heart rate, there appeared a significant difference (p<0.01) between the backpack load walking and normal walking at 5 kilometers an hour. The average rate of heart rate while walking with load showed 7.1 % higher than that while walking normally. With above results, it was concluded that the load carriage weighing 10 % of body weight was unsuitable for the therapeutic exercise, having only a slight effect on oxygen uptake and heart rate. On the other hand, this method is supposed to be used as the recreational activity for the aged or patients.

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Conditions of three ataxic patients who are unable to keep the standing position resulted from hemorrhage at their brainstems were investigated using graicorder and surface electromyograpy. Results obtained are as follows: 1) Of three patients two indicated myoclonus. 2) Rhythmical trembling observed when keeping the standing position coincided with the cycle of myoclonus. 3) Maintaining standing position was mainly controlled by the cerebellar ataxia side, that by the sensory ataxia side being hardly observed. 4) In order to keep the posture of repose, ataxia patients used also the mechanism for keeping position on moving.

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We conducted an analysis of sit-to-stand movement from a seated position of 20 healthy males by measuring floor reaction force. The aim of this study is to describe the floor reaction force pattern of normal sit-to-stand movement and to examine how the floor reaction force is influenced by a change of height of a chair, by a different position of feet, and by increasing trunk forward flexion. The floor reaction force pattern of normal sit-to-stand movement is characterized by two-peak pattern of vertical component which consists of a sequence of weight loading, weight releasing and weight loading. By changing height of a chair, it was found that the peak value of vertical component changed prominently. In the case of placing the feet anteriorly, the forward-backward component increased distinctly. Besides, we examined the movement of center of pressure in rising from a chair. Through these results, we considered about the kinesiology of normal sit-to-stand movement and its clinical application.

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In the field of the exercise physiology, an elementary knowledge for physical therapy, exercise test was selected as the subject of this ocassion. This paper describes history, kind, purpose, contraindication, protocol, and interruption point of exercise test, and comparison between several exercise tests. Taking above into accout, respiration condition and energy cost while performing exercise test were also discussed.

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In research activities, personal computers can be applied to various uses. For example, 1)reference of documentary records, and administration of members and patients, 2)using as a word processor, and preparation of charts, 3)stasistical calculation, and scientific calculation (wave analysis, simulation), 4)control of measurements, and 5)personal computer telecommunication.

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Ethics in research activities is essential, no matter what our subjects may be. This paper introduces the Helsinki Declaration and regulations (general principles) of ethics provided by the associations of both physical therapists and occupational therapists. In addition, materials concerning copyright, to which should be given attention in case of quoting papers or charts prepared by another person.

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Having the purpose of determining the future activities of Exercise Physiology Research Society, we conducted a elementary subjects for physical therapy. Subjects consisted of 120 members of our society and 80 nonmember physical therapists. Ther esults obtained indicated insufficiency for education of Exercise Physiology ats chool, and that the researches have hardly been performed among the subjects ins pite of their will.

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