競艇レーサーの身体的障害に関する研究 : 下肢のレントゲン写真を中心として

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Through general observation and biometry, examinations of tendon reflex and mobility of coxa, audiometry and x-ray of the lower extremities upon twenty motorboat racers in Japan in 1964, the following conclusions were acquired: 1. Although it seems recently that younger racers become smaller gradually, the results of the various examminations did not show any particular inferiority. 2. The longer the career, the higher the threshold of the Achilles tendon reflex in the both sides. As this relationship did not appear in the threshold of the knee-jeck reflex, this may not be attributed to the vacation, characterized by the act of maintaining the posture during the race. If this reflex be examined on the beginner, the relationship might be classified. 3. Some of the racers showed a lowering of audiotory acuity at 4,036 c.p.s. and 8,192 c.p.s. With the lack of date at the begining period, a comparative study was impossible, but it seems necessary to examine such disabled racers. There were many racers who complained of audiotory defects resulting from mechanical trauma. The trauma was caused by throwing out and hitting their left ear against water during the race. 4. The radiological findings were arthrosis deformans on the talus, on naviculare pedis and phalanges. The changes may be resulted from the load imposed upon the surface of the bones composed of these joints by the posture during the race. Many racers offered lumbago. As it might be possible that the posture and the repeated impacts caused the cahange of the spinal column, it is necessary to take X-ray pictures of the spine, knee, ankle and toes at the acceptance of racers. A systematic medical examination should be carried out at least twice a year in order to insure the health of the motorboat racers.
社団法人日本産業衛生学会の論文
1965-03-20

競艇レーサーの身体的障害に関する研究 : 下肢のレントゲン写真を中心として

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