Changes in body proportions of Japanese medical students between 1961 and 1986

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Abstract
Since 1945, the Japanese physique has changed a great deal. Physical examinations of medical students at Kyushu University have been carried out on an annual basis since 1939. We investigated changes in body proportions using data on 813 medical students examined from 1961 to 1986. During these 26 years, standing height has increased by 4.69 cm, arm length by 2.58 cm, and sitting height by 0.79 cm. Thus, the Japanese have grown taller and their extremities are longer, yet the trunk has not changed significantly. This study also shows a 10-year delay in increase in length of the upper extremities.