Some haematological characteristics of competitive swimmers.
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Biomedical subjects
Publications and source records attributed to D W Kellett.
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Anthropometric and physiological measurements were recorded for a group of exceptional young swimmers undergoing an intensive training programme over 3 months. The observed changes are presented and are discussed in relation to the training undertaken, and are compared with expected changes due to normal growth. Some of the physiological parameters measured showed marked changes: average physical work capacity decreased significantly, while the physical fitness index improved. Many of the anthropometric changes were small, but a significant increase in lean body mass occurred in both boys and girls, and in both groups the average weight gain was greater than that expected. In individuals subjected to rigorous training significant changes in anthropometric and physiological parameters over and above the expected changes due to normal growth and development occur relatively quickly within a period of 3 months.
Physiological and anthropometric profiles of a group of successful young swimmers are presented. Anthropometrically the swimmers appear to fall within fairly narrow limits but are physically more mature than their peers. Physiologically there is greater diversity within the group representing perhaps the varying demands of the swimming events practised. All values for the physiological parameters measured are high compared with children of similar ages. For the future it is hoped to relate performance in swimming to the variables measured and to assess any changes which occur thus perhaps colouring the profiles presented here.