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Logo of brjsmedBritish Journal of Sports MedicineVisit this articleSubmit a manuscriptReceive email alertsContact usBMJ
Br J Sports Med. 2007 October; 41(10): 648.
PMCID: PMC2465153


In correlations of anthropometric data with performance, whether the investigated group is homogeneous or heterogeneous should be determined. A significantly positive relationship between body mass and running time can exist for a group of sprinters who are heterogeneous with respect to body composition, as a high fat percentage can induce high body mass, resulting in inferior running performance. On the other hand, a high body mass may also reflect a large muscle mass compartment in a well‐trained homogeneous group of sprinters, which might lead to a better running time and thus a negative correlation between running time and body mass. In kinanthropometry and sports anthropology, the different running disciplines have so far been well examined for these relationships. However, there is a scientific gap with respect to connections between anthropometry, body composition and triathlon performance. The authors report here that race time is not significantly influenced by directly measured anthropometric and calculated variables. It might be of further interest, however, to determine which relationships would have been found in a less homogeneous group with respect to performance level, body composition and somatotype.

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