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001 EFFECTS OF BODY COMPOSITION MEASURES ON DIMENSIONS OF CARDIO-RESPIRATORY FITNESS

M. Siahkuhian, F. Rahmaninia, U. Barahmand.Mohaghegh Ardebili University, Iran

The effects of body composition measures on different dimensions of cardio-respiratory fitness have come to be an important aspect of research programmes in sports and exercise science. The present study aimed at exploring the effects of body composition variables on relative cardio-respiratory fitness based on body mass {ml/kg(BM)/min}, relative cardio-respiratory fitness based on fat free mass {ml/kg(LBM)/min}and absolute cardio-respiratory fitness in employees of Mohaghegh Ardebili University. To this end, the subjects (mean ± SD age 33.62 ± 7.07 years, height 172 ± 6.65 cm, weight 79.59 ± 11.9 kg) were divided into two groups as obese and non-obese. Cardio-respiratory fitness was assessed using sub maximal Ebbling treadmill protocol and body composition variables were measured using valid mechanical skin fold caliper and Jackson-Pollack 3 point equation. Findings revealed that relative cardio-respiratory fitness based on body mass of obese subjects was significantly lower than that of non-obese subjects (41.99 ± 10.23 vs 47.98 ± 8.47; p<0.01). In contrast, when relative cardio-respiratory fitness based on fat free body mass VO2 max {ml/kg (LBM)/min} was considered, no significant group differences were observed (57.44 ± 9.22 vs 54.32 ± 13.14).

Furthermore, a significant negative correlation was obtained between body fat percentage and relative cardio-respiratory fitness based on body mass {ml/kg. (BM)/min} (p<0.01, r = −0.376). However, no significant correlations were observed between body fat percentage and relative cardio-respiratory fitness based on fat free mass VO2 max {ml/kg.(LBM)/min} and absolute cardio-respiratory fitness (l/min) (r = −0.097, r = −0.043). Based on the above findings, it can be concluded that body fat percentage significantly influences cardio-respiratory fitness and is, therefore, a determinant of cardio-respiratory fitness.

Keywords: body composition; cardio-respiratory fitness; body fat percentage

002 BENEFITS OF STRENGTH AND PLYOMETRIC TRAININGS ON ATHLETIC PERFORMANCES IN PREADOLESCENT SOCCER PLAYERS

C. Lehance, I. Reiffers, T. Bury.Department of Sports Physiology, University of Liège, Belgium

The aim of this …

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