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The Journal of Sports Medicine and Physical Fitness 2010 September;50(3):330-5

Copyright © 2010 EDIZIONI MINERVA MEDICA

language: English

Adiponectin responses to acute moderate and heavy exercises in overweight middle aged subjects

Bouassida A., Lakhdar N., Benaissa N., Mejri S., Zaouali M., Zbidi A., Tabka Z.

Laboratoire des adaptations cardio-circulatoires, respiratoires, métaboliques et hormonales à l’exercice musculaire, Faculté de Médecine Ibn El Jazzar, Tunisie


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AIM: The purpose of this study was to investigate the effect of acute moderate and heavy exercises on adiponectin, leptin and insulin concentrations in untrained subjects.
METHODS: Seven overweight middle-aged males participated in this study (age: 36.00 ± 5.16 years; body weight: 93.94 ± 6.48 kg; percent body fat: 26.64 ± 2.75%; Body Mass Index: 28.32 ± 1.74 kg.m2). They took part in two sub-maximal cycling exercises; moderate; 20 min cycling at 60% of peak aerobic power (PAP) and heavy: 20 min cycling at 80% of PAP. Venous blood samples were obtained before, after 30, 60 and 90 min recovery.
RESULTS: Adiponectin concentrations were unchanged (P>0.05) after exercises. However, leptin was significantly decreased under resting values after 30 min (-12.74%, P=0.0023), 60 min (-11.66%, P=0.0084) and 90 min (-8.42%, P=0.0023) after the heavy exercise. Similarly, insulin was lowered after 90 min after the heavy exercise (-55.96%, P=0.014). Basal adiponectin during moderate exercise was significantly and negatively related to BMI (r=-0.778, P=0.033) and percent body fat (r=-0.897, P=0.0061).
CONCLUSION: In conclusion our results suggested that 20 min moderate or heavy sub-maximal exercises not stimulate the production and the release of adiponectin during 1.5 hour recovery post-acute exercises. Furthermore, it appears that after acute heavy exercise adiponectin is not associated with leptin or/and insulin modifications.

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