Title

Moderate Exercise-Induced Energy Expenditure Does Not Alter Leptin Levels In Sedentary Obese Men

Keywords

Acute exercise; Energy expenditure; Ghrelin; Leptin; Obesity

Abstract

OBJECTIVE: The purpose of the study was to determine whether exercise-induced increases in energy expenditure (EE) alter circulating leptin levels in obese individuals. DESIGN: Participants were randomized to an exercise intervention group (n = 8) or nonexercising control (n = 7). SETTING: All data were collected on an outpatient basis at the exercise physiology laboratory at the University of Central Florida. PATIENTS: Fifteen healthy obese males (24.9 ± 1.4 years old, body mass index 33.4 ± 0.7 kg • m). INTERVENTIONS: Members of the intervention group underwent a single exercise session of moderate intensity (58.4 ± 1.3% of VO2max) for 60 minutes. MAIN OUTCOME MEASUREMENTS: Postexercise, 24 hour postexercise, and 48 hour postexercise levels of leptin, insulin, and ghrelin. RESULTS: The exercise session elicited an EE of 567 ± 25 Kcal. No significant main effect or time-by-group interactions for leptin or ghrelin were observed immediately after the exercise bout or in the days following the intervention. CONCLUSIONS: These preliminary data suggest that a bout of acute exercise of moderate intensity and duration does not affect leptin concentration. It is possible that a higher level of EE is required to elicit substantial changes. © 2007 Lippincott Williams & Wilkins, Inc.

Publication Date

1-1-2007

Publication Title

Clinical Journal of Sport Medicine

Volume

17

Issue

1

Number of Pages

49-51

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1097/JSM.0b013e31802e9c38

Socpus ID

33847094292 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/33847094292

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