Effect of High Dietary Restraint on Energy Availability and Menstrual Status

INTRODUCTIONDietary restraint (DR) is a key eating behavior associated with menstrual disturbances (MD) in exercising women. However, the association between DR and energy availability (EA) has not been examined. PURPOSESThe objective of this study is 1) to compare EA in women when categorized by DR...

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Published in:Medicine and science in sports and exercise 2013-09, Vol.45 (9), p.1790-1797
Main Authors: GIBBS, JENNA C., WILLIAMS, NANCY I., MALLINSON, REBECCA J., REED, JENNIFER L., RICKARD, ASHLEY D., DE SOUZA, MARY JANE
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Body Composition
Cross-Sectional Studies
Diet, Reducing - psychology
Energy Intake
Energy Metabolism
Exercise - physiology
Female
Female genital diseases
Fundamental and applied biological sciences. Psychology
Gynecology. Andrology. Obstetrics
Human physiology applied to population studies and life conditions. Human ecophysiology
Humans
Medical sciences
Menstruation Disturbances - etiology
Menstruation Disturbances - urine
Non tumoral diseases
Retrospective Studies
Space life sciences
Surveys and Questionnaires
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
Young Adult
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Summary:INTRODUCTIONDietary restraint (DR) is a key eating behavior associated with menstrual disturbances (MD) in exercising women. However, the association between DR and energy availability (EA) has not been examined. PURPOSESThe objective of this study is 1) to compare EA in women when categorized by DR score, to include an evaluation of the frequency of women with low EA, and 2) to compare the distribution of subclinical and clinical MD between DR groups. METHODSExercising women (23 ± 4 yr; body mass index, 21.1 ± 1.9 kg·m; and exercise volume, 333 ± 198 min·wk) were retrospectively categorized by DR score into two groups1) women with high DR (n = 30) and 2) women with normal DR (n = 56). DR scores were obtained from the Three-Factor Eating Questionnaire. High DR score was defined as ≥13. Body composition was measured using dual-energy x-ray absorptiometry. EA was defined as energy intake − exercise energy expenditure per kilogram lean body mass (LBM). Low EA was defined as
ISSN:0195-9131
1530-0315
DOI:10.1249/MSS.0b013e3182910e11