Eating Behaviors & Girls’ Bone Loss
Food for Thought:
Adolescent girls who compete in athletic events sometimes fall victim to disordered eating, which has been linked to low bone mineral density (BMD). To explore the specific eating behaviors that lead to low BMD, researchers recently compared the attitudes and concerns of teenage girls who were endurance runners.
The study participants were 93 female competitive cross-country runners ranging in age from 13 to 18. The adolescents were assessed for different types of disordered eating, such as weight concern, shape concern, eating concern and dietary restraint, along with BMD history.
After adjusting for other variables, such as menstrual irregularities, the researchers found that dietary restraint was the behavior most associated with low BMD. Concerns regarding weight, shape and eating (or any combination of these three concerns) were not significantly associated with low BMD.
Reporting in the January issue of The American Journal of Clinical Nutrition, the researchers concluded that “in adolescent female runners, dietary restraint may be the disordered eating behavior most associated with negative bone health effects.”
For the latest research, statistics, sample classes, and more, "Like" IDEA on Facebook here.
© 2008 by IDEA Health & Fitness Inc. All rights reserved. Reproduction without permission is strictly prohibited.
IDEA Newsletter Sign-up
|Extreme Interval Training
In this course you'll learn goal-focused intervals and over 50 dynamic exercises and drills to create extensive and intensive training formats.
|Cut to the Core
This is a raw, unedited video filmed live at the 2009 IDEA World Fitness Convention™. Cut to the Core is packed full of core-focused exercises that aim to improve the way you look, feel and live.
|September 2011 IDEA Fitness Journal Quiz 4: Plyometric Training
This continuing education quiz is an in-depth look at plyometric training. Plyometric exercises—jumping, bounding, hopping, arm pushing, and catching and throwing weighted objects such as machine balls—are movements that involve rapid eccentric and concentric muscle actions.