Features associated with excessive exercise in women with eating disorders

Hemal Shroff, Lauren Reba, Laura M. Thornton, Federica Tozzi, Kelly L. Klump, Wade H. Berrettini, Harry Brandt, Steven Crawford, Scott Crow, Manfred M. Fichter, David Goldman, Katherine A. Halmi, Craig Johnson, Allan S. Kaplan, Pamela Keel, Maria LaVia, James Mitchell, Alessandro Rotondo, Michael Strober, Janet TreasureD. Blake Woodside, Walter H. Kaye, Cynthia M. Bulik

Research output: Contribution to journalArticlepeer-review

194 Scopus citations


Objective: Excessive exercise and motor restlessness are observed in a substantial number of patients with eating disorders. This trait has been studied extensively among animal models of activity anorexia nervosa (AN) and may hold particular interest as an endophenotype for AN. We explored features associated with excessive exercise across subtypes of eating disorders. Method: Participants were female pro-bands and affected female relatives from the multi-site international Price Foundation Genetic Studies with diagnoses of AN, bulimia nervosa (BN), and both AN and BN or eating disorder not otherwise specified (ED-NOS) (N = 1,857). Excessive exercise was defined based on responses to the Structured Interview for Anorexic and Bulimic Disorders (SIAB). Results: Among the eating disorder diagnostic groups, excessive exercise was most common among the purging sub-type of AN. Individuals who reported excessive exercise also reported lower minimum BMI, younger age at interview, higher scores on anxiety, perfectionism, and eating disorder symptom measures, more obsessions and compulsions, and greater persistence. Conclusion: Excessive exercise may be associated particularly with the purging subtype of AN as well as with a constellation of anxious/obsessional temperament and personality characteristics among women with eating disorders.

Original languageEnglish (US)
Pages (from-to)454-461
Number of pages8
JournalInternational Journal of Eating Disorders
Issue number6
StatePublished - Sep 2006


  • Activity
  • Anorexia nervosa
  • Anxiety
  • Exercise

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