Eating disorders and exercise dependence Flashcards
Defining eating disorders: sub clinical levels of disordered eating:
Unhealthy attitudes towards their weight and food
May engage in some unhealthy eating
Do not meet the criteria for clinical diagnosis of an eating disorder
Defining eating disorders: Clinical eating disorder: Binge eating disorder:
Lack of control over eating
Rapid consumption of large quantities of food over a short duration
Guilt, embarrassment and disgust
Solitary eating
Defining eating disorders: Clinical eating disorder: Anorexia Nervosa
Intense fear of
gaining weight
Visibly
underweight (15%
below norms)
Amenorrhea
Disturbed body
image
Unaware of a
problem
Defining eating disorders: Clinical eating disorder: Bulimia Nervosa
Fear of being
unable to stop
eating
Bingeing & purging
Self-evaluation
defined by
appearance
Aware of a
problem
Defining eating disorders: Clinical eating disorder: Orthorexia Nervosa
Exaggerated fixation on healthy food
Why are Eating Disorders relevant for Exercise Scientists?
Most women exercise for appearance, not health reasons
(Silberstein et al., 1988)
Weight control identified as the main reason why women exercise
(Markland & Hardy, 1993)
Between 30 and 60% of female athletes use pathogenic methods of weight control
(Petrie, 1993)
60% of patients with Eating Disorders were athletes or dancers
(Davis et al., 1994)
Can Exercise Participation lead to Eating Disorders: ANOREXIA NERVOSA PATIENTS?
81% exercised excessively
during an acute phase
56% were regular sports/exercise
participants before dieting
51% reported above average physical activity during childhood
Can Exercise Participation lead to Eating Disorders: ADOLESCENT ANOREXIA NERVOSA PATIENTS?
More physically active
More obligatory commitment
Dramatic increase in physical activity
one year prior to diagnosis
defining exercise dependence?
Regular, daily, abnormal schedule
Exercise as priority
Withdrawal symptoms
Interferes with relationships
Disturbed psychological functioning
what is Primary exercise dependence?
No Eating Disorder
Dependent on the exercise itself, not secondary effects like weight loss
what is secondary exercise dependence?
Co-existing Eating Disorder
Dependent on the exercise for the secondary effects like weight loss
Excessive exercise is a symptom of the eating disorder