david smith ms atc sports medicine 1. average college male ◦ 12%-15% athlete ◦ 8%-12% lowest...
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Body Composition and Eating Disorders
David Smith MS ATCSports Medicine 1
Average College Male◦ 12%-15%
Athlete◦ 8%-12%
Lowest Healthy◦ 3%
Male Body Composition
Average College Female◦ 20%-25%
Athlete◦ 10%-18%
Lowest Healthy◦ 10%
Female Body Composition
The number of calories consumed-the number of calories expended
Can expend calories by◦ 1) Metabolic Rate◦ 2) Exercise
If higher number of calories consumed than expended=gain weight
If lower number of calories consumed than expended=lose weight
Caloric Balance
Caloric Intake◦ College Athletes 2000-5000 Calories
Caloric Expenditure◦ College Athletes 2200-4400 Calories
Some people require more than 5000 calories if they are endurance athletes
Calories
Methods of Weight Loss◦ 1)Dieting
◦ 2) Increase amount of exercise
◦ 3)Diet and increase amount of exercise
Weight Loss
Long term weight control through dieting is only successful about 20% of the time.
Most people can not keep on a strict diet and fall off and return to previous eating habits.
Minimum Caloric Intake:◦ Females 1000-1200 Calories◦ Males 1200-1400 Calories
◦ Weight loss through dieting is 35%-45% lean tissue
Dieting
Weight loss through Exercise is loss of 80%-90% of fatty tissue.
Exercise results are:◦ Weight Loss◦ Increases cardio efficiency◦ Increases strength◦ Increases flexibility◦ Lowers Heart Rate◦ Lowers Blood Pressure
Exercise
This combination is the MOST efficient way to lose weight!
This includes moderate caloric restriction and increased exercise.
1-2 Lbs/Week Safe 4-5 Lbs/Week may be lost due to
dehydration To lose 1 Lbs must expend 3500 calories
Diet and Exercise
Bulimia◦ Commonly Female◦ Adolescent to Middle age◦ 1/200 aged 12-18 develop patterns of anorexia
too
Eating Disorders
Bulimics tend to:◦ Eat 1000’s of calories at 1 sitting after a period of
starvation◦ They follow up the eating with vomiting or using
laxatives
◦ The Definition is: Recurrent episodes of rapid, uncontrollable ingestion
of large amounts of food in a short amount of time, followed by purging, either by vomiting or using diuretics
Bulimia
Characteristics of Bulimics:◦ Typically white◦ Middle to Upper Class◦ Perfectionist◦ Over Compliant◦ Obedient◦ Highly Motivated◦ Good Grades◦ Well Liked◦ Good Athlete (Usually Gymnastics,Dance,Track,
may also be Male gymnasts and wrestlers)
Bulimia
Side Effects◦ Stomach Ruptures◦ Tooth Decay◦ Mouth and Throat Irritation and sores◦ Liver Damage◦ Disrupted Heart Rhythm
Bulimia
30%-50% of anorexics have symptoms of Bulimia
Distorted Body Image andmajor concerns of weight gain
15%-20% of diagnosed anorexics DIE!!!
Anorexia Nervosa
Any athlete with an eating disorder must be confronted in a sympathetic manner
Early detection is essential
Refer them to a Doctor ASAP They may follow up with a Psychiatrist
Key to treatment is getting them to realize they have a problem
They must volunteer for help can not make someone get treatment
Anorexia Nervosa