Clinical trial NCT00943436: The Effects of Exercise on Dietary Intake
Official title: The Effects of Exercise on Energy Balance and Macronutrient Intake in College-aged Males
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Active Lifestyle Males
Inactive Lifestyle Males
Keywords: Exercise
Sedentary
Energy Expenditure
Energy Balance
Macronutrient Intake
Energy and Macronutrient intake
Exercise and Energy Balance
Lead sponsor: The University of Tennessee, Knoxville
Sponsor class: OTHER
First posted: 2009-07-22
Enrollment: 20
Sex: MALE
Minimum age (years): 18
Maximum age (years): 30
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: NON_RANDOMIZED
Intervention model: CROSSOVER
Primary purpose: BASIC_SCIENCE

Brief summary: The purpose of this study is to determine whether or not energy and macronutrient intake changes when comparing habitually active and habitually sedentary college-aged males in two different sessions of one resting and one exercise.

Detailed description: Obesity is a consequence of positive energy balance, in which more energy is consumed than expended. It is hypothesized that regular amounts of physical activity may be important in helping individuals more accurately regulate energy balance. More research is needed to understand the impact of a physically active lifestyle on energy regulation capabilities Therefore, this study looks at sedentary college aged males compared to active college aged males when looking at two different sessions of energy expenditure, one exercise session and one resting session, and their energy and macronutrient intake after these sessions. The sessions will take place in the morning where each participant will exercise or rest and then be allowed to eat from a buffet ad libitum, where acute energy and macronutrient intake will be assessed.

The following hypotheses are proposed:

* Individuals who regularly engage in physical activity will more accurately respond to an energy deficit caused by an acute period of physical activity by increasing intake at a subsequent meal.
* Individuals who do not regularly engage in physical activity (sedentary individuals) will be less sensitive to accurately regulate energy balance and will not respond to an energy deficit caused by a period of acute physical activity.

Eligibility criteria: Inclusion Criteria:

* BMI of 20-25
* Percent body fat of 10-18%
* Exercises greater than or equal to 5 days/wk at 30 min/day or less than or equal to 1 day/week at 1 hour/day consistently for the past month
* Likes study foods

Exclusion Criteria:

* Does not fit in exercise criteria
* Allergies or unwillingness eat study food, falls
* From survey qualifies as a "conscious eater"

Primary outcomes:
measure: Energy Intake at the Meal (Exercise Session)
timeFrame: 2 hours
measure: Energy Intake at the Meal (Rest Session)
timeFrame: 2 hours
measure: Percent Energy From Carbohydrate at the Meal (Exercise Session)
timeFrame: 2 hours
measure: Percent Energy From Carbohydrate at the Meal (Rest Session)
timeFrame: 2 hours
measure: Percent Energy From Protein at the Meal (Exercise Session)
timeFrame: 2 hours
measure: Percent Energy From Protein at the Meal (Rest Session)
timeFrame: 2 hours
measure: Percent Energy From Fat at the Meal (Exercise Session)
timeFrame: 2 hours
measure: Percent Energy From Fat at the Meal (Rest Session)
timeFrame: 2 hours
Secondary outcomes:
Other outcomes:
Locations:
city: Knoxville
country: United States
facility: Healthy Eating and Activity Laboratory, University of Tennessee
state: Tennessee
Study officials:
affiliation: University of Tennessee, Knoxville
name: Hollie Raynor, PhD, RD
role: STUDY_CHAIR
References: