The study is designed to compare two methods of delivering short (\~10 min) physical activity breaks that will occur during the regular school day for 3 years. Schools will be randomized to deliver physical activity breaks led by either the regular classroom teacher or by a remote instructor through a video in the classroom. Both delivery methods will promote a variety of whole body movements using large muscle groups. The schools will not be able to choose which group (regular teacher or remote instructor) they will be part of.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
470
Activity breaks will be designed for delivery in the classroom without reconfiguration of the classroom space. Activities will emphasize whole body movements, using large muscle groups. Each break includes multiple activities. Each activity lasts about 2 minutes. There will be a total of about 20 minutes of physical activity done each school day.
University of Kansas Medical Center
Kansas City, Kansas, United States
Moderate-to-vigorous physical activity (MVPA) time during activity breaks
Measure will be calculated as the average number of minutes of moderate to vigorous physical activity (MVPA) during the period of activity breaks. Measure will be captured using an accelerometer.
Time frame: Year 3
MVPA time during the school day
Measure will be calculated as the average number of minutes of moderate to vigorous physical activity (MVPA) during the school day. Measure will be captured using an accelerometer.
Time frame: Year 3
Total daily MVPA
Measure will be calculated as the average number of minutes of moderate to vigorous physical activity (MVPA) during the entire day. Measure will be captured using an accelerometer.
Time frame: Year 3
Body mass index (BMI)
Weight and height will be combined to report BMI in kg/m\^2.
Time frame: Fall Semester Year 1
Body mass index (BMI)
Weight and height will be combined to report BMI in kg/m\^2.
Time frame: Spring Semester Year 1
Body mass index (BMI)
Weight and height will be combined to report BMI in kg/m\^2.
Time frame: Spring Semester Year 2
Body mass index (BMI)
Weight and height will be combined to report BMI in kg/m\^2.
Time frame: Spring Semester Year 3
Energy expenditure of activity breaks
Calculated as the number of calories used during a classroom activity break.
Time frame: Year 2
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