Cadence and Intensity in Children and Adolescents (CADENCE-KIDS)
| Status: | Completed |
|---|---|
| Conditions: | Healthy Studies |
| Therapuetic Areas: | Other |
| Healthy: | No |
| Age Range: | 6 - 20 |
| Updated: | 9/2/2018 |
| Start Date: | December 2013 |
| End Date: | April 2017 |
The purpose of this study is to measure and link cadence (number of steps taken in a minute)
to intensity of physical activity (e.g., low-intensity, moderate-intensity,
vigorous-intensity) in children and adolescents (6-20 years-old), and to identify the cadence
values corresponding to children's and adolescent's behavior during simulated free-living
activities.
to intensity of physical activity (e.g., low-intensity, moderate-intensity,
vigorous-intensity) in children and adolescents (6-20 years-old), and to identify the cadence
values corresponding to children's and adolescent's behavior during simulated free-living
activities.
Procedure - 1 visit - (approximately 3 hours in total)
Day of Testing: Participant must be FASTED - No food for 4 hours before visit. All of the
study procedures involving the participant will be completed in a single testing session
(one-day - approximately 3 hours) at the Pennington Biomedical Research Center. If preferred,
two visits on separate days can be scheduled to complete the protocol.
- Screening questions (approximately 3-5 minutes)
o Participants (or their legal guardian) will be asked to answer several screening
questions to determine their eligibility for participating in CADENCE-KIDS.
- Height and weight measures data collection (approximately 10 minutes)
- Height will be measured.
- Body weight and body fat percentage will be measured using a specialized scale.
- Waist circumference will then be measured using a measuring tape.
- Instrument attachment, treadmill walking, free-living activities (approximately 140
minutes)
- Participants will be fitted with 10 devices (Digi-Walker Pedometer, NL-1000
Pedometer, StepWatch Activity Monitor, SenseWear Armband, GT3X+ accelerometer,
GENEActiv Accelerometer, Actical Accelerometer, ActivPal Accelerometer, Polar Heart
Rate Monitor, K4b2 Portable Metabolic Unit) to measure/monitor physical activity
throughout the testing session.
- Participants will then complete several low intensity free-living activities while
their physical activity and oxygen uptake are concurrently assessed. Specifically,
participants will rest in a chair, watch a portion of a child-friendly movie while
seated in a chair, and color in a coloring book while seated in a chair. Each
activity will last for 5 minutes and a 2 minute rest will occur between each
activity.
- Participants will then complete a series of walking bouts on a treadmill while
their physical activity and oxygen uptake are concurrently assessed. The walking
bouts start at 0.5 miles per hour and end at 5 miles per hour (0.5 miles per hour
increments). Treadmill testing stops when the participant finishes the bout where
they naturally select to jog/run, or following the completion of the last bout at
5.0 miles per hour, whichever occurs first. A 2 minute rest will occur between each
treadmill bout.
- Participants will then complete three additional free-living activities where
physical activity and oxygen uptake continue to be concurrently measured.
Specifically, participants will step up and down on an aerobic step at 88 beats per
minute, dribble a basketball, and perform jumping jacks at 126 beats per minute (63
jumping jacks per minute). Each activity will last for 5 minutes and a 2 minute
rest will occur between each activity.
Day of Testing: Participant must be FASTED - No food for 4 hours before visit. All of the
study procedures involving the participant will be completed in a single testing session
(one-day - approximately 3 hours) at the Pennington Biomedical Research Center. If preferred,
two visits on separate days can be scheduled to complete the protocol.
- Screening questions (approximately 3-5 minutes)
o Participants (or their legal guardian) will be asked to answer several screening
questions to determine their eligibility for participating in CADENCE-KIDS.
- Height and weight measures data collection (approximately 10 minutes)
- Height will be measured.
- Body weight and body fat percentage will be measured using a specialized scale.
- Waist circumference will then be measured using a measuring tape.
- Instrument attachment, treadmill walking, free-living activities (approximately 140
minutes)
- Participants will be fitted with 10 devices (Digi-Walker Pedometer, NL-1000
Pedometer, StepWatch Activity Monitor, SenseWear Armband, GT3X+ accelerometer,
GENEActiv Accelerometer, Actical Accelerometer, ActivPal Accelerometer, Polar Heart
Rate Monitor, K4b2 Portable Metabolic Unit) to measure/monitor physical activity
throughout the testing session.
- Participants will then complete several low intensity free-living activities while
their physical activity and oxygen uptake are concurrently assessed. Specifically,
participants will rest in a chair, watch a portion of a child-friendly movie while
seated in a chair, and color in a coloring book while seated in a chair. Each
activity will last for 5 minutes and a 2 minute rest will occur between each
activity.
- Participants will then complete a series of walking bouts on a treadmill while
their physical activity and oxygen uptake are concurrently assessed. The walking
bouts start at 0.5 miles per hour and end at 5 miles per hour (0.5 miles per hour
increments). Treadmill testing stops when the participant finishes the bout where
they naturally select to jog/run, or following the completion of the last bout at
5.0 miles per hour, whichever occurs first. A 2 minute rest will occur between each
treadmill bout.
- Participants will then complete three additional free-living activities where
physical activity and oxygen uptake continue to be concurrently measured.
Specifically, participants will step up and down on an aerobic step at 88 beats per
minute, dribble a basketball, and perform jumping jacks at 126 beats per minute (63
jumping jacks per minute). Each activity will last for 5 minutes and a 2 minute
rest will occur between each activity.
Inclusion Criteria:
- 6 to 20 years of age at the time of study enrollment
- Not limited in the ability to walk
Exclusion Criteria:
- Hospitalization for mental illness within the past 5 years.
- Any condition/medication that may affect heart rate response to exercise testing.
- Previous history of, or clinical symptoms or signs of, cardiovascular disease, stroke
or transient ischemic attacks, chest pain, unusual dyspnea during physical
activity/exercise, severe ankle edema, or intermittent claudication.
- Previous history of musculoskeletal injuries or problems causing severe pain during
physical activity or exercise which interferes with daily activities.
- Participant has a pacemaker or other implanted medical device (including metal joint
replacements).
- Participant is pregnant.
- Participant is unable to complete all testing (1 or two sessions, as preferred) within
a maximal two week period.
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