Research Measurements

Measurement Protocol

Participants in the research component will complete a comprehensive assessment protocol at three time points:

  1. Baseline (Pre-intervention)
  2. Mid-intervention (Week 6)
  3. Post-intervention (Week 12)

Each assessment visit lasts approximately 2-3 hours and takes place at [Research Facility Name].

Primary Outcome Measures

Cardiorespiratory Function

VO₂peak Testing

  • Protocol: Ramp protocol on cycle ergometer or treadmill
  • Measurements: Peak oxygen consumption, VE/VCO₂ slope, oxygen uptake efficiency slope
  • Equipment: Metabolic cart with breath-by-breath analysis
  • Duration: 8-12 minutes plus preparation and recovery

Spirometry

  • Protocol: Standard pulmonary function testing
  • Measurements: FEV₁, FVC, FEV₁/FVC ratio, peak expiratory flow
  • Equipment: Clinical-grade spirometer
  • Duration: 15 minutes

Exercise Capacity

  • Protocol: 6-minute walk test on flat course
  • Measurements: Distance covered, heart rate response, recovery rate
  • Equipment: Heart rate monitor, pulse oximeter
  • Duration: 15 minutes including recovery

Insulin Resistance

Fasting Blood Analysis

  • Protocol: Morning blood draw after 10-hour fast
  • Measurements: Fasting glucose, insulin, HbA1c, lipid profile
  • Calculations: HOMA-IR, QUICKI
  • Duration: 15 minutes

Continuous Glucose Monitoring (Subset)

  • Protocol: CGM device worn for 7 days pre- and post-intervention
  • Measurements: Glucose variability, time in target range, post-exercise response
  • Equipment: Continuous glucose monitoring system
  • Duration: Device placement (30 minutes)

Secondary Outcome Measures

Body Composition

DEXA Scan

  • Protocol: Whole-body dual-energy X-ray absorptiometry
  • Measurements: Body fat percentage, lean mass, regional fat distribution
  • Duration: 20 minutes

Anthropometrics

  • Protocol: Standardized measurements by trained researchers
  • Measurements: Height, weight, waist circumference, hip circumference, neck circumference
  • Duration: 15 minutes

Physical Activity Assessment

Accelerometry

  • Protocol: Accelerometer worn for 7 consecutive days
  • Measurements: Minutes of MVPA, sedentary time, step count
  • Equipment: Research-grade accelerometer
  • Duration: Device setup (15 minutes)

Physical Activity Questionnaires

  • Protocols: International Physical Activity Questionnaire (IPAQ), Previous Day Physical Activity Recall
  • Duration: 20 minutes

Psychological Measures

Quality of Life

  • Protocol: Pediatric Quality of Life Inventory (PedsQL)
  • Duration: 10 minutes

Exercise Self-Efficacy

  • Protocol: Exercise Self-Efficacy Scale, Barriers to Exercise Scale
  • Duration: 15 minutes

Body Image and Satisfaction

  • Protocol: Body Esteem Scale for Adolescents and Adults
  • Duration: 10 minutes

Qualitative Assessment

Semi-Structured Interviews

  • Protocol: 30-minute interviews exploring experiences with the program
  • Topics: Barriers, facilitators, perceived benefits, challenges
  • Timing: Post-intervention
  • Duration: 30 minutes

Safety Monitoring

All testing procedures include:

  • Pre-assessment screening
  • Continuous monitoring during exercise testing
  • Immediate access to medical support if needed
  • Clear criteria for test termination
  • Post-testing observation period

Data Management

All collected data is:

  • De-identified and coded
  • Stored securely in compliance with data protection regulations
  • Accessible only to authorized research team members
  • Backed up regularly to prevent data loss