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Effects of 8-Week CrossFit-Based Concurrent Training on Fitness, Body Composition, and Psychological Outcomes in Schoolchildren
Sponsor: Maimónides Biomedical Research Institute of Córdoba
Summary
This study examines the effects of an 8-week CrossFit-based concurrent training program in boys and girls aged 7 to 11 years, comparing an experimental group (n=15) with a control group (n=15). The aim is to assess changes in strength, cardiorespiratory fitness, body composition, and psychological variables such as anxiety, stress, and self-esteem, using field-based physical tests (CMJ, Course Navette, handgrip strength, etc.) and validated questionnaires. The study follows a randomized controlled trial design with pre- and post-intervention assessments. The experimental group will complete two weekly CrossFit sessions adapted for children, while the control group will maintain their usual routine without structured physical training. The hypothesis states that the intervention will significantly improve both physical performance and psychological well-being in the experimental group compared to the control group.
Official title: Effects of an 8-Week CrossFit-Based Concurrent Training Program on Physical Fitness, Body Composition, and Psychological Outcomes in Schoolchildren: A Randomized Controlled Trial Protocol
Key Details
Gender
All
Age Range
7 Years - 11 Years
Study Type
INTERVENTIONAL
Enrollment
30
Start Date
2026-06
Completion Date
2026-07
Last Updated
2026-04-27
Healthy Volunteers
Yes
Interventions
CrossFit training
The experimental arm will receive an 8-week concurrent training intervention based on a CrossFit program adapted for children, with a frequency of two 50-minute sessions per week. Each session will be structured into a warm-up (mobility exercises and games), strength training (technical and functional exercises), metabolic conditioning (METCON), and a cool-down phase. The program will be supervised by qualified professionals to ensure safety and proper execution of the exercises.
Locations (1)
IMIBIC
Córdoba, Córdoba, Spain