Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
©Journal of Sports Science and Medicine (2015) 14, 562 - 567

Research article
Characterisation of the Mechanical Loads and Metabolic Intensity of the CAPO Kids Exercise Intervention for Healthy Primary School Children
Rossana C. Nogueira1,2, Benjamin K. Weeks1,2, Belinda R. Beck1,2, 
Author Information
1 Centre for Musculoskeletal Research, Menzies Health Institute Queensland, Gold Coast, Queensland, Australia
2 School of Allied Health Sciences, Griffith University, Gold Coast, Queensland, Australia

Belinda R. Beck
✉Employment: School of Allied Health Sciences, Griffith University Gold Coast campus, QLD 4222, Australia
Publish Date
Received: 03-12-2014
Accepted: 14-05-2015
Published (online): 11-08-2015
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Sedentarism is associated with obesity and other chronic diseases at all ages. Increasing physical activity with in-school interventions, focusing on energy expenditure and bone loading reduces risk of a number of costly chronic diseases. The aim of the current study was to characterise the metabolic and musculoskeletal load intensity of the recent successful CAPO Kids exercise intervention. Pre and early pubertal children (10.4 ± 0.5 years old) from the CAPO Kids trial wore an armband sensor to estimate energy expenditure during a 10-minute CAPO Kids session. Eleven participants performed manoeuvres from the session on a force platform to determine vertical ground reaction forces. In total, 28 boys and 20 girls had armband measures and 11 boys and girls undertook GRF testing. The energy expenditure associated with the 10-minute session was 39.7 ± 9.3 kcal, with an average of 4 kcal·min-1. The intensity of physical activity was ‘vigorous’ to ‘very vigorous’ for 34% of the session. Vertical ground reaction forces of the CAPO Kids manoeuvres ranged from 1.3 ± 0.2 BW (cartwheels) to 5.4 ± 2.3 BW (360° jump). CAPO Kids generates adequate load intensity to stimulate positive health adaptations in both metabolic and musculoskeletal systems of pre and early pubertal children.

Key words: Pediatrics, energy expenditure, ground reaction forces, physical activity

           Key Points
  • Energy expenditure of a single bout of CAPO Kids yields 39.7±9.3 kcal and includes activities performed at a vigorous and very vigorous intensity.
  • Mechanical loads associated with CAPO Kids surpass five times bodyweight and more than 140 bodyweights per second.
  • CAPO Kids intervention represents a viable approach to stimulate musculoskeletal and metabolic adaptation in children.
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