- Effects of a 6-week circuit training intervention on body esteem and body mass index in British primary school childrenMichael J Duncan
Faculty of Education, Health and Sciences, University of Derby, England, UK
Body Image 6:216-20. 2009..The improvement in body esteem scores from pre- to post-intervention was greater for girls as compared to boys. Additionally, BMI decreased significantly in the intervention group compared to the control group...
- Muscle activity of the upper and lower rectus abdominis during exercises performed on and off a Swiss ballMichael Duncan
Faculty of Education, Health and Sciences, University of Derby, Kedleston Road, Derby DE22 1GB, England
J Bodyw Mov Ther 13:364-7. 2009..To conclude, muscle activity was greater when exercises were performed on a Swiss ball in comparison to a stable surface and LRA muscle activity was maximized during the Swiss ball jacknife...
- Placebo effects of caffeine on short-term resistance exercise to failureMichael J Duncan
Department of Sport and Exercise Sciences, University of Derby, Derby, UK
Int J Sports Physiol Perform 4:244-53. 2009....