His compact frame keeps his center of gravity low, enhancing his balance and making it almost impossible for the first defender to him to bring him down. (sportstarsmag.com)
The lithium - ion battery pack lives under the boot floor to keep the centre of gravity low. (evo.co.uk)
And lastly, dumbbells, combine both versatility to help muscle isolation and the forces of gravity pulling on the free weights to aid in increasing mass. (fitnessandpower.com)