1. Circuit Training
“When you work out at a very high intensity the blood starts to pump a lot harder and that challenges the elasticity of the arterial wall,” explains says Brendan J. Fox, a Toronto-based health and fitness expert. “It sort of stretches the arteries and improves the elasticity for better cardiovascular fitness.” Opting for minimal rest periods, and alternating between upper and lower body exercises is the ideal way to get maximum results.