In conjuction with World Cup South Africa 2010, Umbro has released the World Champions Collection, showcasing the works of several talented artists to create a simply delectable line of World Cup inspired sportswear.

The World Champions Collection pays tribute to the 7 World Cup Champion nations namely Argentina, Brazil, England, France, Germany, Italy and Uruguay.

In Part 1 of the “Cardio” series, we explained in as short and simple manner as possible what ‘cardio’ is.

So know now you know what cardio is, which one would suit you best?

Frankly speaking, we can’t tell you that. The answer lies within yourself and your preferences. To the seasoned gym aficionado, the list of cardio activities below may seem pretty obvious but for the rest of us starting out, these are some of the basic varieties of cardio workouts. Straight-forward but effective.

So, how many of us really know what “cardio” means?

What do we do (need to start doing) it? Why is it important?

Hit the jump for your dose of Cardio 101.