If you are a beginner, here is a great cardio workout routine to try. This workout will give you an effective introduction to cardiovascular exercises.
Cardio Workout Routine
Warm up for 5 minutes by walking 3.4 MPH. After 5 minutes Jog at 4.7 MPH for the remainder of the time. If you become fatigued, decrease your speed and walk for 2 minutes. After 2 minutes, increase speed to a slow jog. Repeat as required.
Time: 15 Minutes
2.) UPRIGHT BIKE
Keep your RPM above 75
Time: 10 Minutes
3.) ELLIPTICAL GLIDER
Time: 5 MinutesKeep your strides above 125