1 Jumping rope is an amazing cardio workout that you can do anywhere and with just a jump rope. If you don't think jump rope is worth it, look at the training and the stamina of any serious boxer.2 When working out on treadmills, exercise bikes or elliptical machines, increase the intensity by letting go of the handles.As level of fitness increases, consider swinging dumbbells while doing your cardio.
3 If you are also lifting weights during the same workout session, do cardio last, even if you have to take a short rest. Research has proven that doing cardio after your strength training burns more calories.
4 You can do sprints on the treadmill and even add elevation to to increase the intensity.
5 Work on decreasing your rest between sets and exercises.Avoid taking long breaks and keep an eye on your watch. Rest no longer that one to two minutes if possible.
6 Add cardio interval training to your routines.
7 Challenge yourself safely and avoid injuries at all cost.
8 Walking can be an acceptable substitute for jogging or biking, just curl some dumbbells while you walk to add intensity.
9 Swimming is one of the most intense and fun cardio exercises you can find, enjoy it anytime you get a chance. Also since there is no impact, it makes safer on your joints.
10 Keep boredom away by challenging your muscles and cardiovascular system with a
circuit training routine