Best 4 Cardio Workouts

Biceps, triceps, chest and back

5 minutes of fun! 1-minute rounds of these 5 simple ab exercises. Don’t forget to warm up beforehand and stretch afterward. Log your reps if you want to compare your progress. Challenge yourself and try to squeeze in a few extras next time.

Here's a solid 8 minute ab challenge for you! Can you do the whole workout without dropping your knees to the floor? If it doesn't happen today, stick with it, you will have an ab-solute strong core in no time.

A session designed to specifically target the abdominals and arms. Maintain '2 seconds down - 1 second up' speed on the arm sets for maximum effect.