You don’t have to lose time losing weight. As a matter of fact, you can burn more fat in less time doing High Intensity Interval Training (also known as HIIT). HIIT is considered to be much more effective than normal cardio because the intensity is higher and you are able to increase both your aerobic endurance while burning more fat than ever before.
Check out these HIIT exercises you can do at home or at the gym:
10 Minute HIIT workout
(Do each exercise at high intensity for 45 seconds then rest for 15 seconds)
7 Minute HIIT Workout
(Do each exercise at high intensity for 30 seconds then rest for 10 seconds)
Chair step ups
Run in place