For instance, jumping jacks, squats, push ups, and planks are all fair game for your workout. If you haven’t worked out in a while, focus on exercises that will improve your flexibility, as well as less strenuous exercises like walking, riding a bike, or using a treadmill. [4] X Expert Source Francisco GomezFitness Coach Expert Interview. 24 October 2019.

HIIT acts as a trade-off—while you don’t have to exercise as long, your workout will be much more strenuous than a normal, 30-60 minute workout. Since these workouts are short, you can fit them in almost any time. You can try doing them in the morning or evening, or fit a quick workout into your lunch break. [8] X Research source

If you find yourself getting winded easily, limit yourself to a shorter circuit.

Even master athletes don’t do HIIT exercise every day!

For instance, you can do 20 jumping jacks, 10 squats, 10 seconds of inclined push-ups, a 30-second plank, and 5 reps for each leg with the glute bridge.

You can warm-up your body by running for 10 minutes before you start.

Perform this workout multiple times, if you feel up to it!

You can opt for shorter circuits, if that’s easier.

It may help to go for an easy, 5-minute jog as a way to both warm up and cool down.