Need a workout that gets you results fast? Self [1] has you covered.

You can tone, firm and burn quickly, and without any equipment. All you need is a little bit of space, a killer playlist [2] and the right moves. Here are a few of our favorite bodyweight routines that will deliver major results—in 20 minutes or less.

1. There's no better place to start than with your core. Tone and tighten your midsection with this five-minute ab routine [3].
2. If you're looking to master one strength-training move, this is the best total-body exercise you can do [4]. (Bonus: it also counts as cardio.)
3. Spike your heart rate with this celeb-trainer designed 20-minute high-intensity workout [5]. 
4. Combine cardio bursts with arm, leg, ab and butt strengthening exercises, and you've got this multitasking routine [6] that's guaranteed to make you sweat.
5. The secret behind this effective, 13-minute, fat-melting routine [7] is stacking the movements.