20-minute home workout Exercises Training Methods by admin - 22 December 201722 December 20170 WH&F Head Trainer Sheena-Lauren shares her exclusive 20-minute home workout. All you need is a stopwatch, a mat and a box or chair. Let’s go!The workoutThis workout is divided into four five-minute blocks, all you need is 20 minutes. Set your stopwatch for five minutes with the alarm sounding every 10 seconds.Starting with push-ups and dips, set yourself up over the box (a chair is also good) to form an incline-push-up position