Ever since the American College of Sport Medicine (ACSM) published an article in it’s Health & Fitness Journal with the title “HIGH-INTENSITY CIRCUIT TRAINING USING BODY WEIGHT: Maximum Results With Minimal Investment” it is been popping up on the internet as the so called Scientific 7 Minute Workout.
Perhaps spending 7 minutes of your time on these exercises might be useful?
Here a video and an infographic that explain what the workout is about:

Swami-mami-workout
Source: tribesports