You are never too busy for a Scientific 7-Minute Workout which is as effective as training and can be done anywhere!
Workout for SmartWatch app now gives you this high-intensity program which requires no gym, no special equipment, only resistance from your body weight, a chair and a wall.
In 12 exercises it combines a long run and a visit to the weight room into about seven minutes of steady discomfort — all of it based on science.
Each exercise is performed for 30 seconds with 10 seconds of rest in between.
Repeating the whole circuit two or three times for a total of closer to 20 minutes will likely benefit you even more.