Description:

1. Try to run continuosly up and down the stairs (or escalator) for 2 minutes. Then have a 60 seconds pause. Repeat the exercise as much times as you need. 2. Lie flat on the floor with your lower backpressed to the ground and knees bent. Your feet should be on the floor and hands - behind your head. Contract your core muscle with hands, gently holding your head. Now left the right leg first and put it on the ground. Then lift the opposite leg. Keep lifting your legs one by one.

Muscle groups:

Core, Quads, Triceps, Hamstrings, Biceps

Equipment:

Step