A man is doing exercises on a mat while music plays.
A man is doing some jumping lunges on a mat in the gym
A man is on mats and the man is doing an exercise called stair climbers.
On exercise mats under him a man is performing lunges.
A man in a purple shirt is demonstrating how to do lunges.
A man is squatting and touching the floor in a runner's start position, hopping and alternating his leg position.
A man is doing the mountain climber exercise on some mats.
In a gym, a man is doing mountain climbing calisthenics on floor mats.
A man doing exercises  on a mat for training to climb
A man is exercising on mats to some electronic music.