Click on the links below to watch videos witch exercises regarding PE class:
https://www.youtube.com/watch?v=JoF_d5sgGgc
https://www.youtube.com/watch?v=K6X0ySx-_k8
https://www.youtube.com/watch?v=JoF_d5sgGgc
https://www.youtube.com/watch?v=K6X0ySx-_k8