·If I want to do a planch, I have to improve my endurance and my strength.

·If I want to do lunges I have to improve my strength.

·If I want to do jumping jacks, I have to improve my endurance.

·If I want to do skipping, I have to improve my endurance.

·If I want to do a hamstring strech, I have to improve my flexibility.

·If I want to do a quad strech, I have to improve my flexibility.

·If I want to do a bridges I have to improve my  strength.