Respuesta :

Agenttex
FITNESS PERFORMANCE IS HOW HIGH YOUR ENDURANCE IS AND HOW LONG YOU CAN STAY ACTIVE HOW LOW YOUR HEART RATE STAYS WHILE YOU MOVE ECT....
I'd say Practice and Heredity

(good) Practice because it's a direct way to increase skill, endurance, stamina and Heredity because not all creatures were created equal; some people will have a natural set of skills for a better "performance"