Match the terms to their definition. 1. physical stress
states that the body adapts to increasing demand by developing the ability to handle those specific demands
2. plateau
how quickly your heart rate returns to normal after an activity session
3. progression
the ability to sustain a workload for an extended period of time
4. recovery heart rate
a principle stating that the results you get will be directly related to the type of work you do and to specific muscles or body parts being worked
5. specificity
a term used to describe the workload placed on the body in general
6. stamina
a principle that refers to the gradual increase in the amount of exercise sustained over a specified period of time
7. the overload principle
an element of fitness that is characterized by a decrease in improvement or a leveling off of performance