| Term | Definition |
| cross-training | switching between different activities and exercises on different days |
| FITT principle | a method for safely increasing aspects of your workout without injuring yourself |
| resting heart rate | the number of times your heart beats per minute when you are relaxing |
| target heart rate | the range of numbers between which your heart and lungs receive the most benefit from a workout |
| warm-up | a period of low to moderate exercise to prepare your body for more vigorous activity |
| cool-down | a period of low to moderate exercise to prepare your body to end a workout session |
| conditioning | a regular activity and exercise that prepares a person for a sport |
| PRICE formula | Protect, rest, ice and elevate |
| dehydration | condition caused by excessive water loss |
| heat exhaustion | an overheating of the body that can result from dehydration |