| A | B |
|---|
| Aerobic Capacity | A measure of aerobic or cardiovascular fitness. |
| Anaerobic Activities | Physical activities performed at an intensity that exceeds the bodys capacity to supply oxygen. |
| Ratings of Perceived Exertion (RPE) | The assessment of the intensity of exercise based on how the participant feels; a subjective assessment of effort. |
| Active Recreational Activities | Activities done during leisure time that do not meet the characteristics of sports. Many types of active aerobics are recreational activities. |
| Paralysis by Analysis | An overanalysis of skill behavior. This occurs when more information is supplied than a performer can use or when concentration on too many details results in interference with performance. |
| Agonist muscle | Refers to the muscle group being stretched. |
| Antagonist Muscles | Refers to the muscle group on the opposite side of the limb from the muscle group being stretched (e.g., biceps and triceps). |
| Ballistic Stretch | Muscles are stretched by the force of momentum of a body part that is bounced, swung, or jerked. |
| PNF (Proprioceptive Neuromuscular Facilitation) Exercises | A type of static stretch most commonly characterized by a precontraction of the muscle to be stretched and a contraction of the antagonist muscle during the stretch. |
| Static Stretch | A muscle is slowly stretched, then held in that stretched position for several seconds. |
