| PE VOCABULARY |
1. Abduction - movement away from the body's midline. |
| 2. Adduction - movement toward the body's midline. |
| 3. Aerobic - in the presence of oxygen. |
| 4. Aerobic exercise - exercise in a long duration that requires a large supply of oxygen to produce energy. |
| 5. Agility - the ability to change positions of the body quickly and easily. |
| 6. Agonist - the muscle acting to produce a movement; prime mover. |
| 7. Anaerobic - in the absence of oxygen |
| 8. Anaerobic exercise - exercise of short duration that requires no oxygen. |
| 9. Angular - motion involving rotation around a central line or point. |
| 10. Antagonist - muscle that functions opposite of the agonist; assists in joint stability. |
| 11. Anthropometric - related to the dimensions and weight of body segments. |
| 12. Appendicular skeleton - bones of the appendages (e.g. - arms & legs) |
| 13. Atria - the two upper chambers of the heart. |
| 14. Atrophy - reduction of the size of the muscle, generally due to lack of muscular activity. |
| 15. Axial Skeleton - bones of the trunk and head. |
| 16. Basal metabolic rate - energy output of an individual at rest. |
| 17. Base of support - area bound by the outermost regions of contact between a body and support surface. |
| 18. Biomechanic - the branch of physics that analyzes motion and the action of forces with the resulting effect upon individuals and or objects. |
| 19. Body Composition - the proportion of lean body tissue to adipose (fat) tissue. |
| 20. Brachial Pulse - pulse located on the bicep brachialis, inside of upper arm. |
| 21. Buoyancy - a fluid force that always act vertically upward conteracting the force of gravity. |
| 22. Calorie - measurement of energy value of food (1lb of fat = 3,500 calories). |