| Term |
Definition |
| Aerobic |
Requiring oxygen. Aerobic Metabolism occurs during low-intensity, long-duration exercises like running. |
| Anaerobic |
Without oxygen. Anaerobic metabolism in muscle tissue occurs during intense physical activities like weight lifting or sprinting. |
| Concentric |
The lifting phase of an exercise, when the muscle shortens or contracts. |
| Eccentric |
The lowering phase of an exercise, when the muscle lengthens. |
| Energy |
The capacity to do work. |
| Intensity |
A measure of how much force or energy is put forth during a task. |
| Repetition |
The number of times you lift and lower a weight in one set of an exercise. |
| Resistance Exercise |
Training with weights or using your body to resist a force. |
| Rest period |
The amount of time you allow between sets and exercises. |
| Set |
Group of repetitions of an exercise after which you take a brief rest period. |
| Abduct |
Movement of any extremity away from the midline of the body. this action is achieved by an abductor muscle. |
| Adduct |
Movement of an extremity toward the midline of the body. this action is achieved by an adductor muscle. |
| Extension |
Action of straightening of a joint as achieved by an extensor muscle. |
| Flexion |
Motion of bending a joint as achieved by a flexor muscle. |
| Pronation |
In the foot, it is a combination of motions resulting in a position such that the foot is abducted and everted. In the hand, pronation is movement of the forearm into a palm down position. |
| Supination |
Movement of the forearm into a palm-up position. |
| External Rotation |
Lateral movement of a joint or extremity to the outside. |
| Internal Rotation |
Rotation of a joint of extremity medially, to the inside. |
