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Phy Sci 5 - Final - Topic 15
Principles of Exercise Physiology
17
Physiology
Undergraduate 1
06/03/2009

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Term
Exercise
Definition
stress applied to the respiratory, cardiovascular, endocrine, and muscular systems.
Term
1) Modifiability
Definition
taking into account modifiable variables such as skill, motivation, speed, strength, endurance, body composition, power, flexibility, muscle metabolism, agility, & muscle size in order to modify an exercise plan to best suite the person.
Term
Fixed Variables
Definition
do not adapt to training response, dictate potential; i.e. height, birth weight, body size, sex, type of muscle fiber.
Term
Responder vs. Nonresponder
Definition
the genetic ability to adapt to a stress; one person might adapt quicker than another and some respond better to one stimulus than another.
Term
2) Overload
Definition
stress applied to the body must be administered at a level to elicit physiological improvement and bring about a training response. A system or tissue must be stressed at a level beyond which it is presently accustomed to for a training effect to occur. Combination of intensity, frequency, & duration.
Term
General Adaptation Syndrome
Definition
the body responds to overload by increasing the adaptive level (aka getting stronger or improving); exercise training is basically just a chronic adaptation to stress i.e. adding weight to your bench once body is able to handle the stress. One must allow ample time for body to adjust, then place another stress and so on to increase adaptive level. If stress is elicited too quickly, performance suffers, fatigue/injury can occur.
Term
3 Parameters (Time Frame for Eliciting Stress)
Definition
must determine frequency (how often i.e. days/week), intensity (how hard), and duration (how long i.e. hours/day). Inverse relationship exists between intensity & duration and when each parameter is change, training status can be improved.
Term
3) Adaptation
Definition
physiologial/biochemical changes that result from training or how the body responds to the stress of excercise imposed on it. Humans adapt quickly/effectively.
Term
Factors --> Training Effect
Definition
frequency, intensity, duration, program duration, initial fitness level, genetics (responder v non).
Term
4) Specificity
Definition
the adaptation that occurs is limited by the type of overload imposed i.e. specific exercise elicits specific adaptations thus creating specific training effects.
Term
5) Periodization of Training
Definition
variation of training over time to maximize long-term training benefits i.e. altering training days or muscle groups in a week. Alternating stress is essential to continual adaptation.
Term
Endurance Training Zone
Definition
performing 1000's of reps i.e. running; force generated does not elicit adaptations in muscle size or strength.
Term
Muscular Endurance Zone
Definition
25-100 reps i.e. 200m run; force generated NOT adequate to elicit changes in max strength but may induce some hypertrophy.
Term
Strength Training Zone
Definition
1-20 reps i.e. benching; elicits increase in strength by increasing muscle efficiency and size.
Term
6) Rate of Progression & Maintenance of Adaptations
Definition
if one doesn't exercise, any overload elicits an adaptation. Once one reaches higher level of fitness, intensity becomes critical to cause more adaptations to occur. Maintenance DEPENDS primarily on intensity. Freq & duration can be reduced as long as intensity is maintained.
Term
7) Individuality
Definition
training benefits are optimal when planned to meet each person's individual needs/capabilities. An exercise plan that is optimal for one may not be for another.
Term
8) Motivation
Definition
Psychological factors like one's desire to exercise play a role in training. Positive reinforcement is best.
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