Cardiovascular Fitness. The ability of the body to utilize oxygen efficiently. Cardiovascular Fitness.
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In designing the exercise prescription, keep in mind that some people engage in aerobic exercise to improve their health status or reduce their disease risk, while others are primarily interested in enhancing their physical fitness and performance levels.
Given that the quantity of exercise needed to promote health is less than that needed to develop and maintain higher levels of physical fitness, you must adjust your exercise prescription according to your client’s primary goal.
Because improvement in muscular endurance is largely specific to the muscles involved in exercise, it is important to consider unique vocational or recreational objectives of the exercise program when selecting activities.
For example, compared to treadmill testing, exercising on an electronic step ergometer elicits higher HRs, and stationary cycling typically results in somewhat lower HRs at the same relative exercise intensities.
When using the plotting method to obtain HRs for an exercise prescription, be sure to match the exercise testing and training modes by selecting a testing mode that elicits HR responses that are similar to those obtained for the training mode.
Throughout the improvement stage, the goal is to increase your client’s caloric expenditure from 800 to 2000 kcals per week by gradually increasing the frequency, intensity, and duration of the exercise.
Patients with functional capacities of < 3 METS benefit from multiple short daily exercise sessions; one to two sessions/day are most appropriate for three to five MET capacities; and 3 to 5 sessions/week are recommended for individuals with functional capacities > 5 METS.
When selecting aerobic exercise modes for your client’s exercise prescription, you should consider how easily the exercise intensity can be graded and adjusted in order to overload the CV system throughout the improvement stage.
The initial stage should include light muscular endurance exercises and low level aerobic activities (40 to 49% of HRR or VO2R), exercises which are compatible with minimal muscle soreness, discomfort, and injury.
To maintain fitness, a specific exercise program should be designed that will be similar in energy cost to the conditioning program and satisfy the needs and interests of the participant over an extended period.