According to exercise prescription guidelines and FITT Principles, how many days per week for vigorous-intensity exercise.

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BlackTom AI · Accepted Answer

Diving into the FITT framework and exercise prescription guidelines, each option corresponds to a potential weekly frequency for vigorous-intensity activity.
Option a: 2 days. This is likely too infrequent for most adults to meet health and fitness goals with vigorous effort, since guidelines typically recommend multiple days per week to achieve adequate training stimulus. It may fall short for improvements in cardiorespiratory fitness and overall health when the intensity is vigorous.
Option b: 3 days. This aligns with common guidelines that suggest engaging in vigorous-intensity exercise on most days of the week or at least three times per week to accrue sufficient training stimulus without excessive fatigue. It provides a balance between recovery and adequate workload.
Option c: 4 days. While acceptable for some individuals, this frequency may push recovery needs depending on session duration and volume. It’s a higher weekly load that not everyone may tolerate, but still within typical ranges for vigorous training depending on program design.
Option d: 5 days. This is a higher end of frequency for vigorous work and could be appropriate for well-trained individuals or high-volume programs, yet it can increase injury risk and require careful recovery planning for most populations.

Given standard exercise prescription guidelines and the FITT principles, the frequency that best matches the commonly recommended minimum for vigorous-intensity work is three days per week, providing a practical balance between training stimulus and recovery. Advocates of more aggressive programs may opt for four or five days with appropriate adjustments to volume and intensity, but three days remains a typical default recommendation for many adults.

HESM 286 (001) FALL 2025 Cumulative Final Exam

According to exercise prescription guidelines and FITT Principles, how many days per week for vigorous-intensity exercise.

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