Which principle suggests that the effects of an exercise program are directly related to the exercise performed?

The principle that the effects of an exercise program are directly related to the exercise performed is known as the Principle of Specificity. This principle highlights that training adaptations are specific to the type of exercise being performed. For example, if an individual focuses on running, they will improve their cardiovascular endurance and muscle conditioning specific to running, rather than other forms of exercise like weightlifting or swimming.

This specificity ensures that to achieve desired outcomes, such as strength, endurance, or flexibility, the training must be closely aligned with those goals. Therefore, if someone is aiming to improve their speed in running, they would need to participate in sprint training rather than focusing solely on long-distance running. This principle underlines the importance of tailoring workout regimens to align with specific fitness objectives, ultimately guiding trainers in designing effective programs for their clients.