"Long term effects" are present and measurable only while the exercise is taking place

Question

"Long term effects"  are present and measurable only while the exercise is taking place

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"Long term effects" are present and measurable only while the exercise is taking place.

To evaluate this statement, we consider what is meant by long-term effects in an exercise context. If one assumes that long-term adaptations (such as improved VO2 max, increased mitochondrial density, enhanced capillarization, improved lipid metabolism, and favorable resting-heart-rate changes) only occur during the act of exercising, that view ignores the nature of training adaptations.

- If we imagine the claim to be true, we would be saying that once training stops, these lasting physiological changes vanish or become unmeasurable, which contradicts a large body of evidence showing that many adaptations persist for days to weeks after a training bout and accumulate over months of consistent training.

- In contrast, the actual pattern of adaptations is that most long-term effects are accumulated and sustained over time, with some residual benefits remaining during detraining periods, albeit they may diminish gradually. The measurements of these adaptations are often taken well after sessions and across extended training programs, not only during exercise.

- A common misconception behind this statement is conflating acute responses (immediate, transient responses during a single exercise session, such as increased heart rate, transient lactate production, and elevated catecholamines) with chronic or long-term adaptations, which develop with repeated exposure over weeks or months.

- Additionally, some long-term effects can be observed during rest periods (e.g., resting metabolic rate changes, resting hormonal profiles, and baseline cardiovascular efficiency), which contradicts the idea that long-term effects exist only while exercising.

In summary, the assertion that long-term effects are present and measurable only during exercise ignores the foundational concept that many training adaptations persist beyond the exercise session and can be quantified during rest or after completing a training program. The broader understanding of exercise physiology emphasizes that sustained training leads to lasting changes, which are assessed over time, not exclusively in the midst of activity.

01:377:140:M6 FNDATIONS KINSIOLGY Quiz: Definitions & Exercise Physiology

"Long term effects" are present and measurable only while the exercise is taking place

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