Ace the Ontario Grade 12 Kinesiology Challenge 2025 – Stretch Your Limits and Score High!

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What does the principle of overload in fitness training refer to?

Increasing the weight lifted without prior planning

Challenging the body by adjusting exercise intensity or frequency

The principle of overload in fitness training emphasizes the necessity of challenging the body beyond its current capabilities to stimulate improvements in strength, endurance, and overall fitness. By adjusting exercise intensity, frequency, or duration, individuals can promote physiological adaptations that lead to enhanced performance and fitness levels. This principle rests on the understanding that the body will adapt to the stress placed upon it, and in order to continue making progress, one must systematically increase the demands.

For example, if someone is lifting weights, they should gradually increase the weight or the number of repetitions over time. Similarly, in cardiovascular training, increasing the duration or intensity of the workout can yield significant advancements in aerobic capacity. This method leads to muscle development, metabolic improvements, and better overall physical condition.

In contrast, options centered around random weight increases without planning, extended rest periods, or sticking to a consistent routine would not effectively apply the principle of overload. These approaches can limit progress and adaptation, as they do not push the body to adapt to new stresses.

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Resting longer between workouts

Following the same workout routine consistently

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