What Is the SAID Principle?

SAID Principle (Specific Adaptation to Imposed Demands)-the human body will have a specific adaptability to the applied load.

SAID Principle

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SAID Principle (Specific Adaptation to Imposed Demands)-the human body will have a specific adaptability to the applied load.

SAID Principle (Specific Adaptation to Imposed Demands)-the human body will have a specific adaptability to the applied load.

Explanation: The principle of "specific adaptability to the requirements imposed" states that the body responds to specific requirements such as the number of practice groups, the number of repetitions, and the 1RM percentage. In order to achieve a specific purpose, the practitioner must use a special method to train a specific muscle, muscle group or physiological support system. Dissimilar components between training programs do not migrate to each other. For example, weight training with large resistance and less repetitions increases strength the most, while training with low resistance and more repetitions improves the muscle endurance best, but the increase in muscle strength and size is minimal. Therefore, the improvement of muscle strength, size, and local muscle endurance requires specialized training programs.

The body is a very intelligent machine. From the perspective of human chemistry, the change of the body is to better adapt to environmental changes while consuming less energy. For example, in order to adapt to long-term desk work, the human body will form a posture with round shoulders and humpback syndrome, in order to consume less energy in this posture.