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Lesson · Grade 6 · Physical and Health Education

Your Body Adapts to What You Train: The SAID Principle

  • Grade 6
  • Physical and Health Education
  • 1 min 10 s
  • British Columbia
  • BC6-PH-04

A diagram links three kinds of training to what each mainly builds: long runs to endurance (heart and lungs), stretching to flexibility (joints move further) and push-ups to strength (arm and chest muscles). It then shows that SAID stands for Specific Adaptations to Imposed Demands, with the training as the demands and the body's changes as the adaptations, and that specificity means stretching alone does little for endurance, so you should pick training that matches your goal.

Concept: Your body adapts to what you train: the SAID principle and specificity

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In one sentence

The question this lesson answers

Does every kind of exercise make you fit in the same way?

Long runs, stretching and push-ups each put a demand on your body.

Transcript

What the lesson says

Does every kind of exercise make you fit in the same way?

Long runs, stretching and push-ups each put a demand on your body.

With regular training, your body slowly adapts to each demand.

Long runs train your heart and lungs, so you build endurance.

Stretching lets your joints move further, so you become more flexible.

Push-ups make the muscles in your arms and chest stronger.

This is called the SAID principle.

SAID stands for Specific Adaptations to Imposed Demands.

Imposed demands are the training you do.

Specific adaptations are the ways your body changes to meet each demand.

This is called specificity: you mainly improve what you train.

For example, stretching alone does little to build endurance.

So pick training that matches your goal, like long runs for endurance.

Remember: your body adapts to the kind of training you give it.

Curriculum

Where this fits

British Columbia, Grade 6

Physical and Health Education, Healthy and active living: training principles to enhance personal fitness levels, including the FITT principle and the SAID principleBC6-PH-04

Previous: The FITT Principle: How Often, How Hard, How Long, What KindNext: What Shapes the Food You Choose?

British Columbia, Grade 7

Physical and Health Education, Healthy and active living: training principles to enhance personal fitness levels, including the FITT principle, SAID principle, and specificityBC7-PH-06

Previous: The FITT Principle: How Often, How Hard, How Long, What KindNext: What Different Activities Do for Your Heart, Lungs, Muscles and Bones

This lesson is also listed in Grade 7.

The outcomes and strands follow the British Columbia curriculum.

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