Practice Motor Unit Recruitment - 3.4 | Chapter 4: Movement Analysis | IB 12 Physical and Health Education (SEHS)
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Motor Unit Recruitment

3.4 - Motor Unit Recruitment

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a motor unit?

💡 Hint: Think about how muscle movements are coordinated.

Question 2 Easy

What is the size principle?

💡 Hint: Consider which activities require finer control.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main function of a motor unit?

To provide strength
To control muscle contractions
To assist in joint movement

💡 Hint: Consider how muscles act in response to signals.

Question 2

True or False: Larger motor units are recruited first in muscle contractions.

True
False

💡 Hint: Think about the order of activation based on the effort needed.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a person is trained to increase the efficiency of motor unit recruitment, what physiological changes might occur?

💡 Hint: Consider how training affects muscle performance.

Challenge 2 Hard

Analyze how a coach might design training sessions to optimize motor unit recruitment for a sprinter.

💡 Hint: Think about progressive overload principles and their relation to performance.

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