NASM 6th Edition chapter 15 – Introduction to Exercise Modalities

NASM study guide chapter 15

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Chapter 15 NASM study guide

The different general modalities used by personal trainers and their benefits

Free Weights

  • Helps with core stabilization
  • Can be used by a wide variety of clients with different goals
  • Helps with postural stability
  • Exercise technique is important


  • Great for new clients (not as intimidating)
  • A spotter is not required
  • Great for clients with special needs
  • Can provide different intensities and weights

Elastic bands (rubber tubing)

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  • Cheap alternative to resistance training with weights
  • Different planes of motion can be used easily
  • Varying thickness, shapes and colors for different resistances
  • Can reach wide range of motions

Medicine balls

  • Comes in different weights
  • Good for power, endurance, and muscular strength
  • Benefits with dynamic power
  • Multiple planes of motion and intensities


  • Good for balance and coordination
  • Helps with core stability
  • Helps with the grip strength
  • Exercise technique is important

Body weight exercises

  • Uses one’s own body weight as the resistance
  • Exercise form is important
  • Additional equipment is unnecessary
  • You can train all the planes of motion


  • Helps to regress or progress exercises for special needs clients
  • Can help intensify the activation of muscles
  • Exercise technique/form is important

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Chapter 15 NASM practice quiz

Quiz Answer Key

Q1:  Which of the following is an advantage of strength machines?
A1:   They provide various intensities in one weight stack

Q2:  Which of the following is an advantage of using free weights?
A2:  They allow clients to move in multiple planes of motion

Q3:  Which of these is not a benefit of using elastic bands:
A3:  The tubes are great for power improvement

Q4:  Which of these is not a benefit of using medicine balls:
A4:   Good for building overall strength

Q5:  Which of these is not a benefit of doing body weight exercises:
A5:  Can help improve one rep max strength

NASM flashcards for chapter 15

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