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Chapter 19 of 30 · 16 min read

Isometric and Eccentric Overload

By Omar AbdohUpdated

What this chapter covers

You are stronger than you think — specifically, about 20 to 50 percent stronger lowering a weight than lifting it.

This is not a quirk. It is a structural feature of how muscle produces force, and it exposes a permanent inefficiency in normal training: because you must lift the weight to lower it, every eccentric you perform is submaximal by definition.

In this chapter

  • The Three Contraction Types
  • Eccentric Overload: Methods
  • Why Eccentrics Wreck You
  • Isometrics: The Underrated Tool
  • Programming These Techniques Safely
  • Execution Checklist
  • Sources and reading notes

This book is educational and is not medical advice. It cannot account for your medical history, medication or injuries. Speak to a qualified clinician before changing how you eat or train, particularly if you are pregnant, managing a health condition, or returning from injury.

This chapter is part of the complete edition. Read chapter 1 free or see what is included.