2.1.5

Diagnostic Misconceptions - Types of Lever Systems

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Lever Classes

First class lever

  • When drawn the fulcrum is in the middle.
  • In sporting actions, elbow extension is the main example of this.

Second class lever

  • When drawn the resistance or load is in the middle.
  • In sporting actions, this only takes place at the ankle during plantar flexion.

Third class lever

  • When drawn the effort is in the middle.
  • In sporting examples, this typically takes place during flexion.
  • These are the most common in the body.

Jump to other topics

1Applied Anatomy & Physiology

2Movement Analysis

3Physical Training

4The Principles of Training

5Using Data

6Sports Psychology

7Socio-cultural Influences

8Health & Fitness

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