Which of these is not an example of an isotonic muscle contraction: tying your shoe, lifting a glass of water to your mouth, pushing against a wall, or writing a letter?

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Answer 1 · 2016-04-04T18:49:31

Pushing against a wall.

There are two types of muscle contractions : Isometric and Isotonic.

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Here we can see pushing against a wall is not an example of isotonic contraction. Rather, it is an isometric contraction.