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TED-Ed

The surprising reason our muscles get tired - Christian Moro

5,646,566 Views

24,857 Questions Answered

TEDEd Animation

Let’s Begin…

You're lifting weights. The first time feels easy, but each lift takes more and more effort until you can’t continue. Inside your arms, the muscles responsible for the lifting have become unable to contract. What’s going on? Christian Moro explains how exactly our muscles operate, and what causes them to become fatigued.

Watch the video and finish the Think section to complete the lesson.


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Meet The Creators

Educator
Christian Moro
Director
Nichola Latzgo
Narrator
Addison Anderson
Animator
Nichola Latzgo
Designer
Nichola Latzgo
Producer
Aaron Augenblick
Sound Designer
Nichola Latzgo
Director of Production
Gerta Xhelo
Editorial Producer
Alex Rosenthal
Associate Producer
Bethany Cutmore-Scott
Associate Editorial Producer
Elizabeth Cox
Script Editor
Eleanor Nelsen
Fact-Checker
Laura Shriver

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