The surprising reason our muscles get tired

Name: The surprising reason our muscles get tired
Uploaded: 2019-04-24T16:35:28Z
Duration: 4 min 12 s
Description: 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. [Directed by Nichola Latzgo, narrated by Addison Anderson].

5,967,621 plays|

Christian Moro |

TED-Ed

• April 2019

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. [Directed by Nichola Latzgo, narrated by Addison Anderson].