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This TED-Ed learning activity unpacks muscle fatigue resulting from 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.
The activity includes a video, multiple choice and open-ended questions, additional resources to dig deeper, and a guided discussion.
This alignment results from the ALEX Health/PE COS Resource Alignment Summit.
A free account is required to customize the lesson, share, or create lessons. Without logging in, the learning activity can still be viewed and suitable for limited device scenarios. This resource serves as a support to guide students through developing personal fitness plans or designing muscular strength components of a strength and conditioning plan.
