Author: Freesciencelessons via YouTube
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In this video, we look at the sliding filament mechanism of muscle contraction. We explore the roles of actin, myosin, tropomyosin and troponin in muscle contraction. We also look at how energy is generated for muscle contraction, including the role of creatine phosphate.

Image credits:

Marathon runner
https://commons.wikimedia.org/wiki/File:Lydd_Half_Marathon_%26_20_Miler_2016_FNK_9168_(25509480890).jpg
Funk Dooby from Kent, UK, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons

Rapid exercise
https://commons.wikimedia.org/wiki/File:200metres_Helsinki2005.jpg
Zen, CC BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5, via Wikimedia Commons

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