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Muscle Loss in Space

Muscle Loss in Space

In this activity students measure the change in the area of calf muscle from transverse MRI images collected from an astronaut before and after a prolonged journey in space. They measure and compare the total area of calf muscle from before and after flight to determine if muscle loss has occurred. The lesson introduces some reasons for the muscle loss, measures to reduce the loss, and other effects of space flight. Students perform the image analysis with WebImage, a customized version of ImageJ running in a browser.

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