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![Heidi Rushforth](https://ph-avatars.imgix.net/507501/original.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
Heidi Rushforth
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I love how simple, yet comprehensive this is. Would love to share this with the Activity Club community and get a strength training challenge going.
![How to build muscle](https://ph-files.imgix.net/52086834-6d82-4bd8-8b93-5516bd98bb99.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
How to build muscle
An engineer's guide to building muscle.