Ever wonder how training zones, energy systems, and muscle fiber types all connect? This awesome chart by @ManuSolaArjona lays it out super clearly. Definitely worth a look — and if you're into Zone 2 training, his full article is a great read: solaarjona.substack.com/p/myths-and-truths-about-z…
The Unlazy Way
Ever wonder how training zones, energy systems, and muscle fiber types all connect? This awesome chart by @ManuSolaArjona lays it out super clearly. Definitely worth a look — and if you're into Zone 2 training, his full article is a great read: solaarjona.substack.com/p/myths-and-truths-about-z…
5 months ago | [YT] | 73