These orange spuds are packed with energy boosting nutrients and contain a low cal, high fiber ratio that makes them a metabolic power player. (eatthis.com)
To quantify these data, we calculated the dark / light fiber ratio, which was significantly elevated in these muscles (Figure 5B). (jci.org)
Other major factors influencing ultimate muscular potential are muscle belly lengths, fast - twitch to slow - twitch fiber ratio, etc.. (weightrainer.net)