Interesting paper looking at the effect of the soleus on whole body metabolism. It suggests all muscles do not have equal effects on body metabolism relative to muscle mass. Would affect success of exercise interventions and robotic exoskeletons. Hamilton MT, Hamilton DG, Zderic TW. A potent physiological method to magnify and sustain soleus oxidative metabolism improves glucose and lipid regulation. iScience. 2022 Aug 5;25(9):104869. doi: 10.1016/j.isci.2022.104869