Explanation and video: <a href="https://stories.uh.edu/2022-soleus-pushup/index.html" rel="nofollow">https://stories.uh.edu/2022-soleus-pushup/index.html</a> , <a href="https://www.youtube.com/watch?t=6&v=yaK6TThRMdE" rel="nofollow">https://www.youtube.com/watch?t=6&v=yaK6TThRMdE</a>