Kuma , 1 month ago I thought that was normal and I just had not learned how to not vibrate, I can vibrate my whole body by tensing up or whatever part I focus on. So I vibrate like crazy when I do the plank... Extremely annoying....
I thought that was normal and I just had not learned how to not vibrate, I can vibrate my whole body by tensing up or whatever part I focus on. So I vibrate like crazy when I do the plank... Extremely annoying....