
Plank exercises, in which you assume a position and hold it, are the gold standard for working your #core while classic sit-ups and crunches have fallen out of favor. Why the shift?

Plank exercises, in which you assume a position and hold it, are the gold standard for working your #core while classic sit-ups and crunches have fallen out of favor. Why the shift?







Exercise can ease rheumatoid arthritis pain. http://bit.ly/2kefPDE #HarvardHealth #rheumatoidarthritis


