Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Jing Zhang ...

While most types of exercise involve a lot of moving around, isometric exercise is performed while sitting still – it's defined as a form of exercise involving the static contraction of a muscle ...

Isometric exercises are exercises that involve the contraction of muscles without any movement in the surrounding joints. Most muscle strengthening exercises involve moving the joints, using the ...