Functional Isometrics For Strength, Mass & Mind-Muscle Connection
The 3 Most Effective Isometric Methods You Should Be Using
Isometrics for More Muscle and Strength There are three primary actions a muscle can perform: concentric, eccentric and isometric. A concentric action means the muscle fibers are shortening, such as the “up” phase a biceps curl. An eccentric action means the fibers are lengthening, the “down” phase of a curl. An isometric [...]