I’m a Trainer, and These Are the 9 Ab-Strengthening Exercises Beginners Should Know

There are a lot of things to learn if you're new to working out. For example: the importance of warming up and cooling down, how to choose your weights, and how to strengthen your core.

No matter what your fitness goals are, you've got to have a strong core, because your core muscles stabilize your spine and pelvis, improveRead More – Source