Killer
Do This With Your Heels For A Killer Ab Workout – Health Digest
The great thing about heel taps is that they focus on strengthening three muscle groups that make up your core (instead of just one) — the rectus abdominis, the transverse abdominis, and the obliques, Firpo told Women’s Health. The rectus abdominis (also known as the six pack) is the muscle that’s located between your ribs and pubic bone, the transverse […]