These muscles actually play an essential role in optimizing the strength of the legs, stabilize the pelvis, and support the spine.
30 Exercise Ball Core Workouts. These Swiss Ball exercises are effective in improving your core strength.
After following this 21-day arm plan, not only will your arms look toned — you'll also be stronger.
Arm (+Core) Hand Weight Workout
25 Best Ab Exercises for Women. Get crop top worthy abs with these effective abdominal moves.
Great core workout!
No equipment needed for this full-body workout, so you can do it anywhere!
Full body workout set to music! | The Slender Student
I need to start doing this!! Seems like it would be a great workout. (I wouldn't advise beginners to do this!)
The Ultimate Surfer Workout by Monica Nelson & Move Nourish Believe