"The results were bigger than I expected." ...
Your core (that means both your back and abdominal muscles) is your source of power—seriously. It's also what helps stabilize your entire body, prevent low back pain, and impact your posture, helping ...
Cassidy Thompson on MSN
Ab challenge: 200 mountain climbers, 100 sit-ups & more – crush your core!
Take on this intense ab challenge to strengthen and tone your core before the new year! Complete 200 mountain climbers, 100 sit-ups, 100 Russian twists, and 100 side-to-sides in this full-core workout ...
Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results