A lack of clarity about this part of the body often leads to confusion about effective core training strategies.

This 30-minute, no-equipment routine uses five trainer-recommended moves to build core strength and define your abs.

Planks primarily work your abdominal muscles, including the rectus abdominis (what you think of as your abs), transverse ...

Discover 3 physio exercises—cat-cow, bird dog, glute bridges—that relieve back pain better than chiropractor visits.

"This may be controversial, but I think (know) this is the ONLY arms workout you need at home," she says of her go-to ...