Planks are effective but often dreaded and skipped. Here are the functional alternatives that target your deep abdominals and protect your spine at any age.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Planks are a go-to exercise for delivering full-body benefits with zero equipment. “If done correctly, ...

Planks are a go-to exercise for delivering full-body benefits with zero equipment. “If done correctly, they activate our major abdominal muscles, which are essentially the major muscles of the core, ...