At the end of every gym day — before social distancing began, that is — my fiancé and I would recap what workouts we both did. Without fail, he'd mention that he completed a set of bird dogs — a ...

Start in a crawling position. Your knees should be under your hips and your hands should be under your shoulders. Place a dumbbell in the crook of one knee and a lighter dumbbell in the opposite hand.

INDIANAPOLIS — If you want a strong back, you must have a strong core, and if you want a strong core, you must have a strong back. Jordan Estes at Lifetime has the move just for you. It's called the ...