Help STRENGTHEN YOUR LOWER BACK with these ‘BIRD DOG’ variations 💪 If you’ve got a stiff or cranky lower back, stretching is only one part of the solution. You also have to do some direct strength work. Bird Dogs are like Dead Bugs in reverse; they focus on the ‘muscular slings’ of the back of the body as opposed to the front. And if you didn’t know already - the lower back is in fact, part of your core therefore you should be including it regularly in your training to maintain structural balan