ADVANCED BIRD DOG VARIATIONS 🔥Here are some more advanced versions of the bird dog that we like to layer on once someone has mastered the traditional bird dog! The goal of the bird dog - no matter what the variation - is to work on resisting rotational forces through the core region. When you lift your arm leg in the arm, you must stabilize through your remaining knee/foot and arm which naturally induces rotational forces that your body must counteract. Thus, we would label this as an anti-rota