Then they put the animals in an aquarium the size of a small bathtub and watched them dive and roll. They found the animals could deftly pull their lungs back to lift the tail for diving, shift them ...
Works back and glutes Place a weighted bar two feet in front of a Bosu. Lie facedown with your hips and belly on the Bosu, feet hip-width apart on the floor. Place your palms on the bar and lift your ...