Simple butt lift movements
Kneeling leg lift: Place your forearms and knees on the ground.
Stretch your calves straight back along the ground, making an angle of 90 degrees to your thighs, retract your legs and tuck your hips.
Lift two legs, straighten them parallel to the ground, bend your knees, lift your feet up and raise your calves, straighten your legs and lower them, and return to the original position 15 times.
Hunchback and jump: Keep your feet apart and place your hands on the ground apart to form a V shape.
Lift one leg, tuck your hips, bend the raised leg, and then straighten it, 10 times.