It’s not difficult at all; You can have tight muscles in 1 month, you can get your belly, hips and legs in shape!
lie on your feet
Lying on your back, lift your right leg into the air without changing the shape of your left leg. Extend your arms parallel to your knees and lift yourself forward. Then put your head on the ground without changing the shape of your leg. After repeating this movement 7 times, repeat the same for your left leg.