Recommended exercises:
Wall stand: Stand against a wall for 10-15 minutes daily, keeping the back of your head, shoulder blades, hips, and heels pressed against the wall.
Plank: Strengthens core muscles.
Superman pose: Lie face down and lift your head and legs to work your back muscles.
Pull-up pull-up/hanging pull-up: Stretches the spine and strengthens back muscles.
Glute bridge: Lie on your back with knees bent and lift your hips. Stretch and move more: Instead of relying on corrective devices.