Plank is an excellent exercise for strengthening your core, improving your posture, and reducing back pain.
2.Cat Cow Stretch
Cat-cow stretch is a yoga pose that helps to improve spinal mobility and reduce back pain.getting on your hands and knees, with hands directly under shoulders and your knees under hip
3.Wall angles
Wall angels are a simple exercise that can help to improve your posture by strengthening your upper back and shoulders. Lift your hips off the ground, squeezing your glutes and core.