Stand up straight! This is something youve probably heard many times since childhood, but the directive is even more important if you have arthritis. By practicing good posture, you can help protect your joints and prevent aches and pains as well as empower your exercise routine. Our joints arent meant to be in a slouched position. Proper alignment of the spine is one of the most important components for relieving stress from the joints and easing the pain of arthritis, says Jennifer Ochi, PT, DPT, ATC, a Cleveland Clinic physical therapist and athletic trainer.