However, strengthening exercises early after the operation are not nearly as important as establishing motion. Therefore, your doctor is likely to institute strengthening exercises only after you can achieve excellent motion and shoulder comfort. After your prolonged shoulder arthritis and your shoulder replacement, your muscles are expected to be weak and sore. In many cases a period of time for muscle healing is required before strengthening can be started. If you have any questions about the advisability of these strengthening exercises, wait until you have checked with your doctor.
Shoulders require good muscle strength and posture.
An important exercise is the progressive supine press . It is most effective for helping you regain the ability to use your arm in an elevated position. The nice thing about this exercise is that you can do it by yourself and can adjust your rate of progress according to what is most comfortable for you. The exercise proceeds in small steps. Start by lying on your back, grasping a washcloth with both hands together.