Early vs. Late Referral for Scapular Exercises in Shoulder Function After Neck Dissection

This study compares whether starting shoulder exercises earlier versus later improves shoulder and arm function in people who develop shoulder problems after neck dissection surgery for head and neck cancer. **You may be eligible if:** - You are between 20 and 65 years old - You were recently diagnosed with head and neck cancer and had surgery to remove lymph nodes on one side of your neck (neck dissection) - You have shoulder weakness, drooping, or limited movement after surgery - You have uneven movement of the shoulder blade (scapular dyskinesia) **You may NOT be eligible if:** - Your cancer has spread to other parts of the body, or has come back - You cannot communicate or understand the questionnaires - You had shoulder pain within the year before surgery - You have other conditions that affect how your muscles work - You have a history of nerve or tendon problems in the affected shoulder (other than from the surgery) Talk to your doctor to see if this trial is right for you.