The Feldenkrais Method® of somatic education uses gentle movement and directed attention to help people learn new and more effective ways of living the life they want. You can increase your ease and range of motion, improve your flexibility and coordination, and rediscover your innate capacity for graceful, efficient movement. Since how you move is how you move through life, these improvements will often enhance your thinking, emotional regulation, and problem-solving capabilities…
I per chance ran across this unique form of Yoga. I have posted 4 videos showing three different presenters demonstrating exercises for posture alignment, freeing neck and shoulder pain, healing your knees & foot and ankle stability. Do your own search and see if any of their approaches work for you.
This an exercise a person can do, laying in bed.
Standing up to Parkinson's 