Here is an article which reviews the benefits of chair yoga, and also provides a sequence of 7 chair yoga exercises. Click here to read the article and try the exercises.
http://www.whitecloudwellness.com Mindful Chair Yoga involves gentle chair-based stretches done with a meditative awareness called mindfulness. This practice is accessible, convenient, and can help reduce stress and improve your well-being.
A 20-minute Chair Yoga video, from the Chopra Center. Some standing poses included (with chair for support). Offered free via YouTube. Closed Captioning available (press the CC button in the lower right corner, which will be visible after pressing play).