My colleagues Terry Cockburn, Alison Heilig, and I all offered advice to Lauren Bedosky at the Silver Sneakers blog. Click through to get our take on which yoga class you should look for at any age: https://www.silversneakers.com/blog/yoga-for-seniors-which-class-best-for-you/
And if you’re looking for lots more advice, including how to create a home yoga practice that will see you through the years, please read Lifelong Yoga, which I cowrote with Alexandra DeSiato.