I'd even stay with beginner classes. I try to do some moves here at home and goodness, you should have seen me with my hips and legs up in the air!! I used to be able to place my knees on the floor on either side of my head and touch the floor with my toes! not any more! but then, i was happy enough just to be able to try that pose again. my muscles are always tight. stretching is good, so yes, go for it.