Helen Mirren, at just over 70, is in great shape which she attributes to
Royal Canadian Air Force Exercises. These were devised in the 1950s by Dr. Bill Orban to be followed when space and time are limited. The 5BX
range of exercises for men can be completed in eleven minutes. The ladies XBX plan is shown
here
I also found a web site that has suggested
yoga poses to start the day with.