If you haven't done any form of physical exercises in a while and want to start for better health, the following «10 exercises» are a good start. (fitwirr.com)
For optimum health, if you increase your calories to gain weight then (health permitting) gradually increase your level of physical exercise in order to maintain or increase your lean body mass. (bmi-calculator.net)
Most of that yoga is marketed as physical exercise as a health practice. (religion.blogs.cnn.com)