Perhaps in 2019, one of your resolutions is get healthier—eat better, see friends and family more, and maybe even exercise. Getting more (or any!) exercise can be a daunting proposition: there seems to be so much to know to get started, that just the work to get started in itself may put you off.

First, if you have a chronic health condition, speak with your doctor to ensure it is safe to exercise. In the meantime, if you need to wait for the green light, it may be safe for you to start with ge