Here’s how to do it, anytime—you don’t even need to get up. Targets: spinal flexion and extension and chest extension Reps: 3-5 Sit upright in a chair, hands on your knees, palms facing down. Inhale ...

“If you take a one-size-fits-all approach, there are a lot of people who are miserable ... about the best ergonomic office chairs that will help you sit up straight and comfortably, while ...