Remember when you were little and your mom hasn’t yet lost hope to instill good table manners in you, she would say: “Keep your elbows off the table” and maybe even sang you a song: Mary, Mary, strong and able, Keep your elbows off the table! This is not a horse’s stable…. Later in life, as you attended college and joined the workforce, you might have run into an ergonomics coach, who taught you how to maintain a proper sitting posture and showed you a diagram like this one h