So what is good posture? Good posture is the "neutral" position that the spine holds while standing, sitting, sleeping and walking. This position engages all the muscles that support the spine, putting equal pressure on them rather than extra pressure on only a few of them. Good posture keeps the vertebrae in line, promotes good circulation, and keeps pressure off the internal organs. Did you ever think about how sitting in a slumped position smashes your internal organs, interrupting digestion and breathing? Read more