The big problem with bad posture is that it often feels so good.
Postural considerations often relate to formed habits, and even though bad posture can have negative consequences in other areas of the body—and on bodily function as a whole—bad postural habits often feel comfortable and familiar. At first, bad posture is just bad posture, but over time, certain muscles can grow tight and strong while others grow stretched and weak, upsetting the body’s natural postural balance.
One of the most commonly encountered modern-day postural problems is upper crossed syndrome. First described by Dr. Vladimir Janda (pdf), upper crossed syndrome refers to a specific pattern of weakness evidenced in the upper body that is caused by prolonged and repetitive bad posture….