All that hunched over posture causing you pain?? This hunched over posture forces the upper back muscles, particularly the rhomboids and trapezius, into a constant state of contraction to support the slumped position, leading to stiffness. At the same time, the chest muscles, such as the pectorals, are shortened and tight due to the rounded shoulder position, which restricts their ability to stretch and lengthen properly. Over time, this imbalance can contribute to discomfort and reduced mobilit