Aren’t those all upper body muscles too?
An imbalance in upper body muscles indicates more development in particular muscle groups in the upper body while neglecting the other upper body muscles that balance them. This can lead to posture problems and in the worst case injury.
An imbalance in upper body muscles indicates more development in particular muscle groups in the upper body while neglecting the other upper body muscles that balance them. This can lead to posture problems and in the worst case injury.