Tense shoulders, cramp or other unpleasant symptoms can be the result of incorrect posture. Simple relief can be provided by an ergonomic keyboard such as the CHERRY KC 4500 ERGO. With its special design, your hands and arms take up a more natural position by themselves. This relieves your shoulders and back and your relaxed posture reduces stress. The extra-soft palm rest with memory foam prevents pressure points and lets you rest your hands comfortably. The three feet allow you to raise the front of keyboard. This position is particularly comfortable when working in a standing position. The rubber feet also reliably prevent the keyboard from slipping