Ergonomic mouse | Ergonomics at the workplace

Ergonomic mouse

A proper mouse, together with the ergonomically adjusted desk height, offers the best conditions to avoid discomfort due to poor posture or overloading of hand and arm muscles. The mouse arm should form a right angle with the edge of the desk. The mouse should be adjusted to the size of the hand and correspond to its anatomy.

The size of the mouse is determined by the curved hand. An ergonomic mouse, which is adapted to the anatomy of the hand, is shaped so that it tapers to the fingers and is round at the ball of the hand. In an ergonomic mouse, the hand does not rest horizontally as in ordinary mice, but vertically, as if holding a glass.

This ensures that the muscles and vision of the forearm are not twisted when using the mouse, thus preventing overstrain due to incorrect posture. The mouse should be positioned as close as possible to the keyboard and a mouse pad with straight edges should be used. There are also mouse pads with a wrist rest or special wrist rests that ensure that the wrist does not bend up or down.

The speed of the mouse on the computer monitor should be adjusted to avoid unnecessary hand and forearm movements. Temperatures increase and performance decreases? Many workers wonder what their rights are in this situation.

Ergonomic keyboard

The ergonomic workstation is complemented by the ergonomic keyboard, which should be separable from the screen in order to maintain an optimal distance between eyes and screen and to avoid overloading the hands and forearms. A laptop, for example, would not be suitable for an ergonomic workstation because the keyboard cannot be individually adjusted here. The storage area for the hands in front of the keyboard should be 5-10 cm.

Further requirements for an ergonomic keyboard are the possibility of an inclination of up to 15 degrees and an overall height of 3 cm. Ergonomic keyboards can be made in two parts, where there is a bend in the middle of the keyboard and the two sides run towards each other in a pointed manner, as is natural for the position of the arms and wrists. This prevents the wrists from kinking.

The keyboard should be illuminated in low light conditions and the keys should be concave, i.e. with a small depression towards the middle of the key, to improve the grip of the keys of the ergonomic keyboard. There are also specifications for the key stroke, i.e. the ability to press the keys in, it should be 2 to 4 mm and not too stiff. Also for ergonomic keyboards there are shelves for the wrists to avoid bending up or down. The keyboard should be positioned close to the body to avoid bending over and humping.