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Forced Movements

Viimati uuendatud: 25.02.2017


Forced Movements

Forced movements is the repetition of identical movements in the same position for nearly 45 minutes. Forced movements are also additional movements caused by uncomfortable working positions or tools, or movements with great movement extent. Repetitive movements are common for painters, flow lines, sorting, and many other situations.

In the case of forced movements it is necessary that employees could change their work operations, thus straining different muscle groups and avoiding overstraining the same muscle groups. Constant forced movements bring forth both muscular and joint damage, fatigue, strain the sensory system, cause mental stress and could also bring about digestion and circulatory system disorders.

The repetition of the same forced movements day in and day out, without doing anything to decrease and compensate for the harmful effect, intensifies the genesis of overstrain. First, the overstrained limb or area begins to feel uncomfortable and the ability to work decreases, then complaints about moderate pain follow. When the workload decreases, the pains can quickly pass, but when continuing work, the ability to work constantly decreases as it is uncomfortable to fulfil one’s tasks with aching muscles and joints. Next, indicators of illness process might appear – pains in problematic areas, swelling, sensitivity disorders, weakening of muscles. Then, characteristics of chronic illness become evident, leading to the constant decrease in the working ability and terminal disability (elbow joint inflammation, glenoid inflammation, tension neck syndrome, etc.). Damages brought about by forced positions may be located in neck and shoulders, lower back, elbow joints, forearm, wrists, palms, hips and knees.

Prevention

The adverse results of forced and repetitive movements can be avoided with using high-amplitude movements, make them alternating and arched. Quickly repeating identical movements, gestures requiring great accuracy, and wrist turning movement should be avoided. Rhythm is also crucial when it comes to forced movements – it is recommended that the employee must not constantly work with a pace higher than their abilities, and having regular breaks (e.g. 5-10 minute break in every 45 minutes) is also very important.

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