Movement sequence

A movement sequence in the human body comprises coordinated and arbitrary sequences of individual movements. These have often been learned as a fixed routine that is dependent on the task at hand (such as gripping or walking).

Movement sequences are controlled by the central nervous system and executed by the musculoskeletal system (motor function). They must be taken into account when designing an optimum ergonomic and economical workplace. They are assessed by means of simulation processes such as cyclograms, continuous high-speed photography and computer-assisted motion capture systems.

Working practices can only be considered accident and risk-free and low-fatigue when the movement sequences involved are tailored to the physical requirements of personnel.

The following are some of the elements that must be avoided:

• Painful restrictions on freedom of movement,
• Inadequate tools, equipment and fixtures,
• Unsuitable positioning of primary tools and equipment,
• Highly repetitive movement sequences,
• Infrequent changes to posture.