Answer:
The answer is: A. awkward posture.
Step-by-step explanation:
Forced postures and repetitiveness in the plastering of ceilings. Ceiling work is the worst from an ergonomic point of view. The main problems that characterize it are the following:
- Posture of neck extension and very high flexion of the arms.
- Extension of the wrists, having to apply a considerable force with them, associated with holding the trowel or talocha at heights above the level of the shoulders.
- Asymmetric repetitive movements, the most frequent is the lateral inclination of the trunk and arms, although there are also situations of trunk rotation.
The answer is: A. awkward posture.