Risk-assessment methods
(1) QEC. The Quick Exposure Check (QEC) (David et al., 2003, 2008;
Li and Buckle, 1999b, 1999c) is posture-based. Combining the
observer’s assessment with the worker’s answers to closed
questions, it allows MSD risk factors to the back, arms, neck and
upper extremities at a workstation to be assessed. In addition
to an overall score for the whole body (QEC General), this
method provides a risk index for each targeted area (back,
shoulder-arm, wrist-hand and neck). The assessment takes
posture, movement frequency, effort and shift length into
account as well as psychosocial risk factors and exposure to
vibration