Pre-Course Quiz (For Consultants)(Duplicate) Quiz Please sign up for the course before taking this quiz. Sitting in neutral spine postures can relieve low back pain. True False It is difficult to measure the angle of spine postures at work. True False Sustained and relaxed sitting postures may change important hormone enzyme activity. True False There is a very small difference between upright and fully slumped spine posture. True False Slumping more than 20 minutes can stretch the ligaments of the spinal column. True False The best low back posture will allow some movement at the lumbar spine. True False Reclined chair adjustments can prevent slumped sitting. True False Slumped seated postures are known to increase low back pain. True False Forward head postures may contribute to symptoms of headaches and jaw pain. True False Slumped seated posture may be a common practice for years before causing symptoms. True False Contact pressures at the wrist are a common cause of wrist and hand pain. True False Slumped postures are commonly seen with low back and neck pain. True False Gym balls are a suitable long-term alternative to ergonomic chairs. True False Kneeling or Baalans chairs do not allow good leg movement. True False High-mobility seating, like variable-axis stools or sit-stand stools require more effort to sit than conventional ergonomic chairs. True False One advantage of high-mobility seating, like variable-axis stools or sit-stand stools is to reduce the effort from standing. True False The chair base should have the least resistance to movement over the floor. True False There should be no need to readjust the chair during a variety of work tasks. True False The chair height should be adjusted so the thigh is level with the floor. True False Chair height should be adjusted to put the elbow approximately two inches above the work surface ; then use a footstool if leg support is needed. (F) True False Usually one seated posture is recommended for typical office work. True False Chair height adjustment is not critical for good spine posture. True False Using carpet casters on a hard plastic floor pad can safely improve sitting posture. True False Longer shoulder reach distances can change torso position. True False Adjustable keyboard trays should always be used with more than four hours daily use of the computer. True False More effort is needed to sustain forward postures than for reclined postures. True False Most office work can be done with safely with a relaxed torso and reclined seated postures. True False Slumping and low back pain stiffness and pain are common problems with reclined seating and forward tasks. True False There is no difference between passive and active seating. True False The postural muscles are usually relaxed in reclined seating, and are active in upright, forward tasks. True False Regular postural exercise during the work routine is recommended to reduce low back pain. True False The work surface height should be in place before the chair is adjusted. True False Many “ergonomic” chairs do not support the spine for forward work tasks. True False There is evidence of greater risk of cardiovascular disease with increased effort to stand and walk at work. True False The amount of time sitting at work does not have a clear association for increased risk of diabetes, obesity and heart disease. True False Regular, short breaks away from the desk are known to reduce the discomfort of musculoskeletal problems like upper and lower back pain. True False Full forearm support rather than a keyboard tray for computer work can effectively reduce the risk of symptoms and disorders at the neck, shoulders and arms. True False There should be no need to check spine posture during the work routine once the chair is properly adjusted. True False The chair height should be in place before locating the height of the work surface True False Case Studies: #1 - Work Surface Support Back to: Pre-Course Quiz (For Consultants)(Duplicate)