3.3. Body discomfort chart & visual analogue scale
Forty-five percent of students reported
musculoskeletal discomfort at the beginning of the
computer class. Eighty percent of students reported
musculoskeletal discomfort at the end of the
computer class (Fig. 2). The most common areas for
reported musculoskeletal discomfort at the beginning
of the class were thoracic spine (38.9%), cervical
spine (22.2%) and lumbar spine (22.2%). The mean
discomfort level was 2.6/10. The standard deviation
was 1.04. The most common areas for reported
discomfort at the end of the class were the cervical
spine (50%), lumbar spine (34.4%), thoracic spine
(21.9%) and right and left shoulders (18.8% each).
The average level of discomfort reported was 3/10.
The standard deviation was 1.94.