For the second 2-week period of participation, each subject performed their assigned "microbreak" protocol with the assistance of the Ergobreak software. The pro gram was set to prompt participants to take breaks at their prescribed time interval. Participants were not re quired to perform the exercises usually presented during the breaks. The Ergobreak software was not set to prompt members of the control group, who took breaks whenever they felt they were needed. On the final two days of the protocol period, MES, discomfort, and word