... However, during testingoutside the BML, the IDEEA accurately identified walking,running, standing, sitting, stair ascent, stair descent, and lying in the five subjects.The inability of the IDEEA ... corroborate previous investiga-tions, and in addition provide the error boundaries for use in determining knee flexion angles and activities of dailyliving in the outpatient setting. The ability ... subjects' knee range of motion. The IDEEA system was also able to accuratelydetect walking, running, standing, sitting, stair climbing,stair descent, and lying during choreographed activitiesoutside...