Controlled activities performed while wearing hip- and wrist-worn accelerometers
Order | Task | Description |
---|---|---|
1 | Lying quietly | Laying supine on a plinth |
2 | Keyboarding | Type the Declaration of Independence (hard copy provided) in a Word document on a desktop computer |
3 | Window washing (simulated) | Whiteboard erasing of a 1.2 × 2.4 m (4 × 8 ft) whiteboard using the dominant hand was used to simulate window washing |
4 | Sweeping† | Using a standard broom, participants swept confetti into a pile and then using a dustpan, placed the confetti into a garbage bag |
5 | Over-ground walking† | At a self-selected velocity, participants walked 350 m (1,145 ft) through hallways. Mean walking speed was calculated (distance/time) |
6 | Ascending stairs | Walked up 7 flights of stairs at a comfortable pace, minimal handrail use. The mean climbing speed calculated |
7 | Descending stairs | Walked down 7 flights of stairs at a comfortable pace, with minimal handrail use. The mean descending speed calculated |
8 | Modified Bruce protocol (MBP) stages 1–5 | Subjects progressed from Stages 1 through 5 as tolerated without rests; subjects were discouraged from using handrails unless necessaryStage conditions:Stage 1: 2.74 km/h (1.7 mph), 0% inclineStage 2: 2.74 km/h (1.7 mph), 5% inclineStage 3: 2.74 km/h (1.7 mph), 10% inclineStage 4: 4.0 km/h (2.5 mph), 12% inclineStage 5: 5.5 km/h (3.4 mph), 14% incline |
9 | Sitting in a chair | Between treadmill activities, sat quietly in a chair |
10 | Treadmill walking† | 4.8 km/h (3 mph), 0% incline |
11 | Treadmill jogging | 8.0 km/h (5 mph), 0% incline |
12 | Treadmill running 1 | Subjects ran at their choice of 9.7, 11.3, or 12.9 km/h (6, 7, or 8 mph) (if they felt comfortable doing so), with 0% incline |
13 | Treadmill running 2 | Subjects ran at their choice of 14.5 or 16.1 km/h (9 or 10 mph) (if they felt comfortable doing so), with 0% incline |
†: performed tasks again after 1st 17 tasks in the following order: treadmill walking, followed by overground walking, and lastly sweeping