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Table 1 Description of activities performed by each subject

From: Recognition of human activities with wearable sensors

Activities performed Description
Rest at standing (ST) The subject stands still for more than 10 s
Rest at sitting (SI) The subject sits still for more than 10 s
Rest at lying (LY) The subject lies still for more than 10 s
Walk forward (WF) The subject walks straight forward for more than 10 s
Walk left-circle (WL) The subject walks counterclockwise for more than10 s
Walk right-circle (WR) The subject walks clockwise for more than 10 s
Turn left (TL) The subject stays at the same position and turn left for more than 10 s
Turn right (TR) The subject stays at the same position and turn right for more than 10 s
Go upstairs (Up) The subject goes up a flight of stairs
Go downstairs (Down) The subject goes down a flight of stairs
Jog (Jog) The subject jog straight forward for more than 10 s
Jump (Jump) The subject stays at the same position and jump for more than 5 times
Push wheelchair (Push) The subject pushes a wheelchair/walker for more than 10 s