Table 2.

Classification of postures and movements by Activ8 for each activity item of the protocol.

	To be classified as	Time		Walking		Standing		Lying/sitting		Running		Cycling
		Pocket*	Thigh	Pocket	Thigh	Pocket	Thigh	Pocket	Thigh	Pocket	Thigh	Pocket	Thigh
Walking on a treadmill	Walking
2 km/h		600	723	95	95	4	5	1	0	0	0	0	0
3 km/h		597	670†	100	100	0	0	0	0	0	0	0	0
4 km/h		600	670†	100	100	0	0	0	0	0	0	0	0
5 km/h		600	663†	100	100	0	0	0	0	0	0	0	0
6 km/h		597	730	91	87	0	0	0	0	9	13	0	0
Running on a treadmill	Running
6 km/h		600	730	30	13	0	0	0	0	70	87	0	0
9 km/h		605	723	2	0	0	0	0	0	98	100	0	0
12 km/h		569	652†	0	0	0	0	0	0	100	100	0	0
15 km/h		300‡	305‡	0	0	0	0	0	0	100	100	0	0
Sprinting	Running	600	730	6	4	3	2	0	0	91	94	0	0
Walking stairs up	Walking	600	725	96	97	4	3	0	0	0	0	0	0
Walking stairs down	Walking	597	725	100	100	0	0	0	0	0	0	0	0
Cycling on a home trainer	Cycling
50 r/min		600	725	19	0	0	0	5	4	0	0	76	96
65 r/min		597	728	20	0	0	0	0	0	0	6	80	94
80 r/min		600	723	20	0	0	0	0	0	3	6	77	94
Cycling outside	Cycling
Slow speed		243§	368¶	0	1	0	1	3	4	0	0	97	94
Normal speed		240§	357¶	8	0	0	0	0	0	0	0	92	100
Fast speed		240§	365¶	25	2	0	0	0	0	0	0	75	98
Jump robe	Running	597	725	7	11	4	3	0	0	89	86	0	0
Wheelchair driving	Sitting
Arm propulsion		597	728	1	0	13	0	86	97	0	1	0	2
Leg propulsion		597	730	0	0	10	0	61	27	0	0	29	73
Vacuum cleaning	Walking or standing	600	730	84	83	16	17	0	0	0	0	0	0
Standing doing the dishes	Standing	563	693	7	10	93	88	0	2	0	0	0	0
Standing on a vibration platform	Standing	316	365	39	62	61	38	0	0	0	0	0	0
Sitting office work	Sitting	597	717	0	0	5	0	95	100	0	0	0	0
Sitting easy chair	Sitting	600	728	0	0	10	0	90	100	0	0	0	0
Lying supine on a bed	Lying/sitting	543**	670†	1	9	0	0	99	91	0	0	0	0

Note: Time represents the cumulative time in seconds. The classified time for each activity item is presented as percentage of true time. r/min = revolutions per minute.

Correct classification is presented in bold. *n = 10; ^†n = 11; ^‡n = 5; ^§n = 4; ^¶n = 6; **n = 9.