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Table 3 Step counts in treadmill and over-ground walking and running (mean ± SD)

From: Examining the validity of the ActivPAL monitor in measuring posture and ambulatory movement in children

Speed (m.min-1)

Video steps

ActivPAL steps

NL-2000 steps

SW-200 steps

Treadmill

50

231 ± 26

231 ± 26

207 ± 51

224 ± 53

66

258 ± 31

258 ± 31

254 ± 40

248 ± 44

93

300 ± 36

276 ± 42

306 ± 40

304 ± 49

133

335 ± 49

251 ± 70

341 ± 51

342 ± 51

Self-selected

Slow walking

211 ± 34

206 ± 49

209 ± 43

217 ± 44

Normal walking

244 ± 25

247 ± 27

252 ± 30

254 ± 31

Fast walking

258 ± 23

280 ± 20

294 ± 24

300 ± 31

Running

307 ± 42

250 ± 42

359 ± 28

354 ± 31