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Table 2 Overview biaxial activity monitors used in validation papers

From: Validity of activity monitors in health and chronic disease: a systematic review

Name Manufacturer Field(F)/Lab(L) + reference Size (l x w x h) and (weight) Placement Cost Epoch length Data storage Outcomes (measured) Outcomes (calculated)
Biotrainer Pro IM Systems, Baltimore, MD, USA L [32] 7.6 x 5 x 2.2 cm (51.1 g) hip €142 (unit), €142 (software), €70 (cable) 15 s to 5 min 22 days (1 min epochs) AC, steps, activity intensity level EE
Actitrac IM Systems, Baltimore, MD, USA L [76] 5.6 x 3.8 x 1.3 cm (34 g) wrist €570 (unit), €285 (software), €70 (cable) 2 s to 2 min 44 days (1 min epochs) AC  
AMP-331 Activity Monitoring Pod, Dynastream Innovations Inc., Cochrane, AB, Canada L [26, 38] 7,13 x 2,4 x 3,75 cm (50 g) right ankle (directly over the Achilles tendon) NA 1 min epochs 28 hours (1 min epochs), 3.5 days (3 min epochs) steps, cadence, walking speed, stride length, distance EE
  1. Field study (F), lab study ( L) or field + lab study ( F + L). AC; activity counts, EE; energy expenditure, NA; not available.