Table 5.
Technical Data for collection phase in Children with Neurodevelopmental Disorders
| Author | Sensors Number | Sensors Type & Make | Placement | Wear Time | Sample frequency |
|---|---|---|---|---|---|
| [23] Floyd A. G. et al. (2007) | 2 | Piezoresistive uniaxial accelerometers with linear sensitivities of 4.5 mV/g in the biological tremor range (0–25 Hz) | Over the dorsum of both hands | Multiple recording and total recording time lasted 1–2 h | 300 Hz |
| [22] Gordon A. M. et al. (2007) | 2 | Accelerometers (Manufacturing Technology Inc. Fort Walton Beach, FL, model 7164) | Each wrist | During the AHA test session | 10 Hz |
| [29] Strohrmann C. et al. (2013) | 10 | ETH Orientation Sensor (ETHOS) = IMU composed by a 3D accelerometer, a 3D gyroscope and a 3D digital compass. Not commercially available. | Upper (wrists and upper arms) and lower extremities (upper legs and feet) and the trunk. | 1 h, once per week over a course of four weeks. | 100 Hz |
| [20] Zoccolillo L. et al. (2015) | 5 | Wireless triaxial accelerometers (Trigno, Delsys®). | Posterior part of forearms, of shanks and of lower trunk in correspondence of the centre of mass (L2-L3). | During 5 continuous minutes of video-game based therapy and 5 min of CT. | Not specified |
| [18] Sokal B. et al. (2015) | 2 | Biaxial wireless accelerometers (Model 71,256, Actigraph, Pensacola, FL) | Dorsal side of both wrists just above the styloid process | During waking hours for at least 9 h daily for 3 consecutive days after the testing session. | 10 Hz, integrated over a user-specified epoch (2 s). |
| [26] Bergamini E. (2014) | 3 | IMUs (Opal, APDM Inc., Portland, Oregon, USA). | Both wrists and backrest of the wheelchair. | Time was manually recorded. Total time not reported. | 128 Hz |
| [32] Kaneko M. et al. (2016) | 4 | Acceleration and angular velocity sensors (WAA-006, WAA-010, ATR-Promotions, Kyoto, Japan) | Both hands and elbows | Two motor tasks (imitative motor task and a maximal-effort motor task): 10 s for each task | 100 Hz |
| [33] Le Moing A.G. et al. (2016) | 2 | Watch-like devices contained a three-axis accelerometer, a three-axis gyroscope, and a three-axis magnetometer | On each wrist | At least 30 min to complete all the tasks, without concerning potential resting period | NA |
| [30] O’Neill M.E. et al. (2016) | 6 | 1) StepWatch activity monitor (uniaxial), 2) Actigraph GT3X (triaxial), 3) BodyMedia SenseWear Pro Armband (triaxial). | 1) superior to the left/right malleolus, 2) on a waist elastic belt superior to the right/left iliac crest, 3) dorsal side of each upper arm at the midbelly of the triceps muscle | During each data collection, lasting 2–2,5 h | 1 s for ActiGraph, 3 s for StepWatch, and 60 s for SenseWear. |
| [37] Coker-Bolt P. et al. (2017) | 2 | Triaxial Actigraph GT9X Link (Actigraph, Pensacola, FL) | On each wrist | 6 h a day before and after the CIMT program (tot: 12 h) | 30 Hz |