Research Article

Quantitative Approach Based on Wearable Inertial Sensors to Assess and Identify Motion and Errors in Techniques Used during Training of Transfers of Simulated c-Spine-Injured Patients

Table 2

Recorded values for all potential quality indicators for the log-roll.

CategoryIndicatorMean (Std Dev)Range (min, max)

Performance measureROMrelpeak22.0° (6.5°)(9.5°, 40.8°)

Temporal quality indicatorsDelayroll_ini0.20 s (0.14 s)(0.02 s, 0.76 s)
Delayroll_end0.29 s (0.24 s)(0.00 s, 1.12 s)
Delaypush_ini0.10 s (0.15 s)(0.00 s, 0.86 s)
Delaypush_end0.18 s (0.17 s)(0.00 s, 0.94 s)

Spatial quality indicatorsSlopeRoll0.12 (0.08)(0.03, 0.34)
SlopePush0.11 (0.08)(0.02, 0.36)
ABCRoll-Push396.6 (219.8)(47.8, 1104.1)