| OMC | Optical Motion Capture |
| IMC | Inertial Motion Capture |
| IMU | Inertial Measurement Unit |
| OSPS | One Sensor per Body Segment |
| RSC | Reduced-Sensor-Count |
| KF | Kalman Filter |
| EKF | Extended Kalman Filter |
| CEKF | Constrained Extended Kalman Filter |
| ADL | Activities of Daily Living |
| TTD | Total Travelled Distance |
| SOP | Sparse Orientation Poser |
| SIP | Sparse Inertial Poser |