FIGURE 3.

The IMU‐based (solid) and MOCAP‐based (dotted) trunk angles over time. The columns represent three anatomical trunk motion trials: lateral flexion (participant 7); axial rotation (participant 10); flexion/extension (participant 2). The rows represent the three trunk angles in degrees: lateral flexion (blue; positive and negative are left and right, respectively); axial rotation (green; positive and negative are right and left, respectively); flexion extension (red; positive and negative are extension and flexion, respectively)