Description of trunk motion. Trunk forward inclination was measured as

Lumbopelvic rhythm during forward and backward sagittal trunk rotations: Combined in vivo measurement with inertial tracking device and biomechanical modeling - ScienceDirect

The effect of trunk flexion angle on lower limb mechanics during running - ScienceDirect

Journal of Musculoskeletal Science and Technology

Forward trunk

Sensors, Free Full-Text

Range of Motion - Physiopedia

PDF) Relationship between three-dimensional kinematics of knee and trunk motion during shuttle run cutting

Forward trunk

Frontiers Does the Degree of Trunk Bending Predict Patient Disability, Motor Impairment, Falls, and Back Pain in Parkinson's Disease?