Abstract

This dataset contains the experimental measurements used to derive and validate a continuous nonlinear compliance map of the human knee. Data were collected in vitro from six fresh-frozen cadaveric lower limbs using a custom cable-driven loading rig and a stereophotogrammetric acquisition system. For each specimen, tibiofemoral kinematics were recorded continuously across the full flexion range under unloaded conditions and under multiple monoaxial loading cases, including forces along the anterior-posterior, proximal-distal, and medial-lateral directions and torques about the abduction-adduction and internal-external axes. Additional combined-loading experiments are included for validation. The dataset supports the reconstruction of natural knee motion and load-induced deformations as functions of flexion angle, load magnitude, and load direction, and can be used for compliance mapping, multibody and musculoskeletal modelling, model calibration, and validation studies in joint biomechanics.