Fig 1.
Experimental setup and marker placement.
Table 1.
Demographics and participant characteristics.
Table 2.
Differences in clinical assessment and three-dimensional motion analysis between healthy volunteers and preoperative TMC-OA patients.
Table 3.
Change values of the three-dimensional motion analysis pre- and postoperatively.
Table 4.
Results of the three-dimensional motion analysis.
Fig 2.
Typical thumb tip path trajectories in each plane.
Upper row: arthrodesis, lower row: trapeziectomy with suspensionplasty with the position of the start of the circumduction movement as the origin. The blue line shows the preoperative trajectory, while the orange shows the postoperative trajectory.