Flexion Angles of Finger Joints in Two-Finger Tip Pinching Using 3D Bone Models Constructed from X-Ray Computed Tomography (CT) Images

Figure 5

The rotation axes of the 1st metacarpal when pinching cylinders with 2, 10, and 30 mm diameters. (a) Volar view and (b) lateral view.

(a)

(b)