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. Author manuscript; available in PMC: 2012 Jan 17.
Published in final edited form as: J Biomech Eng. 2008 Aug;130(4):041003. doi: 10.1115/1.2913332

Fig. 1.

Fig. 1

The capitate coordinate system based on inertia: I1, I2, and I3 = first, second, and third principal inertial axes. L1 is the length of the capitate from the proximal surface to the distal surface along I1. L2 and L3 are similarly defined but corresponding to I2 and I3, respectively.