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Table 1 Visible states of gestures on two orthogonal planes

From: A conformal geometric algebra method for virtual hand modeling and interaction

Finger segment

Grasp

Pinch

Hold

Thumb PP

Y/N

Y/N

Y/N

Thumb MP

Y/Y

Y/N

Y/Y

Thumb DP

Y/N

Y/N

Y/N

Index PP

Y/Y

Y/Y

Y/Y

Index MP

Y/Y

Y/Y

Y/Y

Index DP

Y/Y

Y/N

Y/N

Middle PP

Y/Y

Y/Y

N/Y

Middle MP

Y/Y

Y/Y

Y/Y

Middle DP

Y/Y

N/N

Y/N