In Vivo Analysis of Trapeziometacarpal Joint Kinematics during Pinch Tasks

Table 1

Descriptive data of gliding ratio relative to the CS of the trapezium in the resting position at different pinching locations as well as different pinching forces.

Variables	MP			PIP			DP
	Rest-0	Rest-50	Rest-80	Rest-0	Rest-50	Rest-80	Rest-0	Rest-50	Rest-80
Dorsal/volar	0.22 (0.10)	0.15 (0.09)	0.13 (0.09)	0.09 (0.07)	0.12 (0.10)	0.15 (0.12)	0.11 (0.09)	0.16 (0.07)	0.17 (0.08)
Distal/proximal	0.16 (0.11)	0.28 (0.15)	0.30 (0.16)	0.22 (0.14)	0.27 (0.12)	0.26 (0.16)	0.20 (0.18)	0.21 (0.15)	0.18 (0.14)
Radial/ulnar	0.19 (0.07)	0.26 (0.07)	0.27 (0.08)	0.08 (0.06)	0.16 (0.08)	0.16 (0.08)	0.07 (0.06)	0.10 (0.07)	0.15 (0.11)

Data representation: mean (SD).