Table 1.

Force efficiency across three IP postures for six force directions

IP Posture	Palmar	Dorsal	Distal	Proximal	Radial	Ulnar
1	28.9	17.3	89.3	61.3	31.0	28.0
2	31.5	20.0	62.9	38.8	25.3	44.4
3	25.2	19.1	40.8	22.7	34.1	41.8
Mean (SD)	28.5 (3.2)	18.8 (1.3)	64.3 (24.3)	40.9 (19.4)	30.1 (4.5)	38.1 (8.8)

IP, interphalangeal.