Chapter 2. Prehension

370 Appendices
Table B.l Prehensile classifications chronologically. Bold faced letters
following the posture name indicate which postures are similar (continued ...)
Researchers Posture names
Schlesinger open fisted cylindrical grasp A hook prehension G
(1919) close fisted cylindrical grasp B
spherical prehension C
palmar prehension (pincer) D
tip prehension E
lateral prehension F
cyl. w/ add. thumb B&F
flat/thin (2 fing.) pincer I
large (5 finger) pincer J
three-jaw chuck K
nippers prehension L
McBride whole hand grasping J thumb, finger grasping D
(1942) palm, digits grasping B
Griffiths (1943) cylinder grip B ball grip C
Slocum & grasp A, B, C hook G
Pratt (1946) pinch D
Taylor palmar prehens. (3 jaw chuck) K lateral prehension F
(1948) tip prehension E
Napier power grip T&F, B, A, A&F combined grip B&D
(1956) precision grip D, K, J hook grip G
Landsmeer power grasp T&F, B, A, A&F precision handling D,E,
(1962) I, J, K, L
Skerik
et al. (1971)
power grip T&F, B, A, A&F
two point palmar pinch D
three point palmar pinch K
tip pinch E
link grip (lateral pinch) F
hook grip G
Jacobson & coding system for fingers, finger positions, joint
Sperling (1976) positions, contact surfaces, and orientation of object's
longitudinal axis with respect to hand
Cooney& graspB tip pinch E
Chao (1977) palmar pinch D lateral pinch F
Lister span A chuck grip K
(1977) power grasp B key pinch F
precision pinch E
pulp pinch D
hook grip G
flat hand M
Sollerman diagonal volar grip T tripod pinch K, D&F&R
(1980) transverse volar grip B five-fingered pinch J
spherical volar grip C
pulp pinch D
lateral pinch F
extension grip 0
Kamakura power grip-standard T parallel extension grip 0
et al. (1980) power grip-index ext. R&F&T
power grip-distal S
mpod grip K
rrip0dgrip-v~. 1 D&F
power grip-extension T&F tripod grip-var. 2
D&F;F&R
parallel mild flexion grip D
tip prehension E
surrounding mild flexion grip J'
lateral grip F
power grip-hook G
adduction grip Q