Related Experiment Video
Updated: Jun 14, 2026
09:41
Estimation of Contact Regions Between Hands and Objects During Human Multi-Digit Grasping
Published on: April 21, 2023
Similarities between digits' movements in grasping, touching and pushing
Jeroen B J Smeets1, Juul Martin, Eli Brenner
1Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, van der Boechorststraat 9, 1081 BT, Amsterdam, The Netherlands. J.Smeets@fbw.vu.nl
Experimental Brain Research
|April 10, 2010
Summary
Grasping involves coordinated digit movements, similar to pushing or tapping. This suggests grasping is primarily about moving individual digits, not just hand transport and grip shaping.
Area of Science:
- Neuroscience
- Biomechanics
- Motor Control
Background:
- Understanding how the brain controls hand movements is crucial for neuroscience and rehabilitation.
- Grasping involves complex coordination of multiple digits and hand transport.
Purpose of the Study:
- To investigate if digit movements during grasping are uniquely controlled compared to other single-digit tasks.
- To determine if hand transport and grip formation emerge from synchronized digit motion.
Main Methods:
- Compared digit movements during object grasping with movements during single-digit tasks (pushing, tapping).
- Analyzed hand transport and grip aperture formation across different tasks.
- Examined synchronization of finger and thumb movements.
Main Results:
- Digit movements in grasping were highly similar to those in single-digit tasks.
- Peak grip aperture timing was consistently related to aperture size across all tasks.
- Transport component deviations varied between subjects but were consistent across tasks.
Conclusions:
- Grasping can be viewed as a process of moving individual digits.
- The findings challenge the traditional view of grasping as solely hand transport with subsequent grip formation.
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