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Related Experiment Videos

Hand function: peripheral and central constraints on performance.

Marc H Schieber1, Marco Santello

  • 1Department of Neurology, University of Rochester Medical Center, 601 Elmwood Ave., Box 673, Rochester, NY 14642, USA. mhs@cvs.rochester.edu

Journal of Applied Physiology (Bethesda, Md. : 1985)
|May 11, 2004
PubMed
Summary
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The hand

Area of Science:

  • Neuroscience
  • Biomechanics
  • Motor Control

Background:

  • The hand's complex structure presents challenges in understanding neural control.
  • Coordinating finger movements and forces is crucial for diverse tasks.

Purpose of the Study:

  • To review evidence on neural control strategies for hand movements.
  • To explore how biomechanical and neural constraints shape hand control.

Main Methods:

  • Review of experimental approaches including kinematics, electromyography, and cortical activity recording.
  • Analysis of coordination patterns in finger movements and forces.

Main Results:

  • Finger coordination reduces the degrees of freedom requiring control.

Related Experiment Videos

  • Neuromuscular constraints simplify grasping but limit finger individuation.

    • Conclusions:

    • Coordination patterns and neuromuscular constraints are key to hand control.
    • These constraints influence hand function from motor cortex to behavioral output.