The effect of torque direction and cylindrical handle diameter on the coupling between the hand and a cylindrical handle.

@article{Seo2007TheEO,
  title={The effect of torque direction and cylindrical handle diameter on the coupling between the hand and a cylindrical handle.},
  author={Na Jin Seo and Thomas J. Armstrong and James A. Ashton-Miller and Don B. Chaffin},
  journal={Journal of biomechanics},
  year={2007},
  volume={40 14},
  pages={3236-43}
}
Pheasant and O'Neill's torque model (1975) was modified to account for grip force distributions. The modified model suggests that skin friction produced by twisting an object in the direction of fingertips causes flexion of the distal phalanges and increases grip force and, thus, torque. Twelve subjects grasped a cylindrical object with diameters of 45.1, 57.8, and 83.2 mm in a power grip, and performed maximum torque exertions about the long axis of the handle in two directions: the direction… CONTINUE READING

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