Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 10591
  Title Limb segment information transmission capacity
URL https://www.ncbi.nlm.nih.gov/pubmed/2926285
Journal J Manipulative Physiol Ther. 1989 Feb;12(1):3-9
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Peer Review Yes
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Abstract/Notes

Movement time for finger, wrist, and whole arm motions were investigated in relation to Fitts' Index of Difficulty (ID = log2 2A/W) over movement distances of 0.25 to 30.5 cm. Results supported Fitts' original theory that various limb segments may show different maximum information processing rates. Short-distance finger and wrist motions showed much higher rates than longer distance arm motions. Examination of motion trajectories qualitatively supported a descriptive model whereby a visually mediated discrete correction control process is used. However, evidence of severe nonlinearities in the measured humam movement responses did not support the use of linear control models in explaining the empirical validity of Fitts' law in predicting human motor performance.

This abstract is reproduced with the permission of the publisher. Article only available in print.

 
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