Physiological properties of single thenar motor units in the F-response of younger and older adults.

@article{Doherty1994PhysiologicalPO,
  title={Physiological properties of single thenar motor units in the F-response of younger and older adults.},
  author={Timothy J. Doherty and Tetsuo Komori and Daniel W. Stashuk and Ariff Kassam and William R. Brown},
  journal={Muscle & nerve},
  year={1994},
  volume={17 8},
  pages={860-72}
}
The purpose of this study was to characterize the properties of single thenar motor units in the F-response of healthy younger (n = 15; age 33 +/- 11 years) and older subjects (n = 15; age 68 +/- 3 years). Trains of 300 stimuli at intensities evoking M-potentials 10%, 20%, and 30% of the peak-to-peak amplitude of the maximum M-potential, were delivered to the median nerve. In the young, observed firing probabilities of surface-detected motor unit action potentials (S-MUAPs) extracted from the F… CONTINUE READING