In vivo measurement of human wrist extensor muscle sarcomere length changes.

@article{Lieber1994InVM,
  title={In vivo measurement of human wrist extensor muscle sarcomere length changes.},
  author={Richard L. Lieber and Gregory James Loren and Jan Frid{\'e}n},
  journal={Journal of neurophysiology},
  year={1994},
  volume={71 3},
  pages={
          874-81
        }
}
1. Human extensor carpi radialis brevis (ECRB) sarcomere length was measured intraoperatively in five subjects using laser diffraction. 2. In a separate cadaveric study, ECRB tendons were loaded to the muscle's predicted maximum tetanic tension, and tendon strain was measured to estimate active sarcomere shortening at the expense of tendon lengthening. 3. As the wrist joint was passively flexed from full extension to full flexion, ECRB sarcomere length increased from 2.6 to 3.4 microns at a… CONTINUE READING

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