The distribution of forces between the upper and lower back during load carriage.

@article{LaFiandra2004TheDO,
  title={The distribution of forces between the upper and lower back during load carriage.},
  author={Michael E. LaFiandra and Everett A. Harman},
  journal={Medicine and science in sports and exercise},
  year={2004},
  volume={36 3},
  pages={460-7}
}
INTRODUCTION/PURPOSE To determine the effects of backpack mass on the forces exerted by the backpack on the carrier and on the distribution of these forces between the upper back (including shoulders) and lower back (sacrum and iliac crest). METHODS Eleven male volunteers (mean age 22.7 SEM 1.1 yr) walked on a level treadmill at 1.34 m.s(-1) carrying a backpack loaded to three different masses (13.6, 27.2, and 40.8 kg). The backpack's hip belt was connected to force transducers that measured… CONTINUE READING

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