منابع مشابه
Patterns of Selection of Human Movements II: Movement Limits, Mechanical Energy, and Very Slow Walking Gaits
The biomechanics of the human body allow humans a range of possible ways of executing movements to attain specific goals. This range of movement is limited by a number of mechanical, biomechanical, or cognitive constraints. Shifts in these limits result in changes available possible movements from which a subject can select and can affect which movements a subject selects. Therefore by understa...
متن کاملMechanics of the human walking apparatus
WILHELM WEBER and EDUARD WEBER, Mechanics of the human walking apparatus, transl. P. Maquet and R. Furlong, Berlin and New York, Springer-Verlag, 1992, pp. xix, 273, illus., DM 168.00 (3-540-53541-1). This is the latest in a series of classic works on animal and human locomotion translated for Springer-Verlag, including Giovanni Borelli On the movement of animals first published in 1680, and Wi...
متن کاملMechanics and energetics of load carriage during human walking.
Although humans clearly expend more energy to walk with an extra load, it is unclear what biomechanical mechanisms contribute to that increase. One possible contribution is the mechanical work performed on the body center of mass (COM), which simple models predict should increase linearly with added mass. The work should be performed primarily by the lower extremity joints, although in unknown ...
متن کاملSpeed related changes in muscle activity from normal to very slow walking speeds.
The study of neuromuscular activity at very slow walking speeds may lead to a better understanding of the mechanisms underlying speed regulation during walking, and may aid the interpretation of gait data in patients who walk slowly. Extreme reductions in walking speed will cause changes in locomotor task demands that may eventually result in modifications of the patterning of muscle activity t...
متن کاملEigentimes and Very Slow Processes
We investigate the importance of the time and length scales at play in our descriptions of Nature. What can we observe at the atomic scale, at the laboratory (human) scale, and at the galactic scale? Which variables make sense? For every scale we wish to understand we need a set of variables which are linked through closed equations, i.e., everything can meaningfully be described in terms of th...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2019
ISSN: 2045-2322
DOI: 10.1038/s41598-019-54271-2