Exact(2)
In contrast to the low-cut, spiked shoes of today's runners, with which, at each stride, they push off from a hard track, the ancient competitors ran barefoot, the sand shifting under their feet with every step.
Since the animal lifts at each stride using both hindlimbs and forelimbs (figure 2 a), we assume that the plastron is not in contact during the thrust phase and thus body drag is not significant.
Similar(58)
Arches in human feet put a spring in our step: they are stiff enough to propel us forward but flexible enough to absorb the shock at the end of each stride.
And I had a surge of pride in my husband as we grinned at each other and strode across the finish line together.
So on this particular HOT day, we decided to go shopping at the big BOGO sale at Stride Rite at the mall.
The result, the PowerFoot One, will be launched this year by Dr Herr's spin-out company, iWalk, and will be the first powered artificial leg on the market.The PowerFoot One uses motors, springs, sensors and an elaborate control system to emulate the energy-transfer mechanisms of the foot and ankle at each stage of a stride.
The stride at each position could be chosen so that the k-mers whose occurrences are in the index are as infrequent as possible.
Stride length was determined for each subject by marking a taped 7-meter distance on the floor and instructing each subject to take 10 steps forward (five steps with each foot) at their normal stride; stride length was calculated by dividing the distance covered by 10.
"He's at full stride right now, playing the best I've seen him play".
He is the director of software training and technology solutions at the Stride Rite Corporation, the footwear company in Lexington, Mass.
Their legs churn in a circular motion, the animal's back bowing and its hind legs reaching almost past its ears at full stride.
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