As a flatpicker, he used a traditional tear-shaped medium gauge nylon flatpick and was known for his speed, tone and precision -- with a little extra arm motion.
With baseball pitchers it's a certain rhythmically whippy arm motion.
The umpire will signal the start of the fielding side's choice of powerplay by waving his arm in a circular motion - and indicate a powerplay chosen by the batting side by waving his arms in a circle and then clapping his hands above his head.
Jaeger's basic philosophy was this: Extending the elbow and shoulder muscles in a relaxed, fluid motion prepares an arm to throw as hard as it can.
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Grado turned a calibration switch on, manipulated the arm until the full range of motion was restored, then rebooted it.
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Minna invited him inside with a slow-motion sweep of her arm.
Put your hand behind your back, and Natal's probability logic locates your avatar's arm the same way, based on the motion of your body.
To a standard silicon layout from ARM, Luminary adds functions like Ethernet connections, flash memory and motion-control hardware.
So even when their eyes are closed they can get a sense of whether an artificial arm is extended, or if there is resistance to a grasping motion, making the limb feel less detached and unnatural than an EMG device.
You can then incorporate arm raises in multiple directions and also perform a "chest fly" motion to work the pectoral muscles directly.
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Another problem with EMG prosthetics is that patients literally have to retrain their brains to make new associations between muscle movements and their outcomes a shoulder flex could become a grasp motion, for example, while a twitch of pectoral muscle in the chest may extend the artificial arm.
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