This current should briefly re the usual pain and cause a muscle twitch in the back.

这一电流应该会短暂地重现平时的疼痛并引起背部肌肉的痉挛。

youdao

The cortex is the outside layer of the brain and the motor cortex is known as the “excitable area” because magnetic stimulation has been shown to cause a muscle twitch.

{6}大脑皮层位于大脑的外层，而大脑活动皮层又称为“易感区”，因为电磁波刺激证明可导致那里的肌肉阵颤。

youdao

The cortex is the outside layer of the brain and the motor cortex is known as the "excitable area" because magnetic stimulation has been shown to cause a muscle twitch.

大脑皮层位于大脑外层，运动原大脑皮层是所谓的“可激发区”，已经有证据证明电磁刺激该区会引起肌肉抽搐。

youdao

Or the gene that produces more fast twitch muscle fiber and has been found in all Olympic sprinters.

FORBES: Nike Dumps Lance: But Who's Lying Now?

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.

ECONOMIST: Rewiring nerves

Max Sick, a great early-nineteenth-century German strongman, had such complete muscle control that he could make the various groups twitch in time to music.

NEWYORKER: The Strongest Man in the World