The test records electrical currents caused by muscle activity.

VOA: special.2010.03.30

In 2010, fire caused a 787 test flight to lose primary electrical power while flying from Yuma, Arizona, to Laredo, Texas.

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Ms Kaur argued that food supplements might have caused her to test positive - she argued that she would be "a mad person" if she took steroids to enhance performance.

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She said the positive test was caused by pregnancy but her claims were rejected.

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