Quell is worn on the upper calf, 1-2 inches below the knee, with the indicator light facing up so you can see it. The device should be resting on the inside, outside or back of the calf. We recommend not wearing the device directly on the shinbone (although the electrode may be in contact with the front of the leg). All 4 gel pads on the electrodes must be making direct contact with your skin.
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