"Neck strain" refers to the injury or discomfort in the muscles, tendons, or ligaments of the neck caused by overexertion, poor posture, or sudden movements. Full definition
Look up while doing a Pull Up to avoid necks strain and injury. (popworkouts.com)
This bowl's elevated design reduces neck strain and joint pressure in larger dogs, who often develop joint problems as they age. (thesprucepets.com)
However, given reports of e-readers and tablets causing neck strain, this may allow you to hold the device higher, as in the photo on the Russian site. (goodereader.com)