In the context of employment practices liability (EPL) insurance, a so-called third-party liability coverage option is sometimes available to address claims made by nonemployees (e.g., customers, vendors, clients) against the insured company that arise from acts committed by employees.
Some conditions can lead to temporary discomfort that can impact the left side of the neck. Overusing your neck, sleeping in an incorrect position or muscle strain can cause the neck to become numb, stiff or cause pain.
Causes of a Lump on Back of the Neck. 1. Injury to a muscle or tendon, from an accident or strenuous movement, can result in a lump on the back of the neck. The lump may be the muscle itself as it moves in place when damaged. Our muscles and tendons maintain our body shape. You may feel pain, neck stiffness, or have difficulty moving your neck.