Masseter muscle is partly concealed, anteriorly, by the superficial portion. Posteriorly, it is covered by the parotid gland. Along with the other three muscles of mastication (temporalis, medial pterygoid, and lateral pterygoid), the masseter is innervated by the anterior division of the mandibular division (V3) of the trigeminal nerve. The innervation pathway is: gyrus precentralis > genu capsula interna > nucleus motorius nervi trigemini > nervus trigeminus > nervus mandibularis > musculus masseter. The action of the muscle during bilateral contraction of the entire muscle is to elevate the mandible, raising the lower jaw. Elevation of the mandible occurs during the closing
What Hurts the Most exited the chart at nineteen weeks, logging its last week at number eighty-five. On March 22, 2008, the cover debuted and peaked on the French Singles Chart at number two. The song fell to number four in the following weeks and eventually fell off of the chart after twenty-seven weeks. On January 26, 2008, the band's cover of "What Hurts the Most" entered the "Billboard" Hot 100 at number ninety-five. The song rose to number eighty in the following week. On March 22, 2008, the cover peaked at number fifty-two. The song serves as Cascada's lowest-charting single on the Hot