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 fifth entry in the top 10 from T-Pain?" In Sweden, Cascada's cover of "What Hurts the Most" debuted on the Swedish Singles Chart on November 22, 2007 at number five, where it peaked. The song fell to number eight the next week, where it stalled on the chart for three weeks. On December 13, 2007, the song debuted and peaked on the Irish Singles Chart at number six. In the United Kingdom, the song debuted on the UK Singles Chart at number sixteen on December 9, 2007. In the following week, the song reached a peak of number ten. It