V r making this video in a series of 4 lectures
Part 1 include.. Masseter
Part2 include...Temporalis
Part 3 include...Lateral pterygoid
Part4 include...Medial pterygoid
These are the four principal muscles which helps in the movement of mandible during mastication and speech...
All muscles of mastication are derived from 1 St Branchial arach and all of them are supplied by Mandibular nerve
All muscles of mastication are originated from a fixed bone Skull , and their insertion some where around movable bone mandible..
Keyterms
Origin - Zygomatic Arch
Insertion - Ramus of the mandible
Fiber - Superficial and Deep
Nerve supply - Massetric Nerve
Action - Elevation of the mandible