The masseter gets extraordinary strength from a “multipennate” arrangement of fibres that’s like a complex feather - fibres converging diagonally on several internal tendons. It’s amazing how specialized muscles can be. For contrast, the world record for human bite strength is 442 kgf. ![]() 3 Together with the temporalis muscle and a few other smaller muscles, most people can generate at least about 68 kilograms of force (kgf) between their teeth. Not only does the masseter muscle probably harbour some of the most common trigger points in the human body, the masseter is also the strongest muscle in the human body (pound for pound), although many variables make this difficult to be sure of. The masseter muscle is strong (and special) 2 It is an accomplice in many cases of bruxism (that’s Latin for “grinding your teeth”) and temporomandibular joint syndrome (jaw joint pain), and probably other unexplained painful problems in the area - it will be either a contributing factor or a complication. And so it’s also the muscle that clenches your jaw and grinds your teeth, unfortunately, and it’s one of the most common locations for trigger points in the human body. ![]() ![]() Your masseter muscle is your primary chewing muscle - not the only one, 1 but the main one - and it covers the sides of the jaw just behind the cheeks.
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