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pennate muscle


'pennate muscle' can also refer to...

 

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Flat muscle with fibres arranged around one or more central tendons like the barbs of a feather. Pennate muscles shorten only to a limited extent, but they can produce very powerful actions. Pennate muscle may be unipennate, when the fibres insert onto only one side of a tendon (e.g. extensor digitorum longum); bipennate, when fibres insert onto opposite sides of a tendon so that the muscle resembles a feather (e.g. rectus femoris); or multipennate, when fibres converge onto several tendons, giving a herringbone appearance (e.g. deltoid muscle). Compare fusiform muscle.

Subjects: Sports and Exercise Medicine.


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