fasicle arrangements

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parallel muscle
fascicles run parallel to the long axis
thin and flat like a belt
strap muscles
prominent belly when flexed
fusiform
looks like a feather
pennate muscle
pennate muscle
fascicles attach at an angle to a tendon
fascicles attach on one side of the tendon
unipennate
fascicles fan out from the center
bipennate
fascicles fan out from more than 2 places
multipennate