I am study anatomy and muscle origin and insertion are driving me crazy are there are any simple way that I can learn them

thanks

Second order commonly refers to muscles anatomical Origin, Insertion, Innervation, Function.
Origin: point where the muscle starts from
Insertion: point of muscle insertion or attachment
Innervation: which nerve(s) innervate or supply nervous impulses to the muscle
Function: the function of the muscle- what the muscle does.

It is given the name sternocleidomastoid because it originates at the manubrium of the sternum (sterno-) and the clavicle (cleido-), and has an insertion at the mastoid process of the temporal bone of the skull.

insertion loss the loss that occur the insertion of a device in transmit ion line or fiber .