PENIS!
Origin is typically the proximal attachment of a muscle because it is the least moveable. The distal attachment is where a muscle inserts.
tendon
The sarcomere is the contractile unit of a muscle fiber.
The ligament
. The insertion is considered the moveable part, or the part that attaches farthest from the midline or center of the body. The insertion in known as the distal attachment.
What is the Orgin of a muscle, and the moveable part is the insertion
Tendon
The part of anatomy that fits this description is the tendon, which attaches the muscle to bone.
An extensor straightens part of your body.
There are two points of attachment for a (skeletal) muscle, the origin and the insertion. The origin is the immovable (or slightly movable) part. The insertion moves towards the origin.
These could be legs or antennae.
the ciliary muscle is the smooth muscle of the ciliary body