Muscles in the human body attach to bones at specific points called insertion and origin points. Insertion points are where muscles attach to bones and move during contraction, while origin points are where muscles attach to stationary bones. These attachment points allow muscles to create movement and perform various functions in the body.
Both the origin and insertion points attach muscles to bone. The muscles are moving the bones so they must be attached directly to bone.
The two attachment points are the origin and insertion. The origin is the immovable (or slightly moveable point. The insertion is the movable point. The insertion always moves towards the origin.
I think you may be talking about origin and insertion points which are the two points of attachment for a muscle. The origin is attached to the immovable (or less movable) bone. The insertion is attached to the movable bone. The insertion always moves towards the origin.
The tongue and the Penis do not have any insertion points that i am aware of.
The origins of muscles involved in muscle insertion are where the muscles begin and attach to bones or other structures. The functions of these muscles are to generate force and movement by contracting and pulling on their insertion points.
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.
Reverse origin and insertion refers to the changing of the attachment points of a muscle. When the origin and insertion of a muscle are reversed, the muscle's previous insertion point now becomes the origin, and vice versa. This can have an impact on the muscle's function and movement.
muscles particularly skeletal muscles have two points of attachments which are points of origin and points of insertions both of which are provided by the skeleton (bones)
Where a muscle attaches to a bone is at the origin and insertion points. The origin is the immovable (or slightly moveable) attachment point and the the insertion is the movable attachment point. During contraction the insertion moves towards the origin. HOW a muscle attaches to a bone is through tendons.
I just pick the key points to write an article . e.g. I write this article on an website about muscles of head and neck . you can find this article on this link : http://www.neuronarc.com/head-and-neck-muscles-origin-insertion-and-action.html
Inversion is often associated with the ankle; spmetimess called supination. And there several muscles in involved. The muscle of inversion of the foot is mostly the tibilialis anterior.