Question

the origin is where a muscle begins, the ______ movable attachment of the muscle. least only

Explanation:

In muscle - anatomy, the origin of a muscle is the least movable attachment, while the insertion is the movable attachment. The given statement has an incorrect description of the origin.

Answer:

Neither 'least' nor 'only' is correct as the description in the statement is wrong. The origin is the least movable attachment, not the movable one.