Origin and Insertion

You may confuse these two, so here is a general guidline:guideline:

• The origin part usually does not move (or move less than the insertion part) when the muscle is flexed. 
  

The insertion part usually moves when the muscle is flexed. The

Also note that origin and insertion partareas usuallyalways moves.refer to

tendons that connect a muscle and a bone. There are no muscles that connect directly to a bone.

not final