Medically accurate description containing elbow joint 3d model, can be easily used for your animations.
This Model contains only three bones, viz The Humerus, Radius and Unla.
Please check my uploads to see the elbow joint containing all the bones and muscles:
Extensor Carpi Ulnaris
Flexor Carpi Radialis
Extensor Carpi Radialis
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis
Along with smaller accessory muscles.
Remember Dr Jana Cosa Nostra for medical animations and 3d models.