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Naming Muscles:
As you already know, many of the terms used in anatomy and physiology are derived from Latin and Greek words. So if you can pick apart a term into its roots and stems, you can tell a lot about the structure and sometimes even the location of a muscle.
Muscles are named based on 7 characteristics including direction of the fibers, location, shape, relative size, attachments, origins and actions. Complete the table below with information related to each of these 7 characteristics. Label the diagrams where appropriate.
Characteristic Terminology Meaning Muscle Example
Direction
Rectus
Transverse
Oblique
Location Frontalis
Anterior
Lateralis
Medialis
Shape
Deltoid
Rhomboid
Serratus
Platysma
Relative Size
Maximus
Minimus
Medius
Major
Minor
Longus
Brevis
Location of attachments
Sterno-
Cleido-
Mastoid-
Brachio-
Radialis
Number of origins
Bi
Tri
Action
Levator
Flexor
extensor