Muscular System Guide - Medical Pocket Chart - Anatomy Quick Reference Guide by Permacharts Quick reference pocket size learning guide Comprehensive pocket-sized Guide with the effective use of full-color diagrams and corresponding text. The body is subdivided into 7 separate muscular sub-groupings for ease of reference. Specific muscles numbered to provide a clear linkage to the proper anatomical term. Easy-to-read to promoted memory retention. Great learning aid.