The system or arrangement of muscles in a body or a body part.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "musculature" in a sentence
"Do I 'adapt to my level of musculature simply because Arnold Schwartenegger's musculature is larger?"
"Yet Jalali is clearly satisfied with his endeavors, noting his musculature is the result of dedicated training and careful diet."
"The height he must have inherited from English forebears, and the musculature was the result of hard labor."