noun
musculature
MUS-kyuh-luh-cher/ˈmʌskjələtʃər/
The system or arrangement of muscles in a body or body part.
The anatomical models show the torso’s musculature.

Etymology
Latin musculus meant “little mouse”: the shape and movement of certain muscles were thought to resemble mice. Musculature names the muscles collectively as an organized system.
In context
The muscles of this group form the intrinsic musculature. The intrinsic muscles are arranged in four layers from superficial to deep.
More examples
- Training changed the horse’s musculature.
- The sculptor studied human musculature.
- The model highlights the musculature beneath the skin.
Forms
musculature