musculature

Presumably there is nothing unique about Delap's musculature that prevents it from being taught to others, so why has it never been repeated?

The movement pulls skin taut over the ribs, spine and musculature of her back, enlivening the subject’s tactile sensuality.

However, it has been unclear what this resistance of the eye's musculature is due to.

Deep anesthesia and removal of neck musculature were required to expose the lymphatics in the mice.

Likewise, if your species specializes in social communication, the musculature might reflect that.