We found one dictionary that defines the word back muscles:

General (1 matching dictionary)

1. Back muscles: Wikipedia, the Free Encyclopedia

▸ Words similar to back muscles ▸ Usage examples for back muscles ▸ Idioms related to back muscles ▸ Wikipedia articles (New!) ▸ Words that often appear near back muscles ▸ Rhymes of back muscles ▸ Invented words related to back muscles