| Answer | Crossword Clue |
|---|---|
| AGONIST | Contracting muscle |
| DILATOR | Contracting muscle |
| FLEXOR | Contracting muscle |
| agonists | contracting muscle whose action is opposed by another muscle |
| agonist | contracting muscle whose action is opposed by another muscle |
| flexing | Cause (a muscle) to stand out by contracting or tensing it |
