Related Clues:

• Muted (with ''down'')
• Firmed muscles
• Got into shape, with "up"
• Improved muscle definition
• Quieted (down)
• Moderated, with 'down'
• Got fit
• Improved, as one's muscles
• Worked on one's muscles
• Added muscle, with 'up'
• Muscly
• In good physical shape
• Not too flabby
• ___ down (muted)
• Tempered, with 'down'