Related Clues:

• Bruce dropped to his, on "Downbound Train"
• "Head, Shoulders, ___ and Toes"
• Jumpin' joints
• Joints above ankles
• Crawling on hands and ___
• Hinges on humans
• Bryan Adams had snow up to these on "Reggae Christmas"
• Things held in a cannonball
• Talocrural joint sites
• Proposal supports?
• Sites of some sprains
• Strike-zone lower boundary
• Lowly joints?
• Orthopedic surgery sites, at times
• They're tucked in cannonballs