Possible Clues:

• One out on a limb?
• Bone that means 'elbow' in Latin
• Girl goes round lake for bone
• Bone meaning 'elbow' in Latin
• Fibula's counterpart
• Arm's runner?
• Larger forearm bone
• Chuck from Dublin Bay the odd bone
• Locale of the radial notch
• Bone connected to the supinator muscle