Excellent. Now take nine steps, heel-to-toe, along a straight line, turn on one foot and return nine steps in the opposite direction. A subject may be impaired if they:

• Begin before the instructions are finished
• Cannot keep balance while listening to the instructions
• Do not touch heel-to-toe
• Lose balance while turning
• Stop while walking to regain balance
• Take an incorrect number of steps
• Use arms to balance