The one-leg stand is an excellent beginning exercise.

One basic exercise is to stand on one leg in a doorway. Start with your eyes open, holding the pose for 30 seconds. As you develop your balance, you can try to hold the position for longer, and you can also try it with your eyes closed. As you get more comfortable, you can incorporate leaning movements to further develop your balance and focus on specific goals. For example, taking a single step forward and leaning forward to hold a lunge position will emphasizes alignment, coordination and balance. Do the same going backwards and to the side to strengthen all of the muscle groups and to develop more complete lower-body balance.