A third--or more--leg can help.

• Position: Canes & Walkers

When walking is difficult because of arthritis, balance problems, pain, or injury, do not avoid a cane or walker just because they are two of the dreaded symbols of old age. Instead, consider the devices as a way to maintain independence, advises the Mayo Clinic Women's HealthSource.

Canes provide balance and support for walking, handling up to 25% of an individual's body weight. Many types are available. Aluminum ones are adjustable; wooden canes must be cut to fit. For everyday use, a hooked, or candy cane-style cane probably would not be the most comfortable. A swan neck handle, which is flatter and puts the user's weight directly over the cane's shaft, likely will feel better.

For an appropriate fit, the top of the cane should reach the crease of the wrist when the user is standing up straight with arms hanging comfortably. Using a cane that is too long puts strain on the arms, shoulders, and back muscles; too short, it throws off balance.

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Normally, a cane is held in the hand opposite of the weaker side. With weight on the stronger leg, the cane and the weak leg swing and strike the ground at the same time. When a cane is needed primarily for stability, it can be held in either hand.

Walkers provide a wider base of support and stability for balance and walking than do canes. They can support up to 50% of a person's body weight, and especially are helpful for moderately severe...