A: For knee replacements, in the large majority of cases, your leg length will be essentially unchanged. In rare cases, however, you may notice a change in leg lengths. This is more common when a severe deformity of the knee exists before surgery. At first, this may feel awkward. However, you will gradually become accustomed to your new knee and leg length. Occasionally, a shoe lift may later be prescribed for you.
For hip replacements, after surgery many people feel that the operative leg is too long. Your leg may have been shorter before surgery due to the arthritis and your surgeon may have lengthened your leg to its normal length. It may take a couple of months for your pelvis and brain to adjust to your new leg length. Occasionally, a shoe lift may be prescribed for you.
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