The Pacer gait trainer is designed to help a disabled child learn to walk. For a child lacking active use of his or her trunk and leg muscles, the Pacer provides necessary support during gait training and requires little or no weight-bearing. The mini Pacer is recommended for users with elbow height between 15½" and 20½" (39–52 cm). The maximum working load for the mini Pacer is 50 lbs (23 kgs). The small Pacer is recommended for users with elbow height between 18½" and 27½" (47–70 cm). The maximum working load for the small Pacer is 75 lbs (34 kgs).