What does a Supramalleolar Orthosis (SMO) primarily assist with?

A Supramalleolar Orthosis (SMO) is primarily designed to control the position of the foot and ankle during the swing phase of gait, which is crucial for limb clearance. By effectively managing subtalar joint motion, it helps to ensure that the foot clears the ground, reducing the risk of stumbling or dragging during ambulation. This function is particularly important for children and individuals with certain neuromuscular conditions who may have difficulty with proprioception or muscle control.

The design of the SMO provides support around the malleoli while allowing some freedom of movement, which assists in achieving a more efficient gait pattern. The correct use of this orthosis can lead to improved mobility and overall functional outcomes for the wearer, making it a valuable tool in pediatric or therapeutic settings where limb clearance is a significant concern.