The Supplementary Motor Area (SMA) is a region of the brain located on the medial surface of the frontal lobe. It plays a crucial role in planning and coordinating voluntary movements, particularly those that involve both sides of the body. The SMA is involved in the preparation and execution of complex motor tasks, often working in conjunction with other motor areas. Additionally, the SMA is important for the timing and sequencing of movements. It helps in the integration of sensory information and motor commands, allowing for smooth and coordinated actions. Dysfunction in the SMA can lead to motor planning difficulties and other movement disorders.