Os Trapezoideum is a small bone situated in the foot region. It is also known as the cuboid bone due to its cube-like shape. This bone forms one of the joints in the midfoot region. Synonyms for this bone include the cuboid, os cuboideum, or bone cuboid. It is an important bone as it plays a crucial role in maintaining proper alignment of the foot and helps in the correct distribution of the body weight. The os trapezoideum is involved in movements of the foot, particularly in the sideways and twisting directions. Overall, the cuboid bone is a vital component of the foot and plays an essential role in maintaining stability and balance.