Great toe, also known as the "hallux" is the first toe on the foot. It plays an important role in maintaining balance as well as providing propulsive force during activities such as walking, running, and jumping. The great toe is also prone to injuries and deformities such as bunions and hammer toes. Synonyms for the great toe include the big toe, first toe, and primary toe. In medical terms, it is referred to as the digitus primus or hallux. Whatever you call it, the great toe is an essential part of our body and plays an important role in our daily activities.