Ballet is at the same time and arts and sports. The physical requirements in ballet are very unique. Pushing the limits of our own body in order to achieve elegance and aesthetics go beyond biology of the human body. The professional ballet dancers often enter in that at a very early age. Education is a long-term, arduous and requires a lot of sacrifice, work and persistence. The system selection is becoming stricter on higher levels of education. The intensity of exercise increases. Ballet requires special shoes. Ballet shoes are specially designed for dancer to stand on tiptoe with the feet in plantar flexion. Biomechanics of the body changes in dancer’s body. Initial ballet position requires flattening of physiological curve of the spine, muscle contractions of the anterior abdominal wall, arms must be in a position of natural harbour with raised neck. The legs go to external rotation of the hip with open feet to the angle of 180 ° with full extension in the knee joint. Ballet lessons consists of two parts, the exercises on a Barre and a central teaching. Exercises on Barre serve to warm up the body for the central part of the class. In the cycle of seasons one ballet company injuries happen mostly during ballet classes and on the stage. Risk factors that increase the risk of injury are certainly types of dance floor and ballet shoes. The greatest risks for injury are lower extremities and spine. In male dancers also comes to injuries of the upper extremities due to raising partner during the movements in the Pass de deux (dance for two). Mechanisms of injuries are due to overuse or traumatic aetiology.. The most common injuries are traumatic ankle sprains and others that occur due to overuse. Overexertion is the most common cause of injuries in female dancers, while in male dancers common cause is of traumatic aetiology. Traumatic injuries affect young dancers who only come into dance troupe and their body is not used to the intensity and demands of the program. As a recreational activity, the ballet has become increasingly popular.