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flights 
Position of the body between the start and the entry; it must match one of the three positions authorized by FINA.
pike position 
Position in which the body is bent at the hips and the legs are outstretched; the arms are free.
straight position 
Position in which the body remains perfectly straight and the arms are free (above the head or along the body).
tuck position 
Position in which the body is bent at the knees and hips with the knees and the feet together; the hands hold the legs.