Mesoamerica movements of celestial bodies and memorialize public officials. The 260-day cycle was also used for divination, and (like the Catholic calendar of saints) to name newborns. The names given to the days, months, and years in the Mesoamerican calendar came, for the most part, from animals, flowers, heavenly bodies, and cultural concepts that held symbolic significance in Mesoamerican culture. This calendar was used throughout the history of Mesoamerican by nearly every culture. Even today, several Maya groups in Guatemala, including the [[K'iche' people|K'iche']], [[Q'eqchi' people|Q'eqchi']], [[Kaqchikel people|Kaqchikel]], and the [[Mixe]] people of Oaxaca continue using modernized forms of the Mesoamerican
External fixation usually used when internal fixation is contraindicated- often to treat open fractures, or as a temporary solution. External fixation is also used in limb lengthening. People with short limbs can have, for example, legs lengthened. In most cases the thigh bone (femur) is cut diagonally in a surgical procedure under anesthesia. External fixator pins or wires (as above) are placed each side of the 'man made fracture' and the external metal apparatus is used to very gradually push the two sides of the bone apart millimetre by millimetre day by day and week by week. Bone will gradually grow into