A statistical measure of the average error between a best fit line and actual data that uses past data to predict future performance. General Autoaggressive Conditional Heteroskedasticity is the most common way of doing this. See also: Fractal Distribution.
These include all the usual suspects prone to injury in runners: the Achilles tendon, the iliotibial band, the plantar arch and the peroneus longus muscle, which runs down the outer shin to the sole of the foot.
The collapse of the plantar arch in adulthood is closely linked to the professions which particularly demand this region (barbers, shop assistants, and waiters) or to some diseases which need immobilization on the long term (N.