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ARCH

Autoregressive Conditional Heteroskedasticity

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.
References in periodicals archive ?
One marker was placed on the navicular bone of the right foot, indicating the medial longitudinal arch (Fig.
Describing the medial longitudinal arch using footprint indices and a clinical grading system.
Medial Longitudinal Arch Deformation During Walking and Navigation while Carrying Loads.
13,18) This muscle functions as a plantar flexor and powerful inverter of the foot, it also provides support to the medial longitudinal arch, and stabilizes against hindfoot valgus and forefoot abduction deformities.
2004) identified arch taping and a medial wedge orthotic, used separately, maintained the medial longitudinal arch height for 15 minutes; however, a combination of the two techniques maintained the medial longitudinal arch for 30 minutes.
The foot tends to widen and the longitudinal arch on the instep of your foot tends to flatten.
Design issues included: centrifugal force restraint due to the compound bridge geometry, low clearance connections between floor beams and arches, large longitudinal arch thrust, and fabrication and erection of the laminated components.
29-32) When the dancer erroneously performs a foot hyper-abduction and consequently a collapse of the longitudinal arch occurs, damaging shear forces in the patellofemoral joint, femorotibial friction, and detrimental foot pronation take place.
The function of the plantar fascia is to provide static support of the longitudinal arch and dynamic shock absorption.
Results showed that, there is no relationship between rate of damage to knee and ankle and height of foot's medial longitudinal arch [23], With regard to the point that, in this study no relationship was found between flat foot and stress urinary incontinence, but a significant association was seen in several studies between low back pain and feet abnormal position.

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