Torsion Control Index (TCI): measurement of midfoot shoe stability, in inch-pound units (in.-lbs.). TCI is measured through actively twisting a shoe around the longitudinal axis of the shoe, from the heel to the area of the toes joints, simulating rotational forces of the foot, and measuring the shoe’s resistance to this motion.
Vertical Compression Index (VCI): measurement of hindfoot shoe stability, in millimeters (mm). VCI is measured through compression of the heel portion of the shoe under a fixed amount of pressure, thereby measuring how the structure of the shoe controls rearfoot motion.
Rebound Index (RI): indicator of energy return of shoe to the foot, in millimeters (mm). RI is measured through compression of the heel portion of the shoe under a fixed amount of pressure, and then determining how much force the shoe exerts on the foot.
Shoe Stability Index (SSI):
indicator of shoe stability, as an index. SSI is derived through mathematically combining the quantified measurements of midfoot stability (TCI) and hindfoot stability (VCI), indicating the shoe’s overall ability to control the motion of the foot.

FEED TWITTER

New Balance – 840v2

Apr 17, 2014

Brooks – ADRENALINE GTS 14

Apr 17, 2014

Nike – Air Max 2014

Apr 17, 2014

Saucony – PEREGRIN 4

Apr 17, 2014

New Balance – 1340

Apr 17, 2014

Brooks – ARIEL ’12

Apr 17, 2014

Brooks – ADDICTION 11

Apr 17, 2014

New Balance – 1540v1

Apr 17, 2014

Brooks – ADRENALINE ASR 10 GTX

Apr 17, 2014

Salomon – XA PRO 3D

Apr 17, 2014

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