Advanced Materials for Sports Equipment: How Advanced by E.A. Easterling

By E.A. Easterling

Virtually all activities have benefited in a few the most important manner by means of the creation of artificial fabrics. complicated fabrics in activities gear is a readable creation to those new fabrics. The publication examines the position performed through complicated fabrics within the layout, functionality, visual appeal and protection features of varied gear and exhibits most probably destiny advancements.

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Additional info for Advanced Materials for Sports Equipment: How Advanced Materials Help Optimize Sporting Performance and Make Sport Safer (Commonwealth Ctr St. in Amer. Culture)

Example text

In this case, the largest part of the impact force on the foot impacts the forefoot and the outer border of the foot. Oversupination is actually regarded as the cause of Achilles' tendon pain. It mayaiso influence the whole running performance negatively because it has the effect of hindering natural forward movement of the body. 3 The rotary position and movement in the ankle joint for three runners representing an overpronation (left), very little pronation (centre), and also very little pronation but always remaining on the outside of the foot (right).

It is worth eonsidering some of the individual eomponents making up asports shoe in more detail. THEMIDSOLE The key eomponent of asports shoe is its midsole, whieh is loeated between the upper and the outsoIe. 10 The midsole, showing also the Asics' gel pad insert. component is compressed and tensioned many times during running and jogging. 10). To some extent this is a contradiction in itself, and it is a problem that can only be solved by clever design and materials selection. Most sports shoe midsoles are made of EVA, a polymer or plastic foam consisting of ethylene, vinyl and acetate.

Refers to density of material; Gy refers to yield strength; F refers to applied load; r is radius, t is thickness, I is length, W refers to width of plate and T is the torsional force. C_A_S_E_S_T_U_D_I_E_S_I_N_M __A_T_E_R_IA __ LS__S_E_LE_C_T_I_O_N________~I L -________ materials for this application. World records are nowadays broken using a highly sophisticated form of carbon fibre composi te hollow pole in which the design properties are optimized for specific stiffness, minimal torsion and ultralightness.

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