[Ben Wang - a good pair of shoes and basketball shoes life] can determine a player's professional life, but also the most direct protection professional basketball player. How to buy a good basketball shoe is usually done from four points, which is the embodiment of the competitiveness of basketball shoes, you have to look carefully.
The design of modern basketball shoes is specially designed according to the position of offense and defense. The main emphasis is on lightweight and good grip, good maneuverability and good shock protection, and good protection. By combining the above functions, the following four characteristics can be known from the perspective of sports biomechanics:
First, the shock function
Cushioning can be divided into two kinds: structural and material. Structures such as honeycomb structure, arch structure (Arch). Material properties such as Air, Gel. The shock-absorbing ability of sports shoes, according to the ASTM definition, is: “The ability to reduce the impact force by increasing the time of external force,†whether it is a material test or a human test, is the impact force of the ground reaction force in the vertical direction. The peak force (peak force peak) or peak acceleration ("acceleration peak") as an evaluation indicator, the impact force peak or the peak value of the negative acceleration is small, this sports shoe has a better shock absorption function, which can reduce the occurrence of lower limb injury.
For example, the classic Weapon Evo, the core technology FEEL brings people more stable and subtle shock absorption, rather than trampling in the clouds. Due to the use of the star damping unit, the midsole does not exaggerate the distance from the ground.
Second, the role of stability
The upper part of the basketball shoe, which has the function of stabilizing the foot to protect the ankle, avoiding the valgus of the foot, protecting the back of the foot, fixing the foot and protecting the Achilles tendon.
For example, the space-style Drop Step has a comfortable bottom shock-proof design, excellent crotch protection sponge, beautiful and practical ventilation holes at both ends of the shoe wing, and the leather guardrail at the heel of the shoe makes the feet more safe from movement. Body shedding.
Third, the anti-slip effect
The anti-slip effect of basketball soles is also a Friction. Most of the basketball courts in China belong to concrete, wood and PU. The results of the study showed that the shock-absorbing ability is the highest in the wood and the rebounding ability is the highest in concrete. In terms of friction, the material with the largest frontal friction is PU material, and the maximum friction force is the concrete. The front friction is the friction force that the shoes pull forward; it is the force that helps the human body to perform emergency stop action on the floor. After the friction is, Yucheng shoe industry, the surface of the site to help the human body forward propulsion.
Shading thickness and depth have the key to influence. With the deformation of the sole lines, the friction between the sole and the contact surface can be increased, and the anti-slip effect of the sole can be effectively improved. The large area of ​​the herringbone pattern is still a symbol of the strongest grip of the shoes.
Fourth, energy rebound
It is the so-called elasticity. Functional testing of sports shoes is mainly divided into two kinds.
(1) Material test: Place the sports shoes on the force plate or the ground and perform various tests on the shoes themselves.
(2) Subject test (subject test): Subjects were wearing sports shoes and tested in various ways (walking, running, vertical jumping). As a result of the body's vertical jump test, there is no difference in jumping height between bare feet and wearing sports shoes. There is no substantial help in showing the elasticity required for athletic shoes. The reason may be that the vertical jump of the human body is an active rebound, and the timing of the rebound of the sports shoe is ineffective if it cannot cope with the slamming action when the human body takes off.
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