The German Institutes of Textile and Fibre Research Denkendorf (DITF) and its project partner T1TAN have developed a glove for soccer goalkeepers to prevent 90 per cent of injuries caused by overstretching. The scientists developed a mechanical concept which helps absorb the force in the fingertips and optimally transfer it to the forearm via the wrist cuff.
"The research task is very demanding," explained Hans-Helge Böttcher, a scientist at the Technology Centre Knitting Technique at the DITF in Denkendorf. "The textile material not only has to protect the fingers from extreme stress, it also has to be flexible and not restrict sensory perception." That, he said, is the reason why no effective protection has been available on the market to date.The German Institutes of Textile and Fibre Research Denkendorf (DITF) and its project partner T1TAN have developed a glove for soccer goalkeepers to prevent 90 per cent of injuries caused by overstretching. The scientists developed a mechanical concept which helps absorb the force in the fingertips and optimally transfer it to the forearm via the wrist cuff.#
The glove developed at the DITF is designed to prevent 90 per cent of injuries caused by overstretching. To achieve this, a mechanical concept was developed that absorbs the force in the fingertips and optimally transfers it to the forearm via the wrist cuff - and does so without deforming the glove. The central functional elements of the overstretch protection are load-absorbing textile structures with specific force-elongation mechanics. These structures are sewn on from the finger end joint of the outer hand to the finger end joint of the inner hand and are thus firmly anchored in the glove. The glove and its individual functional elements have been designed and arranged to create a geometrically high form fit that optimally guides the flow of forces.
The advantage for the athlete is that the protective device can not only be individually adjusted to each hand length, but the appropriate pretension can even be set for each individual finger. This replaces the plastic splints previously attached to the outer hand. These so-called "finger frames" have the disadvantage that they easily bend beyond their stretch limit.
The wrist is enclosed by a cuff made of a particularly strong and elastic material and, with the help of load-bearing textile straps, transfers the tensile forces to the forearm via channels in the palm.
To test the effect, a "glove test rig" was set up at the DITF. It consists of a ball cannon and a specially developed hand dummy for the goalkeeper's glove. The ball cannon shoots at speeds of 20-120 kilometres/hour and from different ball ejection angles A pressure cell is installed behind the glove to determine the "residual impact force" on the hand. This is so low in the newly developed goalkeeper glove that the goalkeeper is effectively protected from overstretching his fingers.
The research project will be completed in September 2021. "It is quite possible that the new technology will already be standard at the World Cup in Qatar," says Oswald Rieder, head of the Technology Centre Knitting Technique.
The research project is funded under the Central Innovation Programme for SMEs (ZIM).
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