impulse | 1/2013 | page 7 Pressure to perform in sports Possibilities for performance improvement through comfort and compression The objectives of a current material properties (see page 9). research project (AiF no. 16868 Lactate concentration in the blood, N), which will run until July 2014, breathing gas, heart rate and are to provide targeted support characteristic body temperature as for manufacturers of compression well as skin and micro climate are textiles with design guidelines measured to determine the endurance for product development and performance of the test subjects in to provide retailers and end relation to the compression textile. customers with reliable proof of The test subjects were interviewed the performance-enhancing effect to additionally document their of compression sports clothing. subjective sensations with regard to temperature, moisture, wear comfort ‘This is the first and exhaustion. The Hohenstein comprehensive study of researchers expect further insights the relationship between with regard to the best possible compression effect by evaluating compression and wear around 17,000 3D data sets comfort and of the which were generated in different resulting performance representative serial measurements. improvement.’ The process first selects all data sets which can be allocated to The study examines standard the special target group commercial runner’s knee-high of ‘endurance athletes’. socks and long tights for relevant In preparation, the project team first measured using HOSY (HOhenstein ‘Laboratory tests are Degree of compression parameters such as compression carries out a systematic evaluation SYstem) which is normally used supplemented by wearer trials and compression gradient strength and compression of all compression textiles available to verify the compression effect with human test subjects in can then be adapted to the gradient as well as textile design morphological properties of characteristics and comfort results are then used as a basis according to RAL GZ 387 (see info compression textiles on the body the athlete’s legs.order to research the effect ofof medical compression stockingson the market. The measurement properties. To obtain objective for developing starting points and box). Wear comfort is determined results, the researchers focus on a suggested solutions for product through measurements with the and the thermal balance.’ specific wearing situation – running optimisations. Compression strength Skin Model and other devices Martin Harnisch under warm ambient conditions. and compression gradient are for recording skin sensory firstname.lastname@example.org cOmpressiOn textiles fOr atHletes – facts & questiOns The increase in physical and reducing the risk of injury. To measure compression strength HOSY lengthwise and then stretched performance through compression Waste products from muscle and compression gradient across crosswise to different degrees. The sports textiles is based on several work are removed faster and the entire length of the knee-high measured force is used to calculate effects. Exerting pressure on certain oxygen-rich blood returns to socks and the runner’s tights, the the compression which is being muscle groups increases venous the muscles more quickly. This Hohenstein scientists use the test exerted on the leg of the wearer by blood return flow to the heart and improves regeneration, allowing device HOSY (Hohenstein System) the test sample. The result (extension, improves peripheral circulation. the athlete to decrease the time which was developed by the force, pressure and residual Fixing the muscles reduces to the next training session. institute. It consists of 20 individual, pressure) is listed in a table for each micro vibrations and possible directly adjacent tensile testing individual measuring point/clamp. swellings, ensuring that devices with a width of 5 cm each. The pressure profile of the stocking muscles do not tire as easily The test object is mounted into the can also be shown in a diagram.
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