Alteration in pain perception from the tendon. 2.1. Flywheel (Yoyo) technology The working principle o f this device is based on settin g a flywheel into rotational motion by concentric muscle acti on and then decelerating the motion by eccentric mus cle action.Monitoring training intensity with Yoyo Multigym in real time helps to increase motivation and performance.
Right: exercise for arm extensors. Eccentric exercise for the quadriceps with Tirante musculadorTM (blue brace) that allows hip extension and so extra involvement of rectus femoris. Figures - uploaded by Julio Tous Author content All figure content in this area was uploaded by Julio Tous Content may be subject to copyright. Fc Barcelona Training Drills Files Free Public FullDiscover the worlds research 17 million members 135 million publications 700k research projects Join for free Public Full-text 1 Content uploaded by Julio Tous Author content All content in this area was uploaded by Julio Tous Content may be subject to copyright. Fc Barcelona Training Drills Files Professional Football ClubsIntroduction Until very recently, professional football clubs in Spain often placed too lit tle emphasis on strength an d power training. A reason for this fact could be the long- held belief that strength training reduces speed a nd technique by pro mot ing bulky muscles. Another factor is that professional teams usually have only one conditioning coach (sometimes without a full-time contract), with a strength coach being an exception. During the second hal f of the 2003-2004 season, a project was developed at F.C. Barcelona. The three main objectives of this project w ere to: 1) Prevent injuries via optimum conditioning; 2) Develop specific strength and power; 3) Hasten the return to play of injured players a fter following the physiotherapists rehabilitation programme. To achieve these objectives, the use of different technologies related to strength and powe r training was introduced: -Flywhee l technology (YoYo Technology Inc., St ockh olm, Sweden) -VersaPulley (Heartrate Inc., California, USA) -Whole-body vibrations (self- made unit) -MuscleLabTM (Langesund, Norway ) Traditional wei ght tr aining was al mos t eli m inated from the training schedule. ![]() This fact helped to reduce the duration of training sessions and increase the m otivation of players. The aim of this article is to present this experience of top level football. In the process the scientific background to each training interventio n is explained. Eccentric training: the key for injury pr evention It is well known that eccentric muscle actions generate greater force at a lower l evel of activation and subject muscles to more severe damage than do concentric actions. Thus, it is accepted that muscle injuries often occur while the contracted muscle is suddenly overstretched beyond i ts li m its. Unfamiliar eccentric exercise frequently results in muscle damage, the sy m ptoms of whic h include loss of strength, experie nce of pain and muscle tenderness. Followi ng complete recovery, a Julio Tous is a Fitn ess Training Co nsult ant with FC Ba rcelon a. In this arti cle he looks a t the v arious new technologi es being applied to s trengt h training. Tous, J. Strength training at F.C. Barcelona. Insight Live. Vol. 11, July 2005. The exact mechanism o f this adaptation is not well defined but it see ms ther e could be neural, mechanical and cellular adaptations. It is apparent, however, that if the tissues threshold for failure of force production increases and the attenuation of loads is enhanced, a protective effect can occur. Those are the main reasons why nowadays eccentric training is accepted as the prefer red model to prevent muscle injuries. On the other hand, eccentric training has been shown to be successful in rehabili tation from chronic tendinosis. Both randomised and non- randomised studies have indicated very good short- term clinical results after performing eccentric traini ng in both achilles and patell ar tendinopathies. Effect of stretching in lengthening the muscle- tendon unit and reducing ankle joint motion; 3. Alteration in pain perception from the tendon. Flywheel (Yoyo) technology The working principle o f this device is based on settin g a flywheel into rotational motion by concentric muscle acti on and then decelerating the motion by eccentric mus cle action.
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