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2011年10月7日星期五
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They undertook 10 sets of 8 repetitions at 70% of IRM. Tendons are essentially elastic and must deform as huge loads are transferred through them.If the collagen fascicles increase in size then the amount of deformation will be reduced and thus the tendon can absorb more load.The point at which a tendon will strain is called the 'Yield Point'. There are 3 main types of collagen:Type I: Important for tensile strengthType II: Main component of cartilageType III: Laid down post injury.It has been previously thought that only muscles can hypertrophy from resistance training and that the tendon and aponeurosis are unaffected.Interestingly, Aagaard and his colleagues in Denmark have shown in their Tn Requin studies that there was up to 40% increase in the cross sectional area of the tendon after undergoing the resistance-training program compared to the control group. This findings were shown on MRI scan.MRI scans on athletes involved in sports that predispose an overloading on a leading leg (Fencing, Badminton) confirm such findings.The training regime involved 12 weeks of heavy resistance knee extension training on a Technogym machine. This occurs when the tendon has lost its elasticity and can no longer function within its anatomical limits.Tendon hypertrophy prevents a tendon reaching the 'Yield Point' as early in an untrained tendon. His findings may warrant a total rethink on current rehab/prehab protocols Nike Tn for athletes prone to tendon injuries.Tendons are made of collagen fascicles. Consequently the muscle will now be able to generate more power within its muscle belly and joint stability will be greatly increased.Clinical applications in sport should be in the rehabilitation of athletes with previous tendon injuries and in the prehab routines of athletes who are involved in explosive activities that cause massive strain at large tendinous insertions i.e. Per Aagaard of the Danish Institute of Sports Sciences and Clinical Biomechanics recently lectured at the High Performance Centre in Perry Barr, Birmingham.I had the good fortune of being invited by Neil Black, the Head of Sports Science and Medicine for UK Athletics, to listen to Per relay his extensive knowledge and latest research findings.The most interesting part of day involved his findings showing that tendon loading via targeted resistance training may enhance injury resilience. Subjects trained 3 times per week. There was 3 minutes of rest between each set.The control group consisted of light resistance knee extensions on the other leg under the same conditions.The benefits of tendon hypertrophy are plentiful. Semimembranosus and Achilles.Recap:oHeavy resistance training causes hypertrophy of tendonsoLarger tendons have more strengthoAn increase in tendon stiffness allows more energy to be absorbedoSpecific training of tendons may help prevent tendon injuryDavid Cosgrave BSc (Hons) MSc DC Sports Chiropractor cosgraved@hotmail.com. basket nike air max tn clear hommes neuf france 2010nike tn clear,basket tn clear,tn requin clear,nike requin clear pas cher
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