4-1 How much higher课件.pptVIP

4-4-1 Reading How much higher? How much faster? ;Since the early years of the twentieth century, when the International Athletic Federation began keeping records, there has been a steady improvement in how fast athletes run, … and how far they are able to hurl massive objects, themselves included, through space. Q1 Modern official athletic records date from about 1900. (TRUE/ FALSE/ NOT GIVEN) ;Q2 There was little improvement in athletic performance before the twentieth century. (TRUE/ FALSE/ NOT GIVEN);For the so-called power events- that require a relatively brief, explosive release of energy, like the 100-metre sprint …- times and distances have improved 10 to 20 %. In the endurance events the results have been more dramatic. Marathon 2:55:18 in 1908; 2:05:42 in 1999. Q3 Performance has improved most greatly in events requiring an intensive burst of energy. (TRUE/ FALSE/ NOT GIVEN) ;…human gene pool has not changed appreciably, but with increasing global participation in athletics- and greater rewards to tempt athletes – it is more likely that individuals possessing the unique complement of genes for athletic performance can be identified early. Q6 The growing international importance of athletics means that gifted athletes can be recognised at a younger age. (TRUE/ FALSE/ NOT GIVEN) ;These methods include strength training that duplicates what they are doing in their running events as well as plyometrics, a technique pioneered in the former Soviet Union. Whereas most exercises are designed to build up strength or endurance, plyometrics focuses on increasing power – the rate at which an athlete can expend energy. Yessis describes a training approach from the former Soviet that aims to develop an athlete’s 8 _______. ;Nutrition is another area that sports trainers have failed to address adequately…. Each activity has its own nutritional needs. Few coaches, for instance, understand how deficiencies in trace minerals can lead to injuries. Yessis links an inad