Table of Contents
BEST IELTS Academic Reading Test 262
IELTS ACADEMIC READING TEST – PASSAGE -3
IELTS ACADEMIC READING TEST
READING PASSAGE – 3
Forget those long arduous sessions in the gym. If you want to stay fighting fit, try a modern Stone Age workout* instead
Art De Vany is 62, but physical fitness tests three years ago showed he had the body of a 32-year-old. Although De Vany is sceptical of such assessments, he knows he’s in good shape. His former career as a professional baseball player may have something to do with it, but he attributes his physical prowess to an exercise regime inspired by the lifestyles of our Palaeolithic ancestors.
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De Vany’s advice to the modern exercise freak is to cut duration and frequency, and increase intensity. ‘Our muscle fibre composition reveals that we are adapted to extreme intensity of effort,’ says De Vany, a professor of economics at the Institute of Mathematical Behavioural Sciences at the University of California, Irvine. His approach to fitness combines Darwinian thinking with his interest in chaos theory and complex systems.
This new science, which De Vany calls evolutionary fitness, is part of growing efforts to understand how the human body has been shaped by evolution, and to use this knowledge to improve our health and fitness. Proponents believe the key lies in the lifestyle of our hunter-gatherer ancestors because, they say, the vast majority of the human genome is still adapted to an ancient rhythm of life which swung between intense periods of activity and long stretches of inertia.
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Across the Palaeolithic age which covers the period between 2.6 million and 10,000 years ago – prey animals were large, fast on their feet, or both. For men, this would have meant lots of walking or jogging to find herds, dramatic sprints, jumps and turns, perhaps violent struggles, and long walks home carrying the kill. Women may not have had such intense exercise, but they would have spent many hours walking to sources of water or food, digging up tubers, and carrying children.
If modern hunter-gatherers are anything to go by, men may have hunted for up to four days a week and travelled 15 kilometres or more on each trip. Women may have gathered food every two or three days. There would also have been plenty of other regular physical activities for both sexes such as skinning animals and tool making, and probably dancing.
Our ancestors must have evolved cardiovascular, metabolic and thermoregulatory systems capable of sustaining high-level aerobic exertion under the hot African sun, according to Loren (ordain of the Human Performance Laboratory at Colorado State University. And given that the Palaeolithic era ended only an evolutionary blink of an eye ago, we ignore its legacy at our peril. (ordain and his colleagues point out that in today’s developed societies, inactivity is associated with disease. Contemporary hunter gatherer societies rarely experience these modern killers, they say.
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This is where De Vany’s exercise ideas come in. ‘The primary objectives for any exercise and diet programme must be to counter hyper-insulinaemia (chronically elevated insulin) and hypo exertion (wasting of the body’s lean mass through inactivity),’ he writes in his forthcoming book about evolutionary exercise. Exercise and diet are linked. For example, says De Vany, our appetite control mechanisms work best when our activity mimics that of our ancestors. But he feels that most modern exercise regimes are not hitting the mark.
De Vany views the body as non-linear and dynamic and says exercise should mix order and chaos. ‘Chronic aerobic exercise overstrains the heart, reducing the chaotic variation in the heart rate which is essential to health,’ he says. Likewise, most weight training is governed too much by routine and is too time consuming. He gives his own workout a chaotic character with ascending weights and descending repetitions. To these brief but intense gym workouts he adds a wide variety of other activities that vary randomly in intensity and duration. These include roller blading, bicycling, walking, sprinting, tennis, basketball, power walking, hitting softballs and trekking with a grandson on his shoulders.
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He also argues that most people do not train the right muscles for that ultimately attractive and adaptive quality of symmetry. ‘Symmetry is a reliable evolutionary clue to health,’ he says. ‘Tumours and pathologies produce gross asymmetries, and our love of symmetry reflects the reproductive success of our ancestors, who were sensitive to these clues.’ He strives for the X-look – a symmetrical balance of mass in the shoulder girdle, upper chest and back, the calves and lower quads, two of the four large muscles at the front of the thighs. This also makes men look taller, he adds, ‘another reliable evolutionary clue that women use to find good genes’.
The hunter-gatherer lifestyle indicates that women should exercise only a little less intensely than men, says De Vany. ‘Women are opportunistic hunters who go after small game when they come across it. They also climb trees to capture honey and snare birds. And have you ever seen how much work it is to dig out a deep tuber?’ Women benefit enormously from strength work, he says. It increases their bone density and they get and stay leaner by building muscle mass. ‘Today’s women are so weak [compared with their female ancestors].’
Of course, people vary. De Vany acknowledges that our ancestors were adapted to a variety of terrains and climates. (ordain points out that genetic differences between populations lead to different physical strengths. East Africans, for example, seem to be better endurance runners, West Africans better sprinters. But human genetic similarity greatly outweighs the variations. And because our genes have changed so very little since Palaeolithic times, if you want to be a lean, mean, survival machine why not try exercising like a caveman?
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Questions 27-28
Choose the appropriate letters A-D.
27. What do you learn about Art De Vany in the first paragraph?
A) He frequently tests his health.
B) He works as a professional sports player.
C) He is older than he appears to be.
D) He believes he has inherited a strong body.
28. In the second paragraph. De Vany recommends that people should
A) exercise less frequently.
B) exercise harder but for less time.
C) give their muscles more time to recover from exercise.
D) learn more about how the human body reacts to exercise.
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Questions 29 – 31
Choose THREE letters A-G
Which THREE of the following docs the writer highlight when discussing the lifestyle of our Palaeolithic ancestors?
A) the difficulties involved in finding food
B) their size compared to that of modem man
C) the sudden movements required during their daily activities
D) the aggressive nature of their negotiations with others
E) the fact that life was equally energetic for both_ exes
F) the predictable frequency of physical activity
G) the long distances between neighbours’ homes
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Question 32
Choose the appropriate letter A-D.
32. Cordain compares modem hunter-gatherer societies to Palaeolithic societies in terms of their
A) ability to withstand high temperatures.
B) resistance to certain fatal illnesses.
C) healthy mix of work and leisure activities.
D) refusal to change their way of life.
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Questions 33-36
Using NO MORE THAN THREE WORDS. answer the/allowing questions.
33. What term does De Vany use to describe his approach to physical exercise?
34. Which TWO opposing factors does De Vany say an exercise programme should include’?
35. Which type of activity docs de Vany criticise as being harmful?
36. Which type of exercise does De Vany practise on a regular basis?
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Questions 37-40
Do the following statements agree with the information given in the reading passage?
TRUE if the statement is true
FALSE if the statement is false
NOT GIVEN if the information is not given in the passage
37. Our Palaeolithic ancestors were constantly active.
38. Female exercise programmes should vary according to the shape of the individual.
39. Geographical features have played a role in human physical development.
40. The importance of genetic differences in deciding on an exercise programme is minimal.
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ANSWERS ARE BELOW
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ANSWERS
27. C
28. B
29. A, C, F
30. A, C, F
31. A, C, F
32. B
33. evolutionary fitness
34. order and chaos
35. (chronic) aeorobic exercise
36. weight training
37. FALSE
38. NOT GIVEN
39. TRUE
40. TRUE
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