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人们普遍认为腰疼背疼和不正确的坐姿有直接关系。然而，一些研究得出的结论是没有足够的科学依据能证明低头垂肩、弯腰驼背会引起背痛。不过科学家们普遍认为我们应避免长时间保持一个姿势，静止不动。本文讨论低头垂肩是否会影响健康。
词汇：posture 姿势，仪态 We hear family members and teachers telling us to "sit up straight" and "stand tall", but do they say that because an erect posture is more aesthetically pleasing, or is it the key to a pain-free back? It's commonly believed that 'slump' sitting or 'slouch' standing damages our spines. But, is slouching really that bad? Meghan Markowski, physiotherapist at Harvard-affiliated Brigham and Women's Hospital, says that a poor posture can lead to neck pain and back problems. She also links it to other problems like poor balance, headaches and breathing difficulties. Meghan says we should aim for an upright spine position and to avoid flexing and arching our backs. But, if you're a sloucher, there may be some good news coming from the last two decades of research… In an article called "Sit Up Straight: Time to Re-evaluate", physiotherapist Diane Slater and colleagues review the current research and conclude that there is no strong evidence that slouching aggravates back pain, or even that a perfect posture exists. Instead, they argue that differences in our spinal curvatures are a fact of life, and that our backs are stronger than we think. So, we're not sure that slouching causes back pain, but have you ever felt like slouching puts you in a worse mood? A 2014 study by Johannes Michalak and colleagues found that depressed participants in a slumped seated position remembered more negative words than positive, but this improved once they sat upright. That means that the way we sit might make us feel more negative. Should we sit up straight and stand tall then? Something both sides seem to agree on is that we should avoid staying in one static posture throughout the day – we should change positions and stretch. The human spine is designed to be on the move and a sedentary lifestyle can increase the risk of back pain. If you're unable to do this, slouching in front of your computer all day may cause you discomfort, but the evidence tells us it's not actually damaging your spine. 词汇表erect posture 昂首挺胸的姿势，腰板挺直的姿势 测验与练习1. 阅读课文并回答问题 1. What is a common belief that people have about slouching? 2. Name three problems that Meghan Markowski links to poor posture. 3. True or False? Diane Slater’s article agrees with Meghan Markowski’s view that a poor posture can lead to back problems. 4. What happened when participants in Johannes Michalak’s study were sitting in a slumped position? 5. What advice is given at the end of the article for us to avoid back pain? 2. 选择意思恰当的单词或词组来完成下列句子。 1. Stand up straight and stop _______! slouch slouching sloucher slouched 2. Office jobs can be quite _______. Lots of sitting at desks in front of computers. sedentary upright slouched discomfort 3. I don’t like to sit down for too long. I prefer to be _______. on the move static slumped spinal 4. They say that yoga is great for improving your _______. flexible upright posture physiotherapy 5. I love how you’ve decorated. The room is so _______. uncomfortable aesthetically pleasing static pain-free 答案1. 阅读课文并回答问题。 1. What is a common belief that people have about slouching? It’s commonly believed that slouching damages our spines. 2. Name five problems that Meghan Markowski links to poor posture. Meghan links neck pain, back problems, poor balance, headaches and breathing difficulties to poor posture. 3. True or False? Diane Slater’s article agrees with Meghan Markowski’s view that a poor posture can lead to back problems. False. Diane Slater’s article claims there is no strong evidence that slouching aggravates back pain. 4. What happened when participants in Johannes Michalak’s study were sitting in a slumped position? In Johannes Michalak’s study, participants in a slumped seated position remembered more negative words than positive words. 5. What advice is given at the end of the article for us to avoid back pain? The article recommends we should avoid staying in one static posture throughout the day – we should change positions and stretch. 2. 选择意思恰当的单词或词组来完成下列句子。 1. Stand up straight and stop slouching! 2. Office jobs can be quite sedentary. Lots of sitting at desks in front of computers. 3. I don’t like to sit down for too long. I prefer to be on the move. 4. They say that yoga is great for improving your posture. 5. I love how you’ve decorated. The room is so aesthetically pleasing. (本文章网址：https://www.geilien.cn/bbc/takeaway/bbcslouching.html)
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