跟读练习: Understanding Sports Injuries: Definition, Classification, and Impact - 通过视频学习英语口语
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Defining injury in sport is a significant challenge, mainly due to its subjective nature.
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You see, what may appear as an injury to one person might not seem the same to another.
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One athlete might still be able to function quite well despite feeling some pain, while another might find it impossible to play even with slight discomfort.
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This creates all sorts of problems for research and by extension the practice of sports medicine.
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Because if we don't know how to define an injury, figuring out its impact or how to develop a rehabilitation or prevention program is next to impossible.
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Add to that the tendency for injuries to have profound psychological aspects too,
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like stress or pressure, which can significantly hamper an athlete's performance.
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Thanks.
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And then there are the various types of physical injuries, from simple sprains and strains to more severe cases like fractures or concussions.
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The upshot of all of this is that defining injury is really hard.
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So in this lecture we're going to delve into how sports injuries are defined, what they are and how they occur, and their effects.
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When we refer to sports injuries, we are talking about injuries that occur during sporting activities or exercise.
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At its most basic, in research literature,
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an injury is defined as tissue damage or other derangement of normal physical function due to participation in sports,
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resulting from rapid or repetitive transfer of kinetic energy.
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Injuries can occur as a result of an acute traumatic event like a collision or a fall, or as a result of repetitive stress.
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That definition is a good start, but it doesn't really tell us anything practical about the tissues involved
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or the severity of the injury or how long recovery will take.
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To make things more pragmatic, let's look at defining injury through a couple of different lenses.
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The first lens involves classifying injuries according to what kind of tissues they affect.
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Fundamentally, injuries affect at least one of the four classifications of human tissue: nervous, epithelial, muscle or connective.
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This means that injury will involve damage to one of these tissues, specifically interfering with physical function and subsequently participation in sport.
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For example, nervous tissue damage could lead to numbness or weakness, such as nerve impingement from a herniated disc.
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Epithelial tissue may be damaged in injuries like skin abrasions.
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Muscle tissue injuries are probably the most widely recognised classification of injury in sport, and include things like strains and tears.
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Connective tissue, which includes ligaments and tendons, are the culprits in sprains and tendinopathies.
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Thank you.
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The next of our defining injury lenses centres around the nature of their onset.
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Do they come on suddenly, after a collision, or perhaps the injury is a little more pernicious, developing slowly over time?
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There are generally considered to be three main types of injury onsets.
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acute injuries, sudden onset repetitive injuries, and gradual onset repetitive injuries.
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An acute injury happens after a sudden trauma and usually hurts straight away.
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Examples of acute injuries include ligament sprains, bone fractures and joint dislocations.
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These occur due to a specific and identifiable event usually involving a high force impact or unusual movement, a fall, a tackle or some kind of collision.
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On the other hand, repetitive injuries can be broken down into those with sudden onset and those with gradual onset.
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Repetitive injuries with sudden onset can happen when an individual performs an activity they are not conditioned for, leading to unexpected trauma.
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These injuries often feel like acute injuries, but they are actually caused by repetitive stress over time.
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Thank you.
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The next important lens gives some context to our definition of injury because context is key in defining sports injuries.
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The type of sport, the level of competition and the position played can all influence the nature of the injury.
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acute injuries while overuse or poor technique can result in gradual onset injuries.
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Environmental factors such as playing on a hard surface can also contribute to injury risk.
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To simplify matters, think about it through a sequence lens, starting with physical complaints, the potential need for medical attention, and then the amount of time loss incurred.
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Some injuries will have all three of these characteristics, whereas others will only have one or two.
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All injuries tend to start with a physical complaint, the discomfort or abnormal feeling experienced by the athlete.
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You might feel knee pain after running, but it may not interfere with your regular activities and you may not seek medical attention for it.
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If you perceive the physical complaint as being significant, you may seek medical attention.
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This could be something like a muscle strain where you pursue professional, medically informed treatment to aid your recovery, but it might not necessarily mean you miss any games or training.
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The third in the sequence are injuries that lead to time loss, where you can't play your chosen sport.
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And this is usually, but not always, associated with the last step in the sequence where you sought out medical attention.
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An example might be an anterior cruciate ligament or ACL tear
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which needs surgery and a considerable amount of time away from sport for rehabilitation.
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This raises an important point about the importance of defining injury through another lens that of severity.
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The sequence I talked about, which starts with the physical complaint, feeds into seeking medical attention and culminates in time loss.
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That can be used to give an idea of how severe the injury is.
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Severity is determined by several parameters including the type and extent of tissue damage,
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the effect on the athlete's ability to participate in their sport and the duration of recovery.
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Practically speaking, minor injuries typically don't cause significant disability or time loss.
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Moderate injuries might limit athletic performance and require a recovery period, but they don't lead to permanent disability.
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And severe injuries could cause significant disability.
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They might require surgical intervention or lead to substantial or even permanent period away from the sport.
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That rounds out our definition of injury, what tissues they affect, the nature of their onset and their severity,
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both in terms of physical complaints and the need to seek medical attention or take time off to recover.
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We also talked about the importance of context, how the causative factors can be markedly different based on the athlete's physical characteristics and the sport they are participating in,
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or their environment.
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That raises another important aspect of defining and understanding injuries in sport.
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We always need to consider the risk factors for injury.
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In reality, lots of variables exist and can interact to become risk factors for the development of an injury.
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In injury epidemiology research, risk factors are typically classified as being intrinsic or extrinsic.
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Intrinsic factors originate within the body.
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Things like your age, your sex, your body size, your fitness level, or whether you have a previous injury history.
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Intrinsic risk factors are usually further stratified into non -modifiable things that you can't change, like your age, and modifiable like your body mass index.
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For example, younger athletes might be more prone to growth -related injuries like Osgold -Schlatter disease,
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While older athletes might have a higher risk of degenerative injuries like tendinopathy, Here, age is the non -modifiable entrance or risk factor.
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Your fitness level can also contribute to injury risk.
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If you are stronger or more aerobically fit, this tends to lower your injury risk in most sports.
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Here, fitness level is a modifiable intrinsic risk factor
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because an athlete can always undertake a training regimen to get stronger or faster or even fitter.
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Extrinsic risk factors, on the other hand, are external to the athlete.
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These include factors like the type of sport, the equipment being used, the playing surface, or the weather conditions.
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For instance, contact sports like rugby have a higher injury risk than non -contact sports like swimming.
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Equipment can play a role too.
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Improper footwear might increase the risk of foot and ankle injuries, or the plank surface might impact injury risk too.
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For example, some research has shown
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that certain athletes playing on artificial grass surfaces have a higher
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risk of foot injuries compared with those playing on natural grass surfaces.
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Taken together, the mechanisms of injury in sport are diverse and can depend on a combination of both intrinsic and extrinsic factors.
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For example, in football, a player might suffer a sprain or fracture from a tackle, the tackle being an extrinsic risk factor to do with the sport involved.
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However, if the player had a prior history of ankle sprains, which is an intrinsic risk factor, they would be at a higher risk of suffering another sprain.
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In contrast, a tennis player might develop tennis elbow, a type of tendinopathy, from the repetitive action of swinging their racket.
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The mechanism of injury here is overuse, which is an extrinsic factor.
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However, the risk could be increased by poor technique or inappropriate equipment.
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The important piece to note here is that Risk factors can interact.
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A rugby player with a high body mass index, an intrinsic risk factor, playing in wet slippery conditions, an extrinsic risk factor, might be at a greater risk of knee injuries.
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The bottom line here is that defining injury in sport isn't as straightforward as it first seems.
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We can't pin it down to a single definition because it varies greatly depending on who's experiencing it, what sport they're playing, how they're playing it,
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and a whole host of other factors.
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It's important to keep in mind that injury doesn't just mean physical damage.
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It can also have profound psychological effects.
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And it's not just about the present moment either, it's also about what happens afterward.
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What's the recovery like?
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How does it affect the athlete's performance?
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How does it change their approach to the sport?
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These are all questions that need to be answered to truly understand the impact of injury.
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本节课概述
在本节课中，学习者将了解运动伤害的定义、分类及其影响。通过分析不同类型的运动伤害，学习者将获得必要的词汇和短语，帮助他们在日常生活中更好地讨论相关话题。你将学习到如何使用这些知识来提高你的英语口语练习能力，让你的表达更加流畅自如。
重点词汇与短语
- 运动伤害 (sports injuries)
- 急性伤害 (acute injuries)
- 重复性伤害 (repetitive injuries)
- 组织损伤 (tissue damage)
- 心理影响 (psychological aspects)
- 恢复 (recovery)
- 运动医学 (sports medicine)
- 身体功能 (physical function)
练习技巧
要提高你的英语影子跟读技巧，建议在观看此视频时注意以下几点：
- 调节视频播放速度，让你能够跟上说话者的节奏，尤其是对于一些复杂的句子结构。
- 尝试在每个段落结束时暂停视频，模仿说话者的发音和语调，尤其是在描述运动伤害时的情感表达。
- 专注于新的词汇和短语是在你进行shadow speech时的重要步骤，了解这些词汇如何在实际对话中应用。
- 在重复时，确保理解每个术语的意思，例如“急性伤害”和“心理影响”，这样你在对话中使用时会更加自信。
- 借助重听视频的部分来逐渐加强对说话者的语调和节奏的掌握，逐步提高你的发音和流利度。
此外，试着将这些词汇和短语融入到你日常交流中，利用看YouTube学英语的优势来强化你的语言能力。
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | are defined · is defined · may be damaged |
| 定语从句 who / which + 从句 — 补充说明人或事物 | pressure, which can · sprains, which is · overuse, which is |
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。