Pratica di Shadowing: Sitting All Day Is Killing You — Here’s What to Do About It | Manoush Zomorodi | TED - Impara a parlare inglese con YouTube

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Do you ever close your laptop at the end of a long day and feel like you have just enough energy to crawl over to the couch to scroll on your phone or watch a show?
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Do you ever close your laptop at the end of a long day and feel like you have just enough energy to crawl over to the couch to scroll on your phone or watch a show?
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Or maybe both at the same time?
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Yeah. During the pandemic, that was all I wanted to do and I couldn't understand why.
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I was safe, I was healthy, why didn't I want to close my laptop and go dance around the living room?
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Where did all my energy go?
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I'm a journalist.
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My specialty for the last 10 years has been trying to understand how our tech habits change us as people, and so I decided I was going to find out why sitting in front of a screen makes us feel so exhausted.
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Because we have all heard about the mental effects, right?
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But what about our physical health?
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Well, as I quickly learned, looking at screens has not only reshaped our days, it is reshaping our bodies.
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According to researchers at Johns Hopkins, every day, the average 19-year-old moves about as much as the average 60-year-old.
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Over the last 20 years, rates of type 2 diabetes in young people have doubled.
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Three in four American adults has a chronic illness.
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Many of those are preventable.
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At least one chronic illness.
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And the WHO says that this is a global problem.
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They predict that by the end of the decade, which is not that far away, this lifestyle will likely lead to 500 million new cases of preventable conditions like heart disease, obesity and diabetes, costing governments 27 billion dollars a year.
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Typing, swiping, scrolling, sitting.
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This is the rhythm of our modern life.
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But I don't know about you, I can't throw away my phone, right?
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Like, I can't go off the grid.
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So how can we stay connected without slowly destroying our health?
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That was the question running through my mind when I came across this guy.
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Keith Diaz is a physiologist at Columbia University Medical Center, and he has spent his entire career trying to figure out how little can we get away with moving so that sitting doesn't kill us, basically.
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And in 2022, he published a small study that gives us a great idea.
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He found that just five minutes of gentle movement every 30 minutes had dramatic effects.
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It slashed blood sugar and blood pressure.
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In another study, he found that inactive people who traded 30 minutes of sitting for 30 minutes of movement every day could lower their risk of a premature death by 18 percent.
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And so maybe you're like, "Yeah, I worked out this morning, so I'm good." Or maybe you're like, "Phew, I'm so glad I got that standing desk." I am so sorry, but no.
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(Laughter) If you sit or stand for the majority of your waking hours, your health is in jeopardy too.
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"Don't stop working out," Keith told me, but he said, what you have to do is break up these long stretches of sedentary screen time.
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When he told me this, I was like, really?
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Like, how big a difference can these movement breaks make for someone who is, you know, relatively healthy?
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I decided I would join the study.
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So one day I went to his lab and I sat and worked on my laptop for eight hours straight.
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The next day I took those movement breaks every half hour or so.
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They checked all my vital signs and the results were actually quite extraordinary.
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My glucose was cut nearly in half.
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My blood pressure was down by five points, and my mood was so much better.
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The science was clear, but like, what did it matter if no one could actually do these movement breaks?
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Like it was easy in the lab.
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Somebody tapped me on the shoulder and led me over to the treadmill.
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So we decided to ask people, out in the world, out in real life, to see if they could do it.
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We, our teams at NPR and Columbia, combined forces to create a podcast and a global clinical trial called the Body Electric study.
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And over 20,000 people signed up.
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We had to cap it at 20,000 people, and they could choose a movement dose, so they could move five minutes every half hour, five minutes every hour, or every two hours.
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They could dance around the house, they could pace on calls, they could walk the dog, they could take out the trash, it didn't matter.
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They just had to break it up, break up those long periods of sitting.
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And you guys, I was so excited.
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I was like, we are going to launch a movement for movement.
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Yeah, I've got a way with words.
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(Laughter) But I am not going to lie, those first few days were so tough.
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It takes a lot of intention and a little rebellion to upend a world that is quite literally built around screens and chairs.
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But when people figured it out, when they started getting those breaks into their lives, they started having breakthroughs.
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They told us that they felt less pain.
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They told us that they had more energy.
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They said that they felt more positive about life in general.
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In the end, of the people who started taking movement breaks, 80 percent managed to stick with them for two solid weeks.
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And yes, this was a self-reported study with a lot of very motivated participants.
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Hello public radio.
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But still, the data showed that the more often they took breaks, the better they felt.
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People who went outside got an extra boost.
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Some people lost a few of those stubborn pounds, and most people actually liked taking the breaks.
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But the biggest surprise to me was that the breaks did not hurt their productivity.
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People said they got back to their desks and they were able to focus, and they felt that the work they did was actually of better quality.
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So this research is going through the scientific process right now.
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But Keith explained to me some of the reasons why these gentle breaks can have such an outsized impact.
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So when we sit, our arteries get bent at our hips and our knees, kind of like a kinked vacuum hose.
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Blood starts pooling in our legs and our muscles stop contracting.
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But leg muscles need to move, be stimulated, in order to clear out fat and sugar and reduce blood pressure.
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If they don't, over months and over years, that's when those chronic conditions can start to creep in.
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And then there is our posture.
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Sitting compresses the diaphragm.
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We start taking shallow breaths.
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Shallow breaths lead to less oxygen going into our blood and up to our brain.
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Less oxygen in our brain means we get tired and lose focus.
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Feel free to take a deep breath right now if you want to.
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And that is where screens come into the picture.
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So screens can mess with something called interoception.
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Interoception is the body's way of telling you what it needs.
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It needs a snack, it needs to go to the bathroom, it needs to move.
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The more we focus on screens, the less we listen to the signals that our body is sending us.
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Your body could be begging for a break, but what do you do?
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You keep scrolling past the anxiety, scrolling past the exhaustion.
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That eventually can lead to burnout, yes.
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And again, those chronic conditions.
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So how can you start making a change in feeling better?
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Well, first, think about your most sedentary stretches of time and then make yourself a mantra.
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So like if you are a student, you could say, "I'll take an extra lap around the quad before class instead of checking TikTok, so I get to class with more oxygen in my brain and I can actually focus." Or if you work from home, you could decide that on long Zoom calls, "I will march in place in order to manage my glucose and avoid the post-meeting crash." If you're a parent, you could say "I will take a lap around the soccer field once so that I have enough energy to get through the dinnertime chaos." You can have a dance party while you microwave your leftovers.
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You can walk the concourse instead of sitting and waiting for your flight.
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A mix of all these habits will keep your muscles firing and your mood steadier.
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My favorite story came from a 43-year-old woman named Dana, who works in HR.
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So Dana was a type-2 diabetic with all kinds of health issues.
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Her doctor told her she needed to take a long, brisk walk every morning, and she was doing this, but her numbers just were not changing.
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So with her doctor's permission, she decided to join the study.
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She started fitting in movement breaks between all of her meetings, and within a couple of weeks, she told me her blood pressure dropped by 40 points, her cholesterol went down and her doctor told her she could start tapering her insulin.
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She's actually off all of her meds today.
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Yay, Dana, we love you, Dana.
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(Applause) So we know that too much time online is not great for our mental health.
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But it's not just in our heads, it's in our bodies.
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We need movement to be as much a part of our lives as screens are.
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We need our schools, our neighborhoods, our workplaces to give us time and space just to move.
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You can help push this reset forward.
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Take movement breaks.
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And when people look at you like you're weird, just tell them why you're doing it.
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Because you just want to feel a little better.
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Get them to put down their phone and join you.
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Start soon, start small.
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Should we start now?
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Yeah, can we have some music?
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You could do -- you could do the march.
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You could do the shuffle.
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Little hands in the air, if you can't get up.
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Feel it. You're alive.
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You're alive.
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Love you guys.
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(Cheers and applause)

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Informazioni su questa lezione

In questa lezione, i discenti praticheranno l’ascolto attivo e la ripetizione di frasi in inglese, ispirandosi al discorso di Manoush Zomorodi. Sarà un'opportunità per esplorare il tema della sedentarietà e i suoi effetti sulla salute, comunicando in modo chiaro e preciso. Attraverso esercizi di shadowing in inglese, i partecipanti impareranno a migliorare la loro pronuncia e fluency, mentre approfondiscono vocabolario rilevante legato al tema della salute.

Vocabolario e frasi chiave

  • sedentary lifestyle - stile di vita sedentario
  • blood pressure - pressione sanguigna
  • chronic illness - malattia cronica
  • movement breaks - pause attive
  • glucose - glucosio
  • physical health - salute fisica
  • preventable conditions - condizioni prevenibili
  • screen time - tempo davanti allo schermo

Consigli per la pratica

Quando pratichi il shadowing con questo video, porta attenzione alla velocità e al tono dell’oratrice. Inizia ascoltando un breve segmento, quindi prova a ripetere immediatamente ciò che hai sentito, cercando di emulare sia le parole che l'intonazione. Approfitta delle pause attive raccomandate nel discorso per combinare movimento e parole: fai stretching o cammina lentamente mentre ripeti frasi. Questo non solo aiuta a migliorare la pronuncia inglese, ma rende il processo di apprendimento più dinamico e coinvolgente. Non dimenticare di registrarti mentre parli; poter riascoltare le tue registrazioni ti aiuterà a riconoscere i progressi nella tua fluidità e nella tua pronuncia. Ricorda di esplorare ulteriormente il concetto di shadowspeaks, dove puoi condividere e confrontare le tue pratiche con altri. Infine, per sfruttare al meglio questa tecnica, prova a dedicare dieci minuti al giorno al shadowing site per mantenere alta la tua motivazione e migliorare costantemente.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

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