Shadowing Practice: How Do Our Bodies Move? - Learn English Speaking with Video

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Hey there!
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I'm sure you know, like Squeaks here does, that exercise is a really important part of keeping your body healthy and strong.
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And whether you're running a race, playing football, or just doing a whole bunch of jumping jacks, exercise means moving.
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And one SciShow Kids viewer named Autumn wants to know, how does my body move?
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Really awesome question, Autumn!
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Your body is made up of lots of different parts that all have very special jobs.
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To help keep things organized, scientists sometimes group the parts of our bodies into what we call body systems.
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And all of the parts in a certain body system work together to accomplish a goal.
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When it comes to making you move, it takes three body systems working together to get the job done.
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They're called the muscular system, the skeletal system, and the nervous system.
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Ready to check them out?
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Let's start with the muscular system.
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Your muscular system is made of, well, muscles.
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Muscle is the stuff — what scientists call tissue — that allows you to move around.
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Muscles don't just help you to swing a bat or jump to catch a ball.
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Some muscles help you chew, wiggle your nose, stick out your tongue, or even blink.
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And some muscles, like the ones in your back and legs, just help to hold your body upright So you can walk, run, or simply sit.
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Muscle tissue is pretty flexible, kind of like thick rubber or elastic.
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And also like rubber, it can stretch and change shape.
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Let's see how.
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When you bend your arm at the elbow, a muscle called your bicep contracts or squeezes together.
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When it contracts, its shape gets shorter and thicker.
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When you straighten your arm, your bicep relaxes.
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When a muscle relaxes, its shape gets longer and thinner.
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But muscles contracting and relaxing aren't enough to make us move.
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They need to be attached to another part of our body to get the job done.
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And that's where the next system, the skeletal system, comes in.
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The main part of your skeletal system, the skeleton, is made of all your hard, sturdy bones.
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Although we sometimes think of skeletons as dead things, especially around Halloween, that's actually not true.
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Your bones are very much alive, and they have many jobs.
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One of the most important jobs is to support or hold up the rest of your body, and this includes your muscles.
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Strong cords, called tendons, attach your muscles to your bones.
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When a muscle contracts or relaxes, it pulls the bone into a different position, which makes it move.
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But how do your muscles know they're supposed to move at all?
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Well, they know because they're under control of your nervous system.
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The most important part of your nervous system is your brain.
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Your brain is kind of like your body's command center.
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When you decide to move, your brain sends signals to your muscles, giving them specific instructions on what to do.
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Say you're trying to pick up a snack.
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Your brain sends signals to the muscles in your hand and wrist, telling some of them to contract.
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As the muscles contract, they pull the bones in your fingers, so that you can grab the apple.
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Then your brain sends more signals to your arm muscles, telling them to move the bones in your arm, so that you can bring the apple right to your mouth.
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Snack accomplished!
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So it takes the actions of three body systems to help us move — the muscular, skeletal, and nervous systems.
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Autumn, thanks for watching SciShow Kids and asking such a great question!
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And if anyone else has a question for any of us here at the fort, let us know by leaving a comment or emailing us at kids at thescishow .com.
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Thanks guys, see ya later!
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Vocabulario y notas de pronunciación para esta lección

Este vídeo tiene 47 frases y 641 palabras para practicar shadowing. La parte hablada dura 3:11. El hablante habla rápido, unas 202 palabras por minuto, así que espera sonidos enlazados y reducidos. El 82 % de las palabras está entre las 3.000 más comunes del inglés; conviene repasar el resto antes de empezar.

Vocabulario clave de este vídeo

15 palabras menos comunes del vídeo, con su pronunciación y significado:

  • muscle /ˈmʌs.əl/ (sustantivo) — músculo. A contractile form of tissue which animals use to effect movement.
  • bone /boʊn/ (sustantivo) — hueso. A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
  • relax /ɹɪˈlæks/ (verbo) — relajar, aflojar. To make something loose.
  • muscular /ˈmʌs.kjʊl.ə/ (adjetivo) — musculoso. Of, relating to, or connected with muscles.
  • thick /θɪk/ (adjetivo) — grueso, espeso. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
  • tissue /ˈtɪʃ.(j)u/ (sustantivo) — tejido. Thin, woven, gauzelike fabric.
  • rubber /ˈɹʌbɚ/ (sustantivo) — caucho, goma. Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
  • scientist /ˈsaɪəntəst/ (sustantivo) — científico, científica. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
  • snack /snæk/ (sustantivo) — tentempié, refrigerio. A light meal.
  • skeleton /ˈskɛlətən/ (sustantivo) — esqueleto, osamenta. The system that provides support to an organism, where in vertebrates it is internal and consists of bones and cartilage, and external in some other animals.
  • attach /əˈtæt͡ʃ/ (verbo) — adjuntar, atachar. To fasten, to join to (literally and figuratively).
  • finger /ˈfɪŋɡɚ/ (sustantivo) — dedo, alambres. A slender jointed extremity of the human hand, (often) exclusive of the thumb, and the corresponding part, irrespective of including a thumb, in many other…
  • fort /fɔɹt/ (sustantivo) — fuerte, fortín. A fortified defensive structure stationed with troops.
  • stretch /stɹɛt͡ʃ/ (verbo) — estirar. To lengthen by pulling.
  • swing /ˈswɪŋ/ (verbo) — balancear, mecerse. To rotate about an off-centre fixed point.

Phrasal verbs que vas a escuchar

  • hold up (verbo) — aguaitar, esperar. To wait or delay.
  • move around (verbo) — movilizarse. To relocate to new homes repeatedly; to not live in any one place for long.
  • pick up (verbo) — coger, asir. To lift; to grasp and raise.
  • stick out (verbo) — sobresalir, ventanear. To protrude.

Pronunciación a tener en cuenta

El hablante usa 8 contracciones y formas reducidas, como they're, you're, aren't. Dilas en su forma corta, tal como las oyes.

  • Los sonidos de “th”: thick /θɪk/, thin /ˈθɪn/
  • Los sonidos de “sh” y “zh”: tissue /ˈtɪʃ.(j)u/, accomplish /əˈkɑm.plɪʃ/, instruction /ɪnˈstɹʌkʃən/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
  3. Grábate y compara con el original, prestando atención a palabras como muscle, bone, relax.

Gramática en este vídeo

Las estructuras que más usa el hablante, con las palabras exactas del vídeo:

EstructuraEn el vídeo
Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo haceis made · be attached
Superlativos the -est / the most … — lo más alto o lo más bajo de un grupothe most important
Present continuous am/is/are + -ing — algo que ocurre ahora o en estos díasyou're running · you're trying

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →