Shadowing Practice: How to Avoid Common Mistakes During Insertion in Colonoscopy (Using the Olympus CM-15 Colon Phantom) - Learn English Speaking with Video
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39 sentences
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Forbidden movements Let's move on to forbidden movements.
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One common problem in colonoscopy is the air issue.
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The air button is easily available,
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So it's quite easy to get into it and just hold the fingertip on it.
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And you want to have a good view of the lumen, so you just blow air so you can continue.
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And you want to have an almost clear view of the colon.
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But by doing this, you get into trouble.
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So you have a very nice view so that you can continue.
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But look at the sigmoid colon.
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Even if I try hard, I cannot pull it down.
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It's impossible because of the air and this confined cage which is the abdomen.
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So the only way to continue is to decrease the air
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if you get into this situation so that you can really reduce this.
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So please take care of the air button.
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Typical mistake seen with right and left movements using the shaft of the endoscope.
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Okay, this right and left shaft movement that people think that work,
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as you can see, does not do anything inside the colon.
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So this is movement that should be forbidden.
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Twisting your wrist at the control body is crucial for a rotational effect at the tip of the endoscope.
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Improper way to control angulation.
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Okay, another forbidden movement.
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Don't use your right hand to do the right and left angling.
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To manipulate the endoscope, you want to use up and down angulation with the joint of your thumb.
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Up, down, and with the tip of your thumb,
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left, right, and now you can combine these movements, like this.
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Improper way of reducing a loop.
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A common problem in colonoscopy is to get a loop outside the colon at the shaft of the instrument.
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The common recommendation is that you send that loop to the umbilicus.
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But by doing that, sending it, you shorten the umbilicus and you reduce the mobility of the instrument.
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So movements at this level become more difficult.
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So you reduce your movements.
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The correct way to reduce it is by rotating the shaft of the instrument like this.
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Slowly and...
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And lastly, don't push the colonoscope too much.
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You see...
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the inside of the lumen is not moving, but you still try to push.
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What is happening is you're making a huge loop inside the abdomen,
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and this is very painful for the patient.
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When you see this movement in the colon, you should not push further.
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Vocabulary and speaking notes for this lesson
This C1 speaking lesson is built on the video “How to Avoid Common Mistakes During Insertion in Colonoscopy”. The speaker keeps coming back to these words: movement, colon, shaft, forbidden, loop. This video has 39 sentences and 418 words to shadow. The speech runs for 4:28. The speaker talks slowly, about 94 words per minute, so there is time to copy every sound. 83% of the words are among the 3,000 most common in English; the rest is worth studying before you start.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| colon noun | /ˈkoʊ.lən/ | The punctuation mark ⟨:⟩. |
| forbid verb | /fɚˈbɪd/ | To disallow; to proscribe. |
| shaft noun | /ˈʃɑːft/ | The long, narrow, central body of a spear, arrow, or javelin. |
| endoscope noun | An instrument used to examine a bodily orifice or canal, or a hollow organ. | |
| angulation noun | The formation of angles. | |
| colonoscopy noun | /kɑ.ləˈnɑ.skə.pi/ | The examination of the colon using a colonoscope. |
| lumen noun | /ˈlumən/ | In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one… |
| umbilicus noun | /ˌʌmˈbɪlɪkəs/ | A navel. |
| abdomen noun | /ˈæb.də.mən/ | The belly, or that part of the body between the thorax and the pelvis, not including the back; or in some lower vertebrates, the portion between the cardiac… |
| improper adjective | /ɪmˈpɹɑ.pɚ/ | Unsuitable to needs or circumstances; inappropriate; inapt. |
| thumb noun | /ˈθʌm/ | The shortest and thickest digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers. |
| colonoscope noun | A flexible fibreoptic endoscope used to examine the colon and obtain tissue samples. | |
| confine verb | /ˈkɑnfaɪn/ | To restrict (someone or something) to a particular scope or area; to keep in or within certain bounds. |
| fingertip noun | /ˈfɪŋɡɚˌtɪp/ | The tip of the human finger. |
| rotational adjective | /ɹoʊˈteɪʃənəl/ | Of, pertaining to or caused by rotation. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| use up verb | To consume, deplete, expend, or exhaust. |
Pronunciation to watch
The speaker uses 3 contractions and reduced forms, such as don't, you're. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: shaft /ˈʃɑːft/, rotational /ɹoʊˈteɪʃənəl/, shorten /ˈʃɔɹtn̩/, recommendation /ˌɹɛkəmɛnˈdeɪʃən/
- Long words — get the stress right: colonoscopy /kɑ.ləˈnɑ.skə.pi/, umbilicus /ˌʌmˈbɪlɪkəs/, rotational /ɹoʊˈteɪʃənəl/, manipulate /məˈnɪp.jʊ.leɪt/, mobility /mə(ʊ)ˈbɪlɪti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like colon, forbid, shaft.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.