쉐도잉 연습: The Pelvic Floor Muscles, Explained | Corporis - 영상으로 영어 말하기 배우기

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this video was sponsored by kenhub more on them at the end of the video hello and welcome my name is patrick and in this video i'll teach you some of my tips and tricks for remembering all of the skeletal muscles of the pelvis that you would see in an anatomy class and to make this lesson

more manageable for beginners i'll present the list in smaller chunks of 4 to 8 muscles you can find a list of the sections and time stamps in the description below with that out of the way let's get into the muscles so this is going to be the shortest video in the muscle

series and while there are only a few muscles to learn i made this one its own unit because i imagine the pelvic muscles slightly differently than the muscles of the arms and legs for instance like instead of a clear elbow flexion or spinal extension muscle you have muscles that support the

pelvic floor or that promote blood flow during sexual arousal and that's really cool to me the pelvis has skeletal muscles that interact with the urinary digestive and reproductive systems which makes these muscles seem like magical and mysterious but at the end of the

day there's still muscles and like most of the muscles we've seen before the name of the muscle usually tells us what the muscle does or where it is but since the pelvis is a big bone anatomists

refer to certain parts of the pelvis by their bony landmarks so let's review while the whole thing is called the pelvis we refer to these big wings as the ilium or ilia if you're putting your hands on

your hips you're not actually putting them on your hip joint you're putting them on your ilia in the front you have two pubic bones which are joined by a piece of soft tissue called the pubic symphysis

posteriorly you have these hollowed-out bumps called the ischium colloquially i've heard these called the sits bones as well then this big centerpiece is the sacrum the base of your spinal

column and hanging off the tip is one of the remnants of our evolution the ancestral tailbone called the coccyx once you know those bony landmarks you can start putting terms together

so this joint is the sacroiliac joint since it's the meeting place between the sacrum and the ilium and that same strategy works for many of these muscles this first chunk of muscles

is collectively called the levator annie group which counter-intuitively doesn't lift the anus necessarily it keeps your organs from falling out of your pelvis yes you have some connective tissue there but these muscles are the floor of the pelvis hence pelvic floor muscles the center

piece is the pubococcygeus which connects the pubic bones in front with the coccyx in the back it forms like a hammock-esque muscle with some important cutouts for an anus and genitals here

and here this little divot posteriorly isn't a cut out it's arched so that it can connect with more surface area on the bone hanging out within that muscle is the pubo rectalis which originates

on the pubic bones and forms this structure called the puborectal sling around the rectum if you've heard about the squatty potty and how squatting makes it easier to poop the pipo rectalis is the muscle that supposedly puts a kink in the colon that's a whole other

video though the last muscle in the levator annie group needs a bit of introduction now i've spent the last hour of video telling you about how intuitive these names are how if you just know

the bony anatomy or directional terms and you're set but here with less than 10 muscles to go the iliococcygeus is the crack in the sidewalk that's tripping us up over the finish line

it starts off intuitive it's easy to see where it inserts on the coccyx but its origin is this broad sheet of connective tissue called the internal obturator fascia not the ilium it's fine anatomy

i'm not mad i'm just disappointed if we move on we'll see another important pelvic floor muscle the ischiococcygeus a long sheet of muscle that spans from each ischium to the coccyx in the

center although fair warning some textbooks just call this muscle the coccygeus which

i'm rapidly losing faith in traditional naming conventions for this group of muscles just do your best something else to keep in mind you'll almost always get quizzed on these muscles from a superior or top down view and from this angle you'll see some of the other hip muscles like the

piriformis posteriorly and the obturator internus anteriorly so if possible identify what those muscles attach to because if they attach to the femur then they're not pelvic floor muscles and

they won't have pubo or coccygeus in their names but this next group the perineal muscles requires the opposite perspective an inferior view also how do i put this if you're watching this in public at

a coffee shop or something just be aware of who's looking over your shoulder because the images i'm about to show you are going to get a little spicy from this inferior view we can see some of the structure of the perineum the area between the genitals and anus and a few of the muscles in this

area use the perennial region in their names for instance take a look at the superficial transverse perineui you already know superficial it's closer to the surface and you already know transverse

it runs side to side instead of front to back the perineal points to its location between the urethra anteriorly and anus posteriorly deep to that is the deep transverse perineui with the

same naming conventions also in the perennial area you can find muscles that plug into the genitals but have different presentations depending on what kind of plumbing we're working with the first the ischiocavernosus originates at the ischium and connects with the genitals if it's attached

to a penis it inserts on the crust or crura of the penis the part that attaches to the ischial rami while the rest of the shaft mostly the corpus cavernosum dangles off for people with vaginas

the ischiocavernosus actually inserts on the clitoris and remember the clitoris is much bigger than the small piece that you see on external diagrams as far as how to remember this muscle

the ischio root is easy enough to remember but the cavernosus relates more to its function i'll explain during sexual arousal blood flows into the penis or clitoris enlarging either

when the ischiocavernosus contracts it squishes blood towards the distal part of the genitals and compresses some of the veins that drain blood from the genitals which helps maintain an erection

or the swelling of the clitoris and that's a fun fact that you can bring up if you're ever like in that situation but we still need to remember it for our exam i remember ischio cavernosus because it connects the ischium to caverns of blood hence ischiocavernosus another muscle in that same area

is the bulbospongiosis which no is not a pokemon when it accompanies a vagina the pair of muscles runs from the pubic bone in front along the sides of the vagina around penises it circles the bulb

of the penis which is close to the base i remember this one because it plugs into the spongy tissue that gets erect during sex bordering the perineum you have two different tubes regardless of the sex of your model and anus and a urethra obviously we don't want anything leaking out of those tubes

involuntarily so we have some muscles that squeeze those tubes shut these ring-like muscles are called sphincters and we have a few the internal sphincters are actually smooth muscle under

involuntary control but the external sphincters one around the anus and one around the urethra are skeletal muscles and are controlled voluntarily so when you're trying to hold in your poop you're

actively contracting the external anal sphincter most of the time your smooth muscle internal sphincter does the trick on its own though so why do we have two well smooth muscle is much richer

in mitochondria so it can contract for long bouts of time without fatiguing we only use the external sphincter when we're really trying to hold back the floodgates that's gross what makes this muscle

weird though is how it doesn't anchor into any bone it kind of blends in with the other pelvic and perennial muscles but as far as the scope of this video just look for the bullseye it's easy

to find on the other hand the external urethral sphincter will surround the urethra for people with penises the external urethral sphincter is right below the prostate at the base of the penis for people with vaginas they have shorter urethras so there will be an internal urethral sphincter

right below the bladder and then right below that is going to be the external but no matter what kind of genitals you have the internal sphincter is right below the bladder almost like you're pinching a water balloon so now we've built a solid foundation for the pelvic organs to sit in

but there are still some genital specific muscles to consider if you have testicles you have a cremaster muscle a thin layer of muscle that lines the scrotum and tucks the testicles into the body

if it's too cold this thing contracts and brings them towards body heat i remember this one because it's main job is to turn up the heat on the testicles it's kind of like the cremaster is trying to cremate the testes that's my memory device but i'm sure someone's already typing their

little jokey jokes into the comments section now these are just the tricks that i personally use to remember these muscles but if you want another great resource for learning anatomy then you need to check out kenhub i use them all the time when researching and writing these videos and for this

series in particular their written articles and atlas of muscles have been extremely helpful in refreshing my knowledge of some of those deeper smaller muscles they've also got an enormous library of in-depth videos about muscles histology vasculature nerves and everything else you'd need

to know in anatomy class all those beautiful illustrations that you saw in this video came from them and in addition to their library of content i also love kenhub's quiz feature they allow you to build custom quizzes with different difficulties and they give you feedback

so you can figure out where your weaknesses are you can use most of kenhub's features for free but if you want full access to all of their learning content and quizzes then go to k-hub dot me slash corporis to get 10 off your subscription they've also got a no questions asked seven day money back

guarantee so you can try out the premium version for seven days and if you don't like it get your money back if you want to see the next video in the muscle memorization series then check out this playlist here otherwise subscribe leave a like on the video have fun be good thanks for watching

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이 레슨의 어휘와 말하기 포인트

이 영상에는 섀도잉할 문장 47개와 단어 1915개가 있습니다. 말하는 구간의 길이는 9:36입니다. 화자는 분당 약 200단어로 빠르게 말하므로 연음과 약하게 발음되는 소리가 많습니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 75%뿐이라 어휘가 어려운 편입니다.

이 영상의 핵심 어휘

영상에 나오는 덜 흔한 단어 15개를 발음, 뜻과 함께 정리했습니다.

muscle /ˈmʌs.əl/ (명사) — 근육. A contractile form of tissue which animals use to effect movement.
bone /boʊn/ (명사) — 뼈. A composite material consisting largely of calcium phosphate and collagen and making up the skeleton of most vertebrates.
penis /ˈpi.nɪs/ (명사) — 음경, 자지. The male erectile reproductive organ used for sexual intercourse that in the human male and other placental mammals is also used for urination; the tubular…
anatomy /əˈnætəmi/ (명사) — 해부학, 해부. The science that deals with the form and structure of organic bodies; anatomical structure or organization.
connect /kəˈnɛkt/ (동사) — 잇다, 연결하다. To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object.
tissue /ˈtɪʃ.(j)u/ (명사) — 조직. Thin, woven, gauzelike fabric.
vagina /vəˈdʒaɪ.nə/ (명사) — 보지, 질. A sex organ for copulation and birth, found in female therian mammals, consisting of a passage between the vulval vestibule and the cervix of the uterus.
tube /tuːb/ (명사) — 튜브. Anything that is hollow and cylindrical in shape.
insert /ɪnˈsɝt/ (동사) — 삽입하다, 넣다. To put in between or into.
quiz /kwɪz/ (명사) — 퀴즈. A competition in the answering of questions.
attach /əˈtæt͡ʃ/ (동사) — 첨부하다, 붙이다. To fasten, to join to (literally and figuratively).
refer /ɹɪˈfɜː/ (동사) — 언급하다. To direct the attention of (someone toward something).
sheet /ʃit/ (명사) — 장, 시트. A thin bed cloth used as a covering for a mattress or as a layer over the sleeper.
organ /ˈɔːɡən/ (명사) — 기관. The larger part of an organism, composed of tissues that perform similar functions.
landmark /ˈlændmɑːk/ (명사) — 경계표. A recognizable natural or man-made feature used for navigation.

영상에 나오는 구동사

bring up (동사) — 꺼내다. To mention.
look for (동사) — 찾다, 구하다. To seek.
look over (동사) — 훑어보다. To check quickly; to make a brief or cursory visual inspection of.

주의할 발음

화자는 you're, I'm, I'll 같은 축약형과 약화된 형태를 37번 사용합니다. 들리는 대로 짧게 발음하세요.

“th” 소리: smooth /smuːð/, thin /ˈθɪn/, urethra /jʊˈɹiθɹə/, urethral /jʊˈɹiθɹəl/
“sh”와 “zh” 소리: tissue /ˈtɪʃ.(j)u/, sheet /ʃit/, superficial /ˌsupɚˈfɪʃəl/, extension /ɪkˈstɛnʃən/, evolution /ˌiːvəˈluːʃ(ə)n/
긴 단어 — 강세 위치에 주의: anatomy /əˈnætəmi/, inferior /ɪnˈfɪɹ.i.ɚ/, intuitive /ɪnˈtjuːɪtɪv/, superficial /ˌsupɚˈfɪʃəl/, necessarily /ˌnɛs.əˈsɛɹ.ə.li/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
자신의 목소리를 녹음해 원본과 비교하고, muscle, bone, penis 같은 단어에 특히 주의합니다.

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	we've seen · i've heard · you've heard
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	was sponsored · is called · are joined
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보	systems which makes · bones which are · penis which is

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

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쉐도잉 연습: The Pelvic Floor Muscles, Explained | Corporis - 영상으로 영어 말하기 배우기

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