Neurology | Trochlear Nerve: Cranial Nerve IV

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  • เผยแพร่เมื่อ 1 ส.ค. 2017
  • Official Ninja Nerd Website: ninjanerd.org
    Ninja Nerds!
    In this lecture Professor Zach Murphy will be discussing the trochlear nerve (cranial nerve IV). We go into great detail on the origin, course, structures supplied, and the function of this nerve, along with clinical correlations. We hope you enjoy this lecture and be sure to support us below!
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    #ninjanerd #TrochlearNerve #CranialNerves

ความคิดเห็น • 114

  • @dr.evannie665
    @dr.evannie665 6 ปีที่แล้ว +126

    As per normal, I learnt a lot, please continue making videos. If you want to stop, make sure it's after I'm finished with Med school

    • @NinjaNerdOfficial
      @NinjaNerdOfficial  6 ปีที่แล้ว +49

      +Evannie Edwards Thanks so much! And we don’t plan to stop anytime soon, but we are so happy we are able to help you with med school!

    • @karlagarcia4141
      @karlagarcia4141 5 ปีที่แล้ว +3

      jajajajajaajja

    • @Sachin-wb9bg
      @Sachin-wb9bg 3 ปีที่แล้ว +2

      @@NinjaNerdOfficial you r Best sirrrrrrr... Love you from India 😍😍😍

    • @vicentedominic2753
      @vicentedominic2753 3 ปีที่แล้ว

      Pro trick : you can watch movies on Flixzone. I've been using them for watching all kinds of movies recently.

    • @amounika3535
      @amounika3535 3 ปีที่แล้ว

      Wonderful sir!!!🙏🏻❤️in love with ua subjects 🥳

  • @tomweed24
    @tomweed24 2 ปีที่แล้ว +9

    I've never seen somebody's being so fired up about anatomy! I learn a lot from your videos. Thank you and keep us inspired!

  • @sheemakhan1394
    @sheemakhan1394 5 ปีที่แล้ว +13

    What an excellent series of videos. You have a remarkable way of explaining the detail in such a clear and concise way while at the same time not sacrificing on the detail. You make learning such complex topics so easy. Thank you very much.

  • @anadepina7051
    @anadepina7051 5 ปีที่แล้ว +11

    You are helping so many medical students like me!! Thank you!!!

  • @debistutisaha4170
    @debistutisaha4170 6 ปีที่แล้ว +16

    Amazing...like too good...easy to understand, fun to watch. Anatomy could never get more interesting than this. Keep up the great work guys

  • @tlampful
    @tlampful 4 หลายเดือนก่อน +1

    Great teaching! I almost got lost at 07:02; thanks for the clarification!

  • @gul60
    @gul60 3 ปีที่แล้ว +5

    I am binge-watching your neurology videos and your explanation is extremely helpful Zack.Thank you so much to you and your team.

  • @cryptonahualy4
    @cryptonahualy4 4 ปีที่แล้ว +13

    To my best profesor/teacher/tutor 🏆🏅🥇🎖 (Zachary)
    p.s. please, please do a playlist with antibiotics, antivirals, antimicotics, antiprotozoa, etc
    love u guys! ♡ [no homo] saludos desde Chihuahua.

  • @tarapoostchi4410
    @tarapoostchi4410 5 ปีที่แล้ว +3

    You’re amazing! Great and clear explanations and a life savor. Please keep going ✌️🙌🙏👏

  • @stephenlentsa7479
    @stephenlentsa7479 5 ปีที่แล้ว +5

    life made easy!!!! crystal details and super simplified... thank you so much... wish you were my professor

  • @nanditarao941
    @nanditarao941 6 ปีที่แล้ว +2

    Thanks a ton... was super confused about how the intorsion and extorsion worked and now its crystal clear!! learning loads! keep it up :) :)

  • @himanshuambilkar4160
    @himanshuambilkar4160 3 ปีที่แล้ว +3

    Trochlear nerve-
    At the level of inferior oblique.
    Other structure same as CN 3 but this nerve Crosses.
    Longest course in cranial cavity
    Same course as CN 3. And it runs on nasal aspect of orbital cavity
    Attached Superior lateral posterior.
    Function-
    Intorsion of eye ball
    Depress eye ball
    Lateral rotation.
    Lesion-
    Extorsion and upper eyelid.side.
    Visual field- normal by moving head to unaffected side.
    Ica aneurysm
    Pca
    Meningitis
    Trauma.
    Thank you sir

  • @aarideou
    @aarideou 3 ปีที่แล้ว +3

    Teaching is a gift! So many professors know this stuff but suck at explaining it to students. You really break it down!

  • @kellykucin9791
    @kellykucin9791 3 ปีที่แล้ว +1

    holy moly this AWESOME!!! Thank you so much, riveted to the video. I'm an Occupational Therapist in inpatient rehab, see alot of stroke and head injury patients with CN 3, 4, 6 impairments. This lecture really solidified my understanding of neuroanatomy and function. Grateful!!!

  • @onlymemary
    @onlymemary 5 ปีที่แล้ว +2

    Your teaching skills are amazing! Thank you!

  • @jazbakainat1301
    @jazbakainat1301 6 ปีที่แล้ว +6

    This is so simplified i wish u were my professor ❤️❤️❤️❤️❤️❤️❤️

  • @marcosluna7792
    @marcosluna7792 3 ปีที่แล้ว +1

    Thanks for this! Wonderful videos. I'm learning so much

  • @user-cq3im5vs2x
    @user-cq3im5vs2x 2 หลายเดือนก่อน

    Thanks a lot! Amazing presentation of the information. Drawing is the only way how I can remember neurology.

  • @thefarmingnurse
    @thefarmingnurse 2 ปีที่แล้ว +1

    Just found my new subscription as I’m finishing nursing school and all my pre-nursing GEs are so old,

  • @rachmawatiwardani5560
    @rachmawatiwardani5560 3 ปีที่แล้ว +1

    2020 and still repeating this video, it is very useful!!! thank you so much :')

  • @melisaoktay8846
    @melisaoktay8846 ปีที่แล้ว

    Again, a very well structured and good explained video, love it thanks !

  • @jasonmoloney2279
    @jasonmoloney2279 5 ปีที่แล้ว +1

    Nice work mate - really appreciate he effort and learning

  • @PrakritikaRai
    @PrakritikaRai 4 หลายเดือนก่อน

    You are such a blessing to us! It has been so much fun to learn these stuffs all because of you!!! Thank you so so much! 💜

  • @seyoumalemu357
    @seyoumalemu357 5 ปีที่แล้ว +4

    you are Genius and intelligent. thank you for Wonderful teaching Methode and style

  • @saidnassr9963
    @saidnassr9963 3 ปีที่แล้ว

    Who dares to dislike such an artwork... Great job man! Nice and informative video 😊

  • @kavidangalla6163
    @kavidangalla6163 2 ปีที่แล้ว

    Thank you so much for your amazing service 💜

  • @mannsandhu5953
    @mannsandhu5953 6 ปีที่แล้ว +1

    Great job😇
    Thanku so much

  • @mananchawda
    @mananchawda 4 ปีที่แล้ว

    as always , amazing !!!❤❤❤

  • @varundagdiya1910
    @varundagdiya1910 5 ปีที่แล้ว +1

    Wow!
    Thank you so much

  • @rezvanr3078
    @rezvanr3078 4 ปีที่แล้ว

    This was really good 🤩 thank you so much 👌🏻🙏

  • @monisha7967
    @monisha7967 5 ปีที่แล้ว +1

    thank u so much sir👏excellent video👍🙏

  • @BalwinderSingh-zc8nw
    @BalwinderSingh-zc8nw 2 ปีที่แล้ว

    Excellent. I have no words.

  • @AZMaguire
    @AZMaguire 2 ปีที่แล้ว

    Thank You so much. I was just diagnosed with Cranial Nerve IV. This has helped me to understand more about this condition. Hopefully the doctor I see can help.

  • @palmereldritch_6669
    @palmereldritch_6669 2 ปีที่แล้ว

    Seriously, you are far better at explaining things than my professors, and they make an awful lot of money from me

  • @mithunperera5713
    @mithunperera5713 4 ปีที่แล้ว +1

    Complete lecture.thankyou verymuch

  • @iqranehal8775
    @iqranehal8775 6 ปีที่แล้ว +2

    hey there!, thank you very much ,,it was really really helpful;;;:)

  • @chideraejidike
    @chideraejidike 2 ปีที่แล้ว

    again so much help with the cranial nernes thanks a lot

  • @LoversGrief
    @LoversGrief 4 ปีที่แล้ว +3

    I always remember LFT as LEFT, and it does indeed lies to the left of the plane of the left eye. It works for me.

  • @ainembabazigillian6608
    @ainembabazigillian6608 2 ปีที่แล้ว

    Your are whole package,thank you 🤝

  • @saibhanu99
    @saibhanu99 6 ปีที่แล้ว +2

    You are just awesome ☺️

  • @neginmm1416
    @neginmm1416 9 หลายเดือนก่อน

    this was amazing

  • @renukabangar6620
    @renukabangar6620 3 ปีที่แล้ว

    Great video
    Thank you sir

  • @crazymanish465
    @crazymanish465 11 หลายเดือนก่อน

    Thank you so much😊

  • @farh2703
    @farh2703 3 หลายเดือนก่อน

    Really the BEST ❤❤

  • @aymanadel3022
    @aymanadel3022 4 ปีที่แล้ว

    You are a genius as a professor

  • @ghulamnabipathan4347
    @ghulamnabipathan4347 ปีที่แล้ว

    Thanks dear Ninja
    Very nice presentation of cranial nerves.

  • @syedafatimanaz2501
    @syedafatimanaz2501 ปีที่แล้ว

    You're awesome Sir. Prayers from Pakistan

  • @vedatekin97
    @vedatekin97 3 ปีที่แล้ว

    thanks a lot, i love this channal

  • @amounika3535
    @amounika3535 3 ปีที่แล้ว

    Wonderful sir🙏🏻🥳🤩

  • @MrHodophiler
    @MrHodophiler 4 ปีที่แล้ว

    Perfect!

  • @melikaroustaei5063
    @melikaroustaei5063 4 ปีที่แล้ว

    Best as usual 🙏🙏🌹🌹👌👌

  • @amankumarsingh1482
    @amankumarsingh1482 4 ปีที่แล้ว

    Fantastic

  • @TheEngaged22
    @TheEngaged22 4 ปีที่แล้ว +7

    6:57 haha "that's the pituitary not your balls"

  • @mohammadalializadeh6737
    @mohammadalializadeh6737 4 วันที่ผ่านมา

    Thanks❤

  • @salahaldinfarhat5691
    @salahaldinfarhat5691 4 ปีที่แล้ว

    great,just great.

  • @abelmanojabraham1681
    @abelmanojabraham1681 5 ปีที่แล้ว +4

    There is another mnemonic RAD/SIN -- Recti adduct and superiors intort. All the muscle actions can be learnt from this simple mnemonic

  • @vaishnavishastri5115
    @vaishnavishastri5115 4 ปีที่แล้ว

    man y is ur views so less and mainly the way of explaining clinical anatomy n physiology is very nice love ur classes...... ur amazing...

  • @gurusingh3402
    @gurusingh3402 4 ปีที่แล้ว

    Thanks

  • @yusra5833
    @yusra5833 2 หลายเดือนก่อน

    amazing videi

  • @user-cq4tk1kw4s
    @user-cq4tk1kw4s 9 หลายเดือนก่อน

    thank youuuuu

  • @carlmorz
    @carlmorz ปีที่แล้ว

    nice one boss keep it up.

  • @dochala8400
    @dochala8400 3 ปีที่แล้ว

    U r a real legend 😭😭😭

  • @parri8486
    @parri8486 3 ปีที่แล้ว

    Marvellous 😍

  • @turkersoykan5695
    @turkersoykan5695 3 ปีที่แล้ว

    Ninja, sağolasın! 🙏🏽❤️ Ninjanın askerleriyiz, ninja kardeşimizi yedirtmeyiz, ey avrupa duy sesimi

  • @neethap7202
    @neethap7202 4 ปีที่แล้ว

    Lovely video! One small correction: In the optic canal, the ophthalmic artery accompanies the optic nerve.

  • @gyuholee425
    @gyuholee425 4 ปีที่แล้ว

    Nice video~!

  • @dannac_8888
    @dannac_8888 3 ปีที่แล้ว

    I didn't even watch it and I gave it a like because I'll watch him in a big snow storm in bed here in the NE.
    THANK YOU IN ADVANCE
    🌞

  • @Ukraine_mallu
    @Ukraine_mallu 3 ปีที่แล้ว

    This is my 9th video from ur neuroanatomy class...it something wow........
    Superb sir...........
    Sir can u pls do..splanchnology like this neuroanatomy......

  • @karlagarcia4141
    @karlagarcia4141 5 ปีที่แล้ว

    Thanks

  • @rosycherry5354
    @rosycherry5354 3 ปีที่แล้ว

    Thank you o

  • @Mission-Omega.
    @Mission-Omega. 3 ปีที่แล้ว

    How cute! 😊✌ ✋ 👌 Carry on,Sir.♥

  • @ramseyflores6692
    @ramseyflores6692 4 ปีที่แล้ว

    Suffering from 4th cranial palsy.. you're awesome man.. I'll see what happens Tuesday

    • @waqasahmedmakki8622
      @waqasahmedmakki8622 2 ปีที่แล้ว

      Hi ,how are you now finish your 4th nerve palsy?

  • @tomasvalencaferreira4143
    @tomasvalencaferreira4143 3 ปีที่แล้ว

    Thank you for your videos! Just a small correction, internal carotid artery don't go through foramen lacerum, just passes tangencially.
    greetings for Portugal

  • @mh21_ophthalmology36
    @mh21_ophthalmology36 ปีที่แล้ว

    Great ...liked ur videos plz try to cover functional components of the Nerve also...thank you

  • @user-jj1nm4sx6w
    @user-jj1nm4sx6w 6 ปีที่แล้ว +5

    I LOVE YOU 🙆‍♀️

  • @salahaldinfarhat5691
    @salahaldinfarhat5691 4 ปีที่แล้ว +1

    100% efficient.

  • @rodneycackermann800
    @rodneycackermann800 2 ปีที่แล้ว

    We have a situation here where a young man was brutally attacked. His trochlear nerve was damaged. He presents exactly as you describe. We have no medical background and limited access to medical services.
    Thank you, your video helped us understand. What is the likely prognosis for a full recovery and how long could it take?

  • @josetrujillo738
    @josetrujillo738 3 ปีที่แล้ว

    “Pretend here is my eyeball. Here is my beautiful eyelashes.”- Gotta acknowledge the beauty of the eyelashes, lol!

  • @thayerassaf5665
    @thayerassaf5665 6 ปีที่แล้ว +3

    Thank you so much for education on the trochlear nerve, my 5 month old girl was just diagnosed with a trochlear nerve pulse, i don't want to believe it, however i want to see if there any new studies or technology on fixing the actual nerve before we go into eye muscle surgery. Thank you

  • @ishitm1663
    @ishitm1663 5 ปีที่แล้ว +2

    I guess anterior inferior cerebellar artery arises from basilar A. and not vertebral A. that u have mentioned

  • @flybynightgirl
    @flybynightgirl ปีที่แล้ว +1

    That's what my condition is. Intortion! Bingo. But it pulls my lids turning with all those three nerves.

  • @PrajwalSedain
    @PrajwalSedain 4 ปีที่แล้ว +1

    Superior oblique rotates the eye medially, doesn't it?. In that wat trochlear nerve palsy would lead to eye being lateraly rotated.

  • @bhavanatiwari9194
    @bhavanatiwari9194 4 ปีที่แล้ว +4

    WHO like genuinely WHO disliked this masterpiece .

  • @zztissue6479
    @zztissue6479 5 ปีที่แล้ว

    The trochear nuclei lie ventral to the PAG, not lateral to it.

  • @emrankhan6578
    @emrankhan6578 2 ปีที่แล้ว

    Bro do u watch Dr.najeeb lectures, ur lectures are similar to his videos. I watch both of u. Big fan.

  • @barzifryad733
    @barzifryad733 3 ปีที่แล้ว

    ❤️❤️❤️

  • @xXBballBoiXx
    @xXBballBoiXx ปีที่แล้ว

    King.

  • @tobiasalvarothomsen6556
    @tobiasalvarothomsen6556 ปีที่แล้ว

    It gets a bit confusing when you get to the Bielchowsky sign, but besides that, nice as always!

  • @yoyo-zq6yi
    @yoyo-zq6yi 3 หลายเดือนก่อน

    ❤❤

  • @richatripathi9423
    @richatripathi9423 3 ปีที่แล้ว

    💛💛

  • @Euduchaus
    @Euduchaus 4 หลายเดือนก่อน

    Hey doctor, I have trochlear palsy, but if I close my non affected eye I can fully move my affected eye like there is no palsy. What could be the explanation? Thank you!

  • @beshoyamir
    @beshoyamir 2 ปีที่แล้ว

    IV Palsy:
    19:00

  • @diosfccenmio
    @diosfccenmio 5 ปีที่แล้ว

    Easy! ...compared to the trigeminal.

  • @yaseenalbrir2892
    @yaseenalbrir2892 ปีที่แล้ว

    ❤❤❤❤❤❤❤

  • @rameshkrishnan3254
    @rameshkrishnan3254 3 ปีที่แล้ว

    The common reason atleast in India is nerve palsy caused by Diabetes or by Vit B12 deficiency..

  • @normadicn5700
    @normadicn5700 4 ปีที่แล้ว

    Detailed information for those with short attention spam

  • @marinakhair6881
    @marinakhair6881 5 ปีที่แล้ว +1

    trochlear nerve palsy should cause the eyeball to be superior, extorted and in the medial NOT lateral aspect...

    • @goncalocosta5814
      @goncalocosta5814 5 ปีที่แล้ว +3

      nah, he was wrong, it rotates the eyeball medially, so the palsy is actually correct. The mistake was before.

  • @olisherr7805
    @olisherr7805 2 ปีที่แล้ว

    Looks like sphenoid sinus...

  • @eurobeatsexplorer
    @eurobeatsexplorer 2 ปีที่แล้ว

    🤪🤪Bielschowsky Phänomenn

  • @user-bu9mk5hd1y
    @user-bu9mk5hd1y 7 หลายเดือนก่อน

    💯🥷💯🥷💯🥷