Neurology | Trochlear Nerve: Cranial Nerve IV
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- Опубликовано: 10 фев 2025
- 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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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
+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!
jajajajajaajja
@@NinjaNerdOfficial you r Best sirrrrrrr... Love you from India 😍😍😍
Pro trick : you can watch movies on Flixzone. I've been using them for watching all kinds of movies recently.
Wonderful sir!!!🙏🏻❤️in love with ua subjects 🥳
Great teaching! I almost got lost at 07:02; thanks for the clarification!
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!
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.
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
You are helping so many medical students like me!! Thank you!!!
Amazing...like too good...easy to understand, fun to watch. Anatomy could never get more interesting than this. Keep up the great work guys
How can i actually like this a million times😩.. you're a blessing in disguise really..i have no enough words to thank you!😭♥️♥️♥️
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! 💜
Teaching is a gift! So many professors know this stuff but suck at explaining it to students. You really break it down!
Just found my new subscription as I’m finishing nursing school and all my pre-nursing GEs are so old,
I am binge-watching your neurology videos and your explanation is extremely helpful Zack.Thank you so much to you and your team.
life made easy!!!! crystal details and super simplified... thank you so much... wish you were my professor
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.
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!!!
you are Genius and intelligent. thank you for Wonderful teaching Methode and style
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.
This is so simplified i wish u were my professor ❤️❤️❤️❤️❤️❤️❤️
Thanks a ton... was super confused about how the intorsion and extorsion worked and now its crystal clear!! learning loads! keep it up :) :)
2020 and still repeating this video, it is very useful!!! thank you so much :')
Your teaching skills are amazing! Thank you!
Thanks for this! Wonderful videos. I'm learning so much
You’re amazing! Great and clear explanations and a life savor. Please keep going ✌️🙌🙏👏
Thanks a lot! Amazing presentation of the information. Drawing is the only way how I can remember neurology.
Seriously, you are far better at explaining things than my professors, and they make an awful lot of money from me
Who dares to dislike such an artwork... Great job man! Nice and informative video 😊
Thank you again and again and all over again. You're the best person on earth❤️😁
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.
You're awesome Sir. Prayers from Pakistan
again so much help with the cranial nernes thanks a lot
Your are whole package,thank you 🤝
This is my 9th video from ur neuroanatomy class...it something wow........
Superb sir...........
Sir can u pls do..splanchnology like this neuroanatomy......
Thanks dear Ninja
Very nice presentation of cranial nerves.
Excellent. I have no words.
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...
Complete lecture.thankyou verymuch
Again, a very well structured and good explained video, love it thanks !
IV Palsy:
19:00
Nice work mate - really appreciate he effort and learning
You are a genius as a professor
I learned a lot!! THANK YOU!
Suffering from 4th cranial palsy.. you're awesome man.. I'll see what happens Tuesday
Hi ,how are you now finish your 4th nerve palsy?
Thank you so much for your amazing service 💜
Thank you so much! ❤
Lovely video! One small correction: In the optic canal, the ophthalmic artery accompanies the optic nerve.
Thank you so much😊
There is another mnemonic RAD/SIN -- Recti adduct and superiors intort. All the muscle actions can be learnt from this simple mnemonic
Really the BEST ❤❤
thank u so much sir👏excellent video👍🙏
Thank you for your videos! Just a small correction, internal carotid artery don't go through foramen lacerum, just passes tangencially.
greetings for Portugal
this was amazing
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?
Great job😇
Thanku so much
Ninja, sağolasın! 🙏🏽❤️ Ninjanın askerleriyiz, ninja kardeşimizi yedirtmeyiz, ey avrupa duy sesimi
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
🌞
Wow!
Thank you so much
This was really good 🤩 thank you so much 👌🏻🙏
Great video
Thank you sir
thanks a lot, i love this channal
Wonderful sir🙏🏻🥳🤩
You are just awesome ☺️
Great ...liked ur videos plz try to cover functional components of the Nerve also...thank you
6:57 haha "that's the pituitary not your balls"
thank youuuuu
hey there!, thank you very much ,,it was really really helpful;;;:)
as always , amazing !!!❤❤❤
Best as usual 🙏🙏🌹🌹👌👌
U r a real legend 😭😭😭
nice one boss keep it up.
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
amazing videi
thank u
I guess anterior inferior cerebellar artery arises from basilar A. and not vertebral A. that u have mentioned
Fantastic
Bro do u watch Dr.najeeb lectures, ur lectures are similar to his videos. I watch both of u. Big fan.
I had an anterior communicating artery aneurysm rupture which caused an extensive brain haemorrhage I was flown to Melbourne for coiling. I’ve been told that My 4th cranial nerve is damaged. 4th nerve palsy. I have double vision and depth perception issues that cause constant nausea and injuries due to crashing into things.
Thanks
Thank you o
Marvellous 😍
“Pretend here is my eyeball. Here is my beautiful eyelashes.”- Gotta acknowledge the beauty of the eyelashes, lol!
How cute! 😊✌ ✋ 👌 Carry on,Sir.♥
100% efficient.
great,just great.
Superior oblique rotates the eye medially, doesn't it?. In that wat trochlear nerve palsy would lead to eye being lateraly rotated.
Perfect!
It gets a bit confusing when you get to the Bielchowsky sign, but besides that, nice as always!
I LOVE YOU 🙆♀️
Nice video~!
The trochear nuclei lie ventral to the PAG, not lateral to it.
Thanks
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!
WHO like genuinely WHO disliked this masterpiece .
Nope WHO didn't
The common reason atleast in India is nerve palsy caused by Diabetes or by Vit B12 deficiency..
That's what my condition is. Intortion! Bingo. But it pulls my lids turning with all those three nerves.
King.
❤️❤️❤️
❤❤
❤❤❤❤❤❤❤
💛💛
Easy! ...compared to the trigeminal.