Neurology | Spinal Cord: Stretch Reflex | Muscle Spindle
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- เผยแพร่เมื่อ 15 ต.ค. 2020
- Official Ninja Nerd Website: ninjanerd.org
Ninja Nerds!
In this lecture Professor Zach Murphy will present on the spinal cord stretch reflex, in addition to a detailed discussion on the components of a muscle spindle within our Neurology playlist. We hope you enjoy this lecture and be sure to support us below!
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Some heroes don’t wear capes. You are a superstar, Zac. Thank you for making me pass physiology, med school would be considerably harder without you!
Your neurology play list makes me stay ahead of my class. Much love zach
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@@mydoctorhealthyzonedrAnubhav qq
Love your teaching zach🤩🤩 Thanku so much hats 📴 to u👍👍👍
Hey Zach. In your older videos you used to put the entire whiteboard on the screen for a couple seconds at the end of the video. It really helped for revision. Can you start doing that again please?
That's what I'm needing rn.
👍👍
I'm 3rd year med studet and your videos are very helpful. Every good medical material is paid and many student can't afford it. So thank you, and please don't give up🧑⚕️🩺
I don't know what I'd do without your lecture videos! I will never find a better teacher than Zach! Thanks a lot for your efforts! 🙏🙇🏻♀️
Finally an indian 😀
You are so gifted to be this clear by explaining things. I found your videos so helpful. Such a great job 👏
Beautifully explained, as always Zach. You're a life-saver!
It took me hours to read and reread the chapter in my book and still don't understand. Thank God I found this video. Everything is clear now. ^u^
your an amazing human for how your helping us med students , alot of med unis never bother to upload decent slides or lectures to explain anything so thank you for what your doing to help us students become what we want to be
What can i say man. Love the way you are dedicated to teaching us. Literally saving me from mental breakdown. ❤
I would have been so ahead of my professors and class if i had found this channel earlier
Much love Zach❤ keep up the great work
Thank you so much for these lectures. Im in medical school right now and I use these lectures to better understand whats written on my very very complicated Physiology textbook. Cant stress it enough, THANK YOU 💯
Whenever my physiology gets hard, the first thing my mind tells me is,"go watch a ninja nerd video!".... Thank you so so so much for explaining quite well in every video... Your videos make learning way less stressful... Thank you Zach
You videos are really helping me go through my Physiotherapie education. Really great explanations. Thank you!
Such a great video! Thank you for making multi-modal learning accessible to everyone. I wish my Professors lectured the way you do!
I’ve been starring my notes for hours til i found this. Thank youuuu
YES! This was the best video I've found that explains these fibers in a complete way! TY!
you are just amazing in making complex stuff so clear and understandable!!! out of this world!
Right on time for my MSK/Neuro test. You're the man ❤️
Thank-you! I have watched a lot of your videos and they immensely helpful with a touch of humour. I know some doctors teach so imagine you will be teaching at a university if not already. Your videos are medicine as they help me to understand which relieves exam stress and lowers blood pressure. :) The world needs more people like you.
i literally bow down to you because of your educational videos. you are helping me so much through university right now
Finally this video cleared my concept of stretch reflex that was bothering me a lot , love and respect from my side 🙏
I love your passion for the content as it allows a guy like me who is ADHD grasp such high yield info in fun way! I will never forget the alpha-gamma-coactivation because I know when those nuclear bag muscle fiber endings contract those Type I-A sensory neurons are activated because, "they tight baby!"
I just need to send you some love ❤️
This channel makes information so easy to digest and consolidate!
This is so helpful!!
I have an exam tomorrow and I was confused about this topic. Thank you for your clear explanation, especially about alpha-gamma co-activation!
Thank You so much, Zach!!! So interesting and so understandably! So happy I've discovered your channel!!!
I´ve been struggling with physiology the whole semester and you saved me. Thank you so so much for your videos!
Thanks for restoring back the student in me.. your neurology videos are Soo firee🔥🔥
Thank you for existing!!...you make it so easier to study❤
Amazing explanation! I literally got to understand this materials for the first time.
Wouldn’t pass neurophysiology without you. Thanks!!
I'm seriously so stunned you don't get 300k+ views per video. Damn algorithm! This is definitely the most top quality and simply explained info I've seen.
wow this is not an easy concept to wrap your mind around! you make it bearable! thanks so much!
You are my hero! All your videos are so detailed and easy to understand! The best!!!!! Seriously the BEST!!!
On point with my syllabus. Much love ❤️
Useful for my neurophysiology lessons at medschool. Thanks so much.
Thank you for your lectures. I get to smile while studying.
I am so happy that you added neurology playlist when i am taking it 💗💗😍
Good to see you guys again. Your videos help me alot during quarantine. Thank you for beautiful lectures. ♥
Thanks Ninja Nerd! You explain science far better than any of our professors!
Finally got the concept . Thank u zach ! Lecture was ultra pro max awesome 👏.
Been waiting for videos on reflexes!! Thank you!! 🥺❤
Thank u soo much Zach!!!!!!.... U are indeed a saviour to all of us!!!! As I'm running short of time, needed to grasp all this concept, and I was able to do only with ur help!! Means a lot man!! U always rock 🤘and ur team too... 😇😎🤩
Haven't seen it yet but I'm sure it's awesome! Gonna watch it later after your playlist on Respiratory. thank you sooo much!!!! xoxo
Helps a lot, that's dedication right there!😌. Appreciate it ! much love and respect for teacher zach.
Extrafusal fibers-
Connect with tendon
Generate movement.
Intrafusal fibers-
Proprioreception
Length and velocity.
Nuclear bag fibers-
Length and velocity
Type1 a fibers
Annulospiral ending.
Nuclear chain fibers-
Length
Type 1a and type2 a
Flower spray endings
Nuclear bag-
Mechanical gated ion chhanel
Voltage gated ion chhanel.
Deep tendon reflex-
Muscle spindle/ intrafusal fibers
Type1 and type2 a
Drg
Motor neuron
Muscle contract
Ipsilateral monosynaptic reflex.
Muscle spindle
Drg
Sensory neuron
Interneuron INHIBITORY
Inhibit motor neuron
Inhibt skeletal muscles.
Poly synaptic neuron.
Reciprocal inhibitions
Corticospinal tract INHIBIT gamma motor neuron.umn lesions
Hyperactive
Hypertonus
Spacticity.
Alpha gamma coactivation.
Thank you sir
Thank u to u too
That was like a quick revision..Thank you 😇
Thank you!
Extrafusal fibers connect with tendon.... and intrafusal fibers connect with??
@Marco Di Paolo intrafusal fibres,are modified muscle Fibre so I think the are connected in the same way and change their length with the whole muscle.
Too clear and easy to get !! All thanks to you ❤ my Gof bless you😍
As always, you are super talented Zach!!
BIG THANKS man,,
idk you're like my big bro who always has my back in med school
thanks for doing what you do. you're awesome!
i can't imagine how a Med student's life would be without you!!!! tysm 💛
Such an amazing way of imparting knowledge. Keep going.
thanks bro! now i'm capturing everything just because of your help. Thanks indeed.
You’re the best as always you made it very clear
I hope if you can start doing step1 Usmle lectures .
You are an excellent teacher! Thank you!
i wish i had accessed to your vdo during my med school years .... i had to read several pages in ganong and still could understand the concept at that time.
Thanks bro .
Explained nicely ...made all facts easy to understand
Finally got the concept of muscle spindles thank you
I've just got here. I'm from Kenya. I'm ancient...63! Because I never had a chance I always felt I missed out on school. You guys are brilliant. I love this video. It has really helped me feel brave about learning.🙏🏽 From my heart
Thanks Zac. This is life saving
wow, quarantine lookin' good on this guy.
I love you Zach❤️...wanna hug you😭😭, your videos are so awesome, as always
Thank you for a well explained video!
I can't explain my happiness that I'm leaning so much. Thank you
Awesome way of teaching 🔥
Much needed topic. Thanks a lot!!
Thank you so much. This is great!
i hit the like bottom before watching your videos
you're doing an amazing job here thank you so much ! you are always a source of inspiration for me keep going !
So awesome teacher......all my concepts got crystal clear......
Your videos are very helpful! Thank you!!!
So thankful for your lectures!
this is so helpful. Thank you so much!
looking for an hour in book...did nt got anything and here got satisfied in 30 min..😍☺🤗🤗🤗🤗🤗
"Sodium will be like "Uh-uh baby, I'm coming in!" 🤣 You made my day! Thank you!
Much appreciated! At least one topic for my neuro exam will be ninja'd :P
thank you ,you make it so easier to study❤
Iiiii looooove youuuuuuuu guys ..Teacher Zach! you're my Angle my Herooooo ❤️❤️❤️
Damnnnn
I have been studying this topic for past few days but hardly understood something .
You made me understand the topic , thank you man
You are always the best! I shall request a video about concussion. I will greatly appreciate if you could explain what happens to brain tissue, and why such symptoms happens, as you explain with anatomy and physiology of brain.
Ninja motivated me to start my own channel. Love you bro ❤️
I really like the way you explain with the drawings and evrythinh it's really fun to listen to your video :)
if someday I die and Zach asks for my organs pls give them to him. he's a lifesaver
there is no one on youtube (or even my university) with the level of clarity and knowledge that you provide man, you are the GOAT
greetings from argentina
YOU ARE THE KING of NINJAS !
Literally sooo helpful 🙇🏻♀️
Thank you sir ❤️ wonderful insight of knowledge
amazing explanation, thank you so much👍🏻
Go ahead zach ...your followers with you and supporting ...good luck... ✌️
Exceptionally well done Zack!
U r my favourite
Keep it up👍
His neurology list makes me great in neurophysiology.🥰
I got 98 in neurophysiology thanks a lot Zach😊
this is an artwork thanks a lot ninja nerd staff
Super clear! Thank you!
this really helped thank you so much !
Legendary video, thank you so much!!
Thank you so much
I'm having xm nxt week, I expected thz video🙌
I appreciate you guys so much !! your videos are great
Greetings from Brazil. This video helped me a lot!
Um really grateful for you in neurophysiology module 🔥🔥❤️ , thanks so much
Just at your time!! Thank You man!
Superb explanation. Thanks
really well made. Appreciate ya