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Αlpha Gamma Coactivation || Importance of Gamma Innervation to Muscle Spindle
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- Опубликовано: 19 авг 2024
Комментарии • 66
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Very helpful, exactly what I was searching to understand this concept.
Thanks a lot! Great explanation
You are literally a time saver dude ❤❤❤❤
Thank you for your invested time to share knowledge with us. God bless you man
Thank you brother for such a simplified explanation!
Thanks. This was a perfect explanation of what I was after!
Very nice explanation ,simple and clear
Your RUclips channel is awesome
Thank you very much I love you guys ❤❤❤❤
Amazing, greetings from Sweden
Fantastic explanation 💗
Thanks a ton! Very helpful!
Perfect explainatioan💕
Thank you, very understandable explained
Wow this is a great video!❤ Im subscribing to your channel straightaway! Keep it up!❤
very clear, thanks.
very helpful thank you 😍😍😍😍😍😍
Loved it. Very well explained.
we love you man
Thank you so much
This was very helpful, thank you
very good video
great video
very well explained !
Brilliant, thank you!
Thanks, very helpful
Good one.. watching from Nigeria.
So helpful thank you
شرح راقي 🫡
Thankyou
U forget to tell about the role of secondry nerve ending(type 2 fiber)
Great video. Thank you so much
king of the kings
very helpful , thank you
great explanation. thank you bro..
Perfect Thanks!
Most welcome
Thank u so much sir!!!
amazing thank you so much
Amei, nota 10
Dope stuff can't wait for the next drop🔥
Why do we want our muscle to be sensitive to stretch during contraction? What does it look like physically when gamma helps intrafusal fiber contract?
Its not 'during' contraction. Its in contracted 'state'. Like for biceps of arms, you want your elbow to be sensitive to stretch even when its somewhat flexed. Now as I am typing this, I am realing that sensitivity to stretch matters more when muscle is somewhat contracted. I mean, stretch on fully extended elbow would break it..!!!😅 Anyway,. I hope you got the point.
Head to search bar in RUclips
Type "Uchicago online" And go playlist 17.0
If u want directly alpha Gamma co activation go to 17.2 video.
This guy non stop neuron doesn't know how to interpret the concept well.
Look at his explanation for ur question
@@NonstopNeuron wow
Great 👍👍👍
Hey great video. I wanted to know what is the role of gamma motor neurons in preventing hyperrelexia. As I read that upper motor neuron lesions lead to loss of the gamma neuron reflex.
Nice
Thanks, new subscriber!
I have 2 questions:
- Does gamma motoneurons only activate in a voluntary contraction, and not in the myotatic reflex?
- Does the contraction involve shortening or stretching of the extrafusal fibers?
Greetings from 🇪🇦!
Gamma motor neurons also activate as part of the stretch reflex because, just like alpha motor neurons, they are innervated by tipe 1a fibers. If gamma motor neurons didn't activate after extrafusal contraction, the muscle spindle would become slack and would stop measuring the stretch of the muscle.
Contraction causes fibers to shorten, both intra- and extrafusal.
Awsome
❤❤
I think at 2:33, it is relaxation of intra by gamma , like the opposite to extrafusal movement???
No. Contraction of extrafusal fibers loosens the stretch sensitive central region of the spindle. So to make tighten it, the intrafusal fibers also contract. If you are not able to comprehand this, think of it like this: the length of central region should be maintain constant to maintain its sensitivity. Now watch the animations again. You will get it. I hope it helps.
@@NonstopNeuron here contraction of intra in the sense increase in length or decrease in length .
Because in the video for contraction the intra is increased in length I thought it is stretching. I'm really getting confused 😕
Ur saying that muscle spindle becomes slack with extrafusal fibres contraction. Ok
Then the presence of myofilaments at the ends of muscle spindle should cause more slack due to contraction of them by gamma motor neuron...
Explain it clearly
U should have said a little more about myofilaments at the ends of intrafusal fibres.
If myofilaments at the ends of intrafusal fibres contract how could spindle become stretch??????
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Does gamma motor neuron causes stretch or contraction of intrafuschal fibres?
Stretch
@@NonstopNeuronthen when does the intrafusal contract?
🙏🙏🙏🙏🙏🙏🙏
Jo apna kaha hai spindle slack ho raha hai ho intrafusal fiber ki BAAT ki hai ?
ha.
Then which motor neuron is involved in golgi tendon reflex ?
OMG OMG OMG IT'S SO FUCKIN CLEAR 😘😘😘😘😘😘😘😘😘😘😘😘😘☺️