Electromyography (EMG) Basics, Muscle Hypertrophy, Denervation, Rigor Mortis - Muscle Physiology

[@MedicosisPerfectionalis]

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[@Dra9ontail2]

I am not a medical professional. I am a patient with a problem in her shoulder and I just had and EMG. Even I could follow this explanation. Great work!

[@MedicosisPerfectionalis]

Thank you 🙏 Best of luck!

[@mikaelastefkova]

Same, I love watching these videos, they're so well explained and interesting! I've had two EMGs in the past and I'm having another one next month ✨ I hope your shoulder is doing better!! 🍀

[@ironyschild]

neuro exam in a week and this just explained EMG better then any of the professors

[@KV-gt5od]

Feel u bro, me neither. I have my summer practice and nobody showed interest to explain me what is going.

[@gordonmiranda8001]

I’m in the same boat currently 😂

[@akramradwan8970]

That's literally happen with me now🤓

[@lalanto341]

You're one of the best explainer I have witnessed, Doctor! You're making my med school bearable. For sure even a primary schooler can understand you! Thank you, Doctor!! 🥰

[@MedicosisPerfectionalis]

Wow, thanks!

[@swatts2121]

I have denervation in my right arm and triceps I had an emg and was trying to understand the results… u explained this better than my doctor. U are amazing! Thank you for the video

[@kr3016]

I had right hip arthroscopic surgery FEB2021 - I experience spasms and various pains in my anterior thigh (sharp, burning, allusive itching, cold wash, tingling), with other groin, knee, inner thigh, outer-hip and buttock pains. I have finally gotten my pain management team to schedule an EMG/NCS. PM diagnosed me with meralgia parasthetica- however I have been pushing for the EMG for almost a year, now, due to muscle loss and functional loss. (I cannot fully extend through a step while walking without my leg buckling and so I walk with a cane). This information gives me some comfort knowing what I am going into and the science behind the method. I have had spinal nerve ablation, LFCN ablation, corticosteroid injections and I am scheduled for a steroid injection for my sacroiliac joint. They’re trying to find the pain source - but I truly feel it’s femoral nerve damage from the surgery. Thank you for this video - It’s been a hard road and I’m hoping for some answers with this study.

[@Isabella-uw3ms]

I´m so happy this video exists. Nobody could really explain it to me in detail but now I understand! you really helped a future neurologist :)

[@MedicosisPerfectionalis]

I am honored!

[@devkisalkar8395]

Wow! Thankyou.. currently studying for my Masters in Orthopaedics Physiotherapy exam. Started with studying EMG, came across your video and got hooked.

[@MedicosisPerfectionalis]

I am honored! Good luck 🍀

[@iamwagata]

This man is a genius! Great video indeed 💯

[@MedicosisPerfectionalis]

Thank you!

[@kevinc5546]

Simple and clear , I'll be checking in every day. Have a good one doc.☺️

[@MedicosisPerfectionalis]

Thank you, you too!

[@compilationlou8337]

I did some research and in turns out fibrillations are due to muscular denervation, not necessarily myogenic diseases. The reason you get the fibrillation is because the denervated muscles are more sensitive than normal muscle. I guess you can make the argument that in certain inflammatory myopathies there are muscle fiber break down and mild denervation causing occasional fibrillations.

[@disneybunny45]

I am getting an EMG in a month due to my muscle spasms/ twitches. I have both fasciculations ans I think fibrillation. I can feel a buzzing/vibrating feeling in my muscles sometimes.

[@carmennichting8468]

How are you doing at the moment?

[@cyrusthegreat5052]

Hi, Let’s say a patient has BFS. A neurologist puts them under the EGM test. And connects the electrodes in the areas that the patient is experiencing twitches. During the EGM process, twitches happen obviously, at the patient is anxious and unlucky. How would the EGM result show the graphs during all three categories? Especially, in the first scenario where there is no contraction. Does EMG show some abnormal activity since the muscle was fasciculating during the test?

[@zhassulanispolov3217]

acetylcholinesterase is not attached to the nerve side, but muscle side. Muscle side also produces it. Therefore, destruction of the nerve will not results in a decrease of acetylcholinesterase

[@johnsonwilliam5020]

"This is the Joe Rogan experience" got me xd. Nice video, thanks.

[@MedicosisPerfectionalis]

My pleasure 😇

[@lalanto341]

I really wish you will reach and surpass million subscribers. In Shaa Allah!

[@MedicosisPerfectionalis]

Thank you 🙏

[@naturallawhealth9272]

This is great!! Easy to understand with a few laughs 🤣😁😊

[@MedicosisPerfectionalis]

So glad!

[@filmonhaile3327]

The sudden 'This is the Joe Rogan experience' killed me 😂

[@MedicosisPerfectionalis]

😂

[@cherilynnilles6877]

How sensitive are EMGs to specific diagnoses (als vs ms or cervical radiculopathy vs tunnel syndromes)? Or the diagnosis based on EMG and clinical findings?

[@johnathanabrams8434]

Fasciculations can occur outside of neurogenic disease . During autonomic nervous system dysfunction mitochondrial biogenesis is impaired, acetylcholine leaks from the neuromuscular junction and sarcomere contractions occur.

[@Sandra-uu2ye]

I have a question regarding EMG and MVC. if MVC falls while EMG is maintained, would this indicate central or peripheral fatigue? And if EMG drops in average firing frequency; what will the explanation to this be?

[@miradoc230]

I'm a new subscriber here 🙋 i liked ur work and explanation 👏 thank you so much doc ❤️

[@MedicosisPerfectionalis]

Thank you 🙏

[@raniahelmi4277]

My favorite channel ❤

[@MedicosisPerfectionalis]

Thank you 😊

[@darelbutler3953]

How to straighten an EMG curvy baseline, please? I have a green and a red electrode I place on the patient along with a concentric needle

[@MousaIbrahim-xd2tj]

Any problems face me during study , immediately i say where is medicosis ?? 😂😂❤❤❤❤❤ Thanks alot ❤❤❤

[@MedicosisPerfectionalis]

Most welcome!

[@sathwikgangireddy]

In denervation there's increase in amplitude on EMG due to compensatory hypertrophy. But on NCS, CMAP is reduced. So how do both the results co-relate? Also, on EMG can we differentiate axonal vs myelin injury and if so how to do it? For example in SMA

[@reeveshanara2799]

I had a crush injury to my hand 6 months ago, no broken bones, had tenosynovitis on an ultrasound, had an mri with structural problems. I’ve had pain in my hand the whole time early crps was a diagnosis until I had an independent medical assessment and was told I had guyon tunnel syndrome, for the past 3 months my arms been slowly getting sore and my shoulder and neck are effected aswell. I’m on anitryptidline but I have a feeling the nerve is just damaged, is that possible?

[@sadpanda8521]

can you do a video on crps nerve problems im being put in a wheelchair becuse its painfull to move

[@klikkerTV]

EMG can detect pinched nerve between C5-C6? MRI not found anything.

[@cherrrriii]

amazing as always, hope u can tell us ur methods 🥹💗💗

[@il400]

Is the DMT in the picture of Joe Rogan an important factor in the muscular structure?

[@sarikasingh6060]

Great video!! Can you please make the next video on changes during muscle contraction including thermal changes? Thank you so much for this video too....

[@MedicosisPerfectionalis]

Can you elaborate, please?

[@sarikasingh6060]

@@MedicosisPerfectionalis I meant can you please do your next video on "changes occurring during muscle contraction" (which includes physical, electrical, chemical, histological and thermal changes that occur during muscular contraction).... Since there have been no video available over KZbin explaining thermal changes during muscle contraction specifically, I emphasised on "thermal changes"..... Hoping to get a video from you on it soon 😛

[@mohamedabdelbakky5883]

Thanks alot doc, really amazing, you make it look easy

[@MedicosisPerfectionalis]

Thank you 🙏

[@Misshtt]

Hi, please answer me what means " INNACTIVE CHRONIC DENERVATION L5 ROOTS" Thank you!

[@huglion]

If i understood, the Big amplitude on emg means MND disease ?

[@MohamedHussein-lb5kr]

u are the best -really thx

[@MedicosisPerfectionalis]

My pleasure 😇

[@StrsAmbrg]

So, can we use ECG to measure brain electrical activity, to act like EEG?

[@CrankyPantss]

That was a lot of information. Thanks.

[@kirbymarchbarcena]

You got me laughinv at the "This is the Joe Rogan experience"

[@MedicosisPerfectionalis]

:)

[@gaberivera7228]

are these notes included in the nerve physiology PDF?

[@MedicosisPerfectionalis]

They are in the muscle physiology PDFs, not the nerve physiology ones.

[@birhatyouns2004]

Thanks a lot ❤

[@medicalbiochemistry_]

Great work

[@MedicosisPerfectionalis]

Thank you 🙏

[@Momentxzx]

My EMG results in abnormal high amplitude in motor unit potentials (more than 2.5 times). Does it mean I have neurogenic disorder? Some sites mention that high amplitude could happen when there is re-innervation at present. You also mentioned in the video when one nerve lost its habitat, the surrounding nerves could take over. Mean there is hope for the muscle to work again. But then some sites say neurogenic atrophy couldn’t be reversed. I am stressed because I don’t think my PCP approach my matter with the right angle. And it takes months now and I’m in the middle of nowhere. The window frame is narrowing. Could you help me please?

[@huglion]

Hi, my emg shows high amplitude too. But neurologist said nothing. What dors it mean for you, Do you have any explanations?

[@huglion]

Ty Tran ?

[@bieekoo]

Do you discuss Otitis media boss ?? Thank you 😊

[@MedicosisPerfectionalis]

Not yet!

[@bieekoo]

Can you do it soon , I'm totally depends on your lectures after Allah , my exam after 2 wks , Please do it يسطا

[@halibakda1540]

Very good video

[@MedicosisPerfectionalis]

Thank you 🙏

[@sanikagodbole8874]

Super helpful! Thankyou ♥️🥳

[@MedicosisPerfectionalis]

My pleasure 😇

[@charm_777]

Thank you!!!

[@MedicosisPerfectionalis]

My pleasure 😇

[@HartCatherine-z9x]

6101 Aletha Dam

[@johnathanabrams8434]

How is acetylcholinesterase restored ?

[@MedicosisPerfectionalis]

It’s an enzyme (protein) that the human body synthesizes.

[@johnathanabrams8434]

@@MedicosisPerfectionalis can you do a webinar on myofascial pain syndrome?

[@goelvrinda]

lems told by you is wrong please recheck

[@sehelisinha4349]

So fasciculation is not a normal phenomenon

[@devynlyon5782]

Just a powerlifter trying to study random shit…. now I’m scribbling notes to EMG levels at 1am

[@MedicosisPerfectionalis]

Thank you for watching:)

[@mikemierspadios7036]

Just a Geek Kid 🤓. Researching how to createabout limb and neuro prosthetics . So I can create one cheaply and maybe help humanity.

[@mayar9078]

Perfect💕

[@MedicosisPerfectionalis]

Thank you 🙏

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Lowe Center

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Lauryn Cape

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Hallie Fields

[@JohnBrown-x4s]

Kiarra Greens

[@jeanetteraichel8299]

I have had orders for four EMG's in the past two years. None have been done because of idiot neurologists. It's awesome knowing the details and explanation

[@MedicosisPerfectionalis]

Thank you!

[@PeggyHaggai-j4h]

Arnoldo Ways

[@alpacattack512]

2:50 alright alright i'll shut up also i barely even sound like that

[@DonaldThomas-h7f]

Wisozk Junction

[@Yousefalitaha]

ورده 🌹

[@VanAntony-l3k]

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[@ayatrahman8222]

You talk so fast why😢😢🤦‍♀️

[@camillebambi6449]

Put the playback speed slower

[@MedicosisPerfectionalis]

👨‍🏫 Physiology Playlist: kzbin.info/aero/PLYcLrRDaR8_eAjmngd289ghWijs2wfqnj

[@draspirin7944]

❤️ 1st..

[@MedicosisPerfectionalis]

Thanks a million!

[@MedicosisPerfectionalis]

💪 Anatomy Playlist: kzbin.info/aero/PLYcLrRDaR8_cxbxAwLSQSx9v28Ezv3gQB

[@guldenaydin9918]

⚘🍃.