Forearm extensor muscles
ฝัง
- เผยแพร่เมื่อ 12 มี.ค. 2015
- Clinical anatomy overview of forearm extensor muscles.
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Loved it, i literally can explain each of the muscles of extensor compartment
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BTW ... do u have any suggestions for videos to be created?
@@TheNotedAnatomist hmmm maybe something combining clinical anatomy of upper/lower limb, or nerve injuries? e.g. claw hand, foot drop, wrist drop etc
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This was INCREDIBLY helpful! Thank you
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Finally, I've been looking for so long to understand the different layers of forearm muscles, thanks a lot
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Wrist flex ion stretch
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Thank you for making it easy to remember.
( 6.42 ,it’s Triceps not Trapezius , slip of tongue )
Excellent video!
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This was enormously helpful!! Thank You so much for this lecture!!!
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I would just like to add that the m. abductor pollicis longus originates on the posterior middle 1/3 of the radius, ulna and interosseous membrane
m. extensor pollicis longus can originate on the posterior middle 1/3 of the ulna and the interosseous membrane
m. brachioradialis inserts on the suprastyloid process of the radius
m. supinator has 2 heads a superficial and deep, the posterior interosseous branch of the radial nerve goes in between them
m. anconeus is actually really usefull! i heard if removed patients can loose up to 40% of extension strength in the elbow joint
The roof of the anatomical snuff also has cephalic vein... BTW it is a wonderful video
Now that was really really helpful....thanks a lot !!!!
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Your videos are so very helpful! Thank you for sharing them. A note on this one - you say the aconeus assists the trapezius for elbow extension - I think you mean triceps.
fantastic video thanks. the human body is amazingly complex
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Loved your explanation. Recently after a 14 hour mountain trek under a hot sun and forearms being sunburnt from holding on to a climb support rod, am not able to extend my fore, middle and ring fingers.
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Once I'm done understanding this one and the other arm/elbow/forearm related videos - which might take a while considering all the different angles, perspective and stuff - I'm certain I'll be finally able to make peace with drawing arms and hands. XD
@@charabrazuca9157
How did it go?
Hey, thanks for this video. At 6:40, do you mean assist the triceps in extending the elbow? Not the trapezius right?
Doh! Yes you are correct ... Thank-you for letting me know:)
This is too good
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6:40 " the Anconeus muscle assists the Trapezius muscle in extending the elbow " you meant the triceps right?
+ahmadharb13 Doh! Thank-you ... you are correct.
All thanks to you and your videos
You are most welcome.
:)
Hi, what kind of nomenclatura/book do you use for your videos. Thanks a lot
Muscles of the Forearm - Posterior compartment
Superficial: (lateral -> medial)
1. Brachioradialis
2. Extensor carpi radialis longus
3. Extensor carpi radialis brevis
4. Extensor digitorum
5. Extensor digiti minimi
6. Extensor carpi ulnaris
7. Anconeus
Deep: (proximal -> distal)
1. Supinator
2. Abductor pollicis longus
3. Extensor pollicis longus
4. Extensor pollicis brevis
5. Extensor indicis
thanks alot
Hi thanks so much for your videos. What are the origin and insertion points for the other digit extensors?
Two errors? Help trapezius (triceps) extend the elbow; go distal (proximal, as the animation shows) to the extensor retinaculum.
“Anconeus assists the trapezius in extending the elbow” I’m sure you meant triceps but just wanna put it out there.
Thanks for your correction
love from goverment medical college nagpur (india)
Right back at you from Utah!
Best video I have watched. Where did you get the illustrations from?
Mark Nielsen's anatomy textbooks.
Thanks
Thanck you
Thanks a lot
Most welcome
For ABL did you mean it originates on the ulna and inserts onto the base of the first metacarpal? At 2:40
A very important question for you. Which muscles (taken as a whole) have more potential for hypertrophy: the forearm extensor muscles (mentioned in this video) or the forearm flexor muscles? Thank you so much for your informative videos.
You know ... I don’t know the answer to that question. There are 2 major finger flexors and one major finger extensor but if one set can get bigger physiologically I don’t know. I surmise that I would see hypertrophy more in flexors than extensors.
@@TheNotedAnatomist I really appreciate your answer! Thank you :)
Thanks man!
No problem!
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اويلي عليك جيسووووس
Nice
6:40 For anconeus,, u mistakenly said trapezius instead of triceps
1:30 Isn't the "back" of the forearm the posterior side and contains the flexors while the "anterior side" is best described as the top of the forearm when held out parallel to the ground and contains the adductors? I'm completely lost now.
CrucifyRobinHood, back can’t be flexors, because the contraction of that set of muscles would open up/ extend the forearm/elbow. Don’t confuse arm n forearm.
What are the best exercises for tight forearms please
Please correct me if I'm wrong. The Brachioradialis doesn't have any extension functions, it flexes the elbow and helps with supination but it' considered a forearm extensor because it is supplied by the radial nerve. But is it considered a posterior forearm muscle or anterior because it lies anteriorly?
You are correct. The brachioradialis flexes the elbow and is found in the posterior compartment of the forearm and thus innervated by the radial nerve.
The brachioradialis is found in the posterior compartment? I thought it courses in th anterior compartment
It looks like it does but the brachioradialis is actually part of the posterior forearm osteofascial compartment. As such it is innervated by the radial nerve. It seems like the odd man out because it flexes the elbow where the remainder of the muscles in the posterior forearm are extensors.
Ok that's great thanks Professor.
So how far is the EDC supposed to pull?
Why is it called the "anatomical snuff box"?
The "anatomical snuff box" is named for its historical use as a location for inhaling powdered tobacco, known as snuff, years ago (like 18th century-ish).
The trapezius doesn't extend the elbow...
Do you think training the extensors will decrease the tension in other muscles of the forearm?
Update: it did
-I've got elbow pain from volleyball, false grip and just lots of pulling movements. It got so painful that it felt like my arm would tear off after spiking. Anyways temporary remedy was just deep tissue massaging and that massage gun. Helped short term, but pain was still present and much less painful would feel I could only describe as "sticky" in my forearms. I say it like this because I'm sure many people have gone thru this, and guys all I did for like 30 min was putting my fingers thru a hair tie and just open and close it. Add more for extra resistance, less for more ROM and isometrics. Felt a great burn in the extensors and could literally feel the exact spot of pain and pressure releasing. This has been bugging me for about 2 years now and it feels like I just found the cure for tennis elbow. I wish someone with this problem will see this and have success!
Ps: apologies for the word splurge
Anconeus aids the triceps to extend .... not trapezius
You are correct I misspoke ... thanks for the feedback
My ignorance is showing. Nevermind, got it now.
SHING!!!
And we got extra tendons just to do rock on huh....
The hand is confusig me, it looks wrong for some reason ..
Hi Carol, in what way does it look wrong?
@@TheNotedAnatomist Im not sure, maybe looking at it wrong or the thumb is the wrong side or maybe the position of my hand,
Been trying to feel every muscle in my forearm as some sort of therapy from an injury, so when i do an exercise i can access my forearm and hand more accurate and deeply as a whole, im looking at it on position where im facing my knuckles ...
4:58 is a left hand, not a right hand
Hej monte
Poor video
اويلي عليك جيسووووس