MBLEx Review: Interactions of Skeletal Muscles; Agonist, Antagonist, Synergist, & Fixator
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- Опубликовано: 29 июн 2024
- 0:00 Muscles NEVER work alone
0:28 Agonist, Antagonist, Synergist, Fixator
1:28 Example of flexion at the elbow, Agonist and Antagonist movers
2:14 Example of Extension at the elbow, Agonist and Antagonist movers
3:13 Synergist - Helpers
5:10 Fixator - Stabilizer
7:20 Check your understanding
This video explains how the muscles interact with each other, in other words, when an certain action takes places in the body, there are multiple (other) muscles that are responsible for the very movements of our skeletal and muscular systems....
I would highly encourage you to know what an agonist, antagonist, synergist, and fixator are before you go into the MBLEx (you may very well see them on there).
As always, you are welcome to comment any questions you may have concerning the material covered today, or the material you would like me to cover in our next video...
Please share and subscribe and give me thumbs up if this video was helpful, so that I can continue growing and reaching other aspiring therapist to pass their MBLEx.
Thank you,
Respectfully
ANSWERS TO QUICK QUIZ:
Extension at the elbow: The prime mover (AGONIST) are the TRICEPS BRACHII
Flexion at the elbow: The opposing mover (ANTAGONIST) are also the TRICEPS BRACHII
Synergist are all the muscles that work together to successfully achieve an action, such as extension at the elbow, primary mover; triceps brachii and synergist; anconeus
Fixators help to stabilize the proximal end (the origin of the contracting muscle) so the distal limb effectively moves, without moving the proximal end of the muscle.
![[UPDATED] MBLEx Review: Interactions of Skeletal Muscles; Agonist, Antagonist, Synergist, & Fixators](http://i.ytimg.com/vi/IooDZu8QFAY/mqdefault.jpg)
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Prime mover in extension of the elbow: triceps brachii, opposing during flexion of elbow: triceps brachii, Synergist are the helper muscles in the action being performed, fixator muscle is usually at the origin and sits on top of the origin of the muscle to keep it stable while action is being performed. Thank you!!
Yes!!! Very good! 💪🏽💯🔥
Explained better than my professor. Thank you!!
I appreciate that; thank you! 😊
I take my test this Friday and these videos are helping me so much, thank you so much!!!!
You bet! Make sure to check out the Questions of the Week as well 😎💯😆
That’s really help me to understand the lesson
Thank you sir
Thanks !!!
It helps me a lot ! I’ve understood the four words!
Good deal! Glad I was able to help :)
I ABSOLUTELY recommend this channel, if you’re preparing for the mblex test.
I passed my test on my first attempt
Thank you very much, for creating each content to helps us understand more easily and prepared for the mblex. THANK YOU VERY MUCH WellknownReyes 🙏🏻
Raquel, congratulations on passing the MBLEx!!!
Thank you for your kind words, you just made my day :)
Respectfully
@@WellKnownReyes 🙏🏻 THANK YOU
I would recommend it too... I'm still completing my training in the Massage school. Immediately after I will take my MBLEX. I have this channel to be very very easy to understand. The details are awesome for me better than the textbooks.. .. Thank you Well-known Reyes.. 😊
Did you make flash cards from this videos?
Great video ❤ thank you!!!
That’s GREAT ❤ big thanks
Great info!!!!
Thank you so much! this is really helpful
Thank you for your kind words! I am glad it was helpful. Thank you for your support 🔥💯
thanks for this video. ive been a massage therapist for a long time and now im going through reciprocity (moving to another state) which now requires me to take the mblex in my new state and this was a great refresher. new subbie. thx
When do you take the exam? I would recommend buying the MBLEx Study Guide by FSMTB (the creators of the MBLEx) so you know exactly what contents to cover. It is well worth the 30 bucks... also check out the other videos I created, hopefully they'll help you out. Good luck in studying! If you have any questions don't hesitate to reach out to me :)
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Well-Known Reyes
Very well explain Thanku so much
Thank you!! ❤
Very useful 👍
Thank you so much ❤
You bet! Thank you for your support 😊
Thanks 👍🏻
7h before final. Thanks so muchhh
You bet! Good luck on your final! 💯🔥
This is really beneficial
I appreciate that, thank you.
Very nice video
Please, I need to understand what normal and abnormal selective motor control are.
FREE 100-Multiple Choice MBLEx Practice Questions:
well-known-massage-therapy.teachable.com
Awesome🎉
Thank you
You're welcome! I hope it helped!
Thank you for your support :)
Hey ! i really liked this video and understood the concept well, i have a small request to you can you make a video on '' Lever system'' please i'll be very grateful, thanks for this video
Anshul, I will definitely look into it. Are you a massage therapy student?
Hello thanks for the help. I needed this for my test :).
Awesome!!! What class was it?!
Glad I could help 😊🔥
@@WellKnownReyes The subject is "Anatomy and Physiology" in my college class....Yeah very helpful 😊
What is your major? I loved taking my A&P classes in college.
@@WellKnownReyes I'm currently taking BS in Medical Laboratory Science...wish me luck 🤞 too many sleepless nights already 😅
I completely appreciate how you emphasize that muscles never work alone in the beginning and you break down each term clearly. This was helpful to watch! I have a question for you. Based on your first statement that muscles never work alone, would you consider that the antagonist isn't necessarily relaxing and rather "lengthening" which is considered an eccentric contraction? By the textbook, it may seem like a minor detail but in action, whether going down the stairs or exercising on the mat, I'd say it's important to understand that there are *active* oppositional forces dynamically working together to create balance. Wondering what your thoughts are on this. Thank you so much for creating this video-- I'm a certified Pilates teacher currently studying for my National Pilates Certification Exam!
This is great insight! Yes, you are right! The eccentric contraction is the lengthening of the antagonist. Eccentric contractions are tricky and are not completely understood yet... what is understood is that when the agonist contracts, the antagonist must relax, allowing for the shortening of the agonist. This is known as reciprocal inhibition. At the same time, it circles back to your insight that there are active forces on both opposing muscles creating the need for balance.
Thank you for your kind words, I appreciate it. This question was fun, it made me stretch and think of different scenarios when it comes to eccentric contractions. For instance, how do these eccentric contractions differ: (1) (biceps brachii alone) during weight-bearing flexion and extension of the elbow, the downward eccentric phase (2) from the eccentric contraction of the antagonist (triceps brachii) that is stretched and lengthened during flexion of the elbow alone? Wondering what your thoughts are on this.
Good luck on your National Certification Exam! Do you have an exam date yet? I believe you will do great!
Very respectfully,
Well-Known Reyes
Thanks,was helpul
You're welcome! I am glad it was helpful :)
@@WellKnownReyes yes it really was😊
Hi, love your video, but can you increase your volume? I'm currently using a speaker already but your voice is so low. Please, increase the volume of your vid. Thank you.
Thank you for the feedback, I will increase the volume going forward.
Respectfully
It could be my microphone too, it a cheap one. I have been looking into investing in a new one :) hopefully that will help as well.
@@WellKnownReyes hope it will work out for you. 🤗
@@hh-ul8qc I got my new microphone in today!!!!!! :)
@@WellKnownReyes that's a good newsss 😊 hope it worksss well 😊
In the video, you mentioned that the synergists of elbow flexion are extensor carpi radialis longus and brevis, are these muscles not supposed to be synergist for extension instead since they are located at the back of the elbow?
Good morning Amelia, great question! I can see how this would be confusing. Extensor carpi radialis longus and brevis are both weak flexors at the elbow (humeroulnar joint).
Check out these online resources for more clarificaiton...
www.physio-pedia.com/Extensor_carpi_radialis_longus#cite_note-:0-1
www.kean.edu/~jeadams/docs/Kinesiology/Kines_Power_Points/Kines_Chap_7.pdf
Are you a massage therapy student?
Respectfully
@@WellKnownReyes yes I am a massage therapy student, how did you know?
I went through the sources through the link, it says that those extensor carpi are the weak flexors of the elbow, does it mean that they perform minor task in flexion? I think I'm now confused, so if the extensor carpi radialis and longus are the synergist does it mean that both brachialis, biceps brachii and brachioradialis are agonists for elbow flexion?
@@amelialanga1877 Yes. Great job! When the arm flexes at the elbow, those are all of the muscles responsible for that specific action. Biceps brachii, brachialis, and brachioradialis are agonist. The extensor carpi radialis longus and brevis are very weak flexors (but also help in the action, as well).
My channel is targeted to aspiring massage therapist, I am a massage therapy instructor in the State of Texas. Where do you go to school?
Respectfully
@@WellKnownReyes Since there are many elbow flexors, if there is an elbow joint dysfunction how will I know which muscle to strengthen?
I go to the University of Pretoria in SA
@@amelialanga1877 That is a great question, I looked into it today in our textbook we use.
What textbooks does your school use, I can point you in the right direction (hopefully its the same one).
*fingers crossed
Hi Reyes, Good evening. For some reason, it's not letting me go to the next question after I get to 30 on your mblex practice test. Is there a way you could send a link to this free practice test? Thank you.
well-known-massage-therapy.teachable.com/p/free-mblex-practice-questions
Is it still doing it? You may have to close your browser, and restart it, let me know if this helps
@WellKnownReyes okay thank you I will try that.
Can u send these photos as pictures or pdf, plz ?!
Hi Zaid, I will send you the link where it is I purchased a standard license to use it. I hope this helps.
Respectfully
www.shutterstock.com/image-illustration/example-anatomical-physical-movement-process-where-1916564675
This would have been better without all the BS adds.
Thank you for your feedback, I understand ads can be annoying and disruptive. While they help support my channel, I’ll definitely take you input into consideration.