MBLEx Review: Interactions of Skeletal Muscles; Agonist, Antagonist, Synergist, & Fixator

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.

[WellKnownReyes]

⭐MBLEx Review | Live Lessons | Video Courses | Digital Worksheets | Assignments:
🌟FREE 100-Multiple Choice MBLEx Practice Questions:

[Chasing.therain]

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!!

[raquelortega]

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 🙏🏻

[stillgrowingup]

Explained better than my professor. Thank you!!

[thespablueprint]

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

[saraha]

I take my test this Friday and these videos are helping me so much, thank you so much!!!!

[fatimaswenia]

That’s really help me to understand the lesson
Thank you sir

[WellKnownReyes]

FREE 100-Multiple Choice MBLEx Practice Questions:

[larissa.pilates]

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!

[mariamfarouk]

Very nice video
Please, I need to understand what normal and abnormal selective motor control are.

[layanalshayeb]

Thanks !!!
It helps me a lot ! I’ve understood the four words!

[anshulvats]

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

[Sweettbeee]

Thank you so much! this is really helpful

[JPogi]

Hello thanks for the help. I needed this for my test :).

[Foxycleopatra]

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.

[hh-ulqc]

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.

[zaidtamerr]

Can u send these photos as pictures or pdf, plz ?!

[amelialanga]

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?

[lekkathu]

Hello I need some help with mblex so much I been there 7 times I not passed 😢

[indaystocome]

This would have been better without all the BS adds.