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.

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Learn about the Iliopsoas Muscle (Hip Flexor) and the anatomy involved in its movement in 3D.                          

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Video with mostly drawn illustrations of flexion and extension of the hip and knee joints; The hip flexors, quadraceps, hanstrings and the gluteus maximus are the main muscles of these functions. There are some exercises on how to strengthen those muscles.

The iliopsoas is a compound muscle which formed by the iliacus and psoas major muscles. It originates from the lumbar vertebral column and hip bone, and has …
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A full body workout is a great way to not only get fit, but to build strength. Build strength during a full body workout with help from the founder/owner and the Director of Awesomeness at STRONG Gym in this free video clip.

Expert: William McNeely
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Filmmaker: Kevin Leeper

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