Flexion and Extension Anatomy: Shoulder, Hip, Forearm, Neck, Leg, Thumb, Wrist, Spine, Finger

Flexion and extension are body movement terms in anatomy (body plans of motion). These movements are classified as angular movements, which I find helpful when visualizing flexion and extension.

During flexion, the angle between two structures decreases, or gets smaller, as the two structures bend or move closer together. During extension, the angle between two structures increases, or gets larger, as the two structures straighten or move apart.

Flexion and extension movements can occur at a several joints. In this video, I demonstrate flexion and extension at the following locations:

-Forearm (or elbow) flexion and extension
-Arm (shoulder) flexion and extension
-Wrist (hand) flexion and extension
-Finger (digit) flexion and extension
-Interphalangeal joint flexion and extension (finger and thumb)
-Thumb (pollex) flexion and extension
-Thigh (hip) flexion and extension
-Leg (knee) flexion and extension
-Toe/hallux flexion and extension
-Head (neck) flexion and extension
-Vertebral column (spine) flexion and extension


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[RegisteredNurseRN]

Hey, everyone! Thanks for watching. Don't forget:

[barbaran]

Wow! I needed this video so much! I have been struggling to understand certain flexions and extensions while studying at an online university. This video explained it so well! Thank you!

[DivineBooger]

Thank you so much, 4th year medical student here and have never truly understood elbow/knee/hip flexion extension until now, this was extremely helpful.

[mohsenakhavan]

Hello, I can't find a word to tell you thank you. You described the flexion and extension of the upper and lower extremities very nice clearly. I recommend this movie to everyone wants to learn or refresh the knowledge of physical exam !

[blb-nnrq]

Best explanation.
This type of teaching is much required in real medical colleges classes.

[drprocrastinate]

This is a really good video! It helped explain all the different ways Flexion and Extension can occur on different structures of the body, and even illustrates the joints involved as well as the decrease in angle.

[lissaf]

Thank you for taking the time to present us with a to-the-point narrative along with an excellent and clear, visual presentation! A+++

[Archanakarthikeyan]

Thank you so much for this lesson! I understand flexion and extension much better now.

[erinmiller-johnson]

Thank you so much! This video really made it easy to understand the difference between the 2 (depending on the joint), which I had a hard time with prior to this. Great learning tool.

[BrandonSchmid-qh]

first year med student nearing my first exam. thank you much!

[manipalkibaasti]

I was so confused about shoulder Flexion and extension movement thanks for helping so much ♥️

[boundlessyoga]

Excellent visual with clear explanation. Sent this to the students in my yoga teacher training.

[rajendrasankhala]

Hello... I'm new subscriber of your chanel...Am also staff nurse.

[MsSemki]

Finally, I get the joint flexion/extension!!! The books confuse more than clarify.

[mdmonirhossain]

Thank you very much for explaining all the movements beautifully. Which has been very easy for us. May Allah bless you with good health and happiness live long - Ameen

[CALI_BOY_VLOGS]

New grad RN here soon to start working on med surg unit and i appreciate this lecture

[beatrizgyori]

Excellent teaching and now I definitely understand it! Thank you!😊

[tammymilda]

finally a concise explanation for these confusing terms

[sureshjangir]

Very informative video.... quick explanation with perfect demonstration❤

[ivanelysvelazquez]

Thank you so much! I struggled understanding hip flexion and extension, fantastic visuals and explanation!