Wrist & Hand Anatomy: Muscle Actions

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The muscles of the wrist and fingers can be confusing but there are a few strategies to help remember them and their actions. This lecture is part of a free, 25-video series covering every facet of structural anatomy. Don’t just memorize human anatomy, master it: bit.ly/32kJ5zw
TIME-STAMPS
00:00 - Intro
00:38 - Muscles that move the wrist
01:36 - Muscles that move the phalanges (and wrist)
03:42 - Flexor Carpi Radialis
04:14 - Palmaris Longus
04:52 - Flexor Carpi Ulnaris
05:12 - Extensor Carpi Ulnaris
06:03 - Extensor Carpi Radialis Brevis
06:21 - Extensor Carpi Radialis Longus
07:07 - Flexor Digitorum Superficialis
07:30 - Flexor Digitorum Profundus
07:56 - Flexor Pollicis Longus
08:22 - Extensor Digitorum
08:43 - Extensor Indicis
09:12 - Extensor Digiti Minimi
09:36 - Extensor Pollicis Longus
10:04 - Abductor Pollicis Longus
10:30 - How best to study these muscles
11:18 - Where to Head Next
RESOURCES MENTIONED
Floyd, R. T., & Thompson, Clem. (2017). Manual of Structural Kinesiology (20th Edition). McGraw Hill.
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#anatomy #wristanatomy #DrGoodin
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Hey there kinesiology friends! Thanks for checking out this video-it’s part of a playlist that covers every major region of the body: including bony landmarks, joint movements, and muscle actions. You can find that here: bit.ly/2GOtjVf
Additionally, check out my Kinesiology Concepts playlist where I spend 5-10 minutes simplifying important kinesiology concepts: bit.ly/3mgKy1K
Or stop by my channel for complete teaching series on strength and conditioning, statistics in kinesiology, and sport science: bit.ly/2Rlg5kQ
Have a great day and remember to move well, live well, and teach others to do the same!
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Dr. Jacob Goodin is a professor of kinesiology at Point Loma Nazarene University (PLNU), and holds a PhD in Sport Physiology and Performance from East Tennessee State University. He has over a decade of experience as a strength and conditioning coach and sport scientist from the high school to NCAA Division I levels. In addition to his role as a professor and research mentor, Dr. Goodin directs the Athlete Monitoring Initiative at PLNU, which provides testing and monitoring services to over 200 athletes yearly as well as research opportunities for kinesiology students.
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MUSIC CREDIT
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8 июл 2024

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Комментарии : 220

@faithsanchez7000 3 года назад

The fact that the names coincide with their location and function really makes learning these muscles much easier!

@joshcombs123 Год назад

Im grateful for the names of the majority of the flexors and extensors. Finally some names that actually help us remember

@isabellecousineau302 2 года назад

I like how you specifically showed pictures of the muscle actions which helps me understand the material more clearly.

@kaileegross7476 2 года назад

The aspects of the hands and wrist are so underrated! It's crazy how many bones, tendons, and muscles are tightly packed in such as small space.

@dianalira6870 Год назад

There are so many muscles in the wrist and hand. I appreciated how you try to break down what they do by just looking at the name. It actually does make it a lot easier.

@ryanharris8481 8 месяцев назад

I enjoy how most of the muscles have their action in their name, it makes it easier to identify the different muscles that act on the wrist and hand.

@laurenhufault367 Год назад

Breaking down the names of the muscles really helped with understanding where they're located and what their functions are. Goes to show that taking the time to understand something ends up saving more time than trying to memorize it later!

@hannahlien5137 Год назад

The organization of the slides was really helpful because the muscles were grouped by their names, and thus their actions, which makes memorizing them much easier.

@emmasanchez5975 3 года назад

I didn't realize how many muscles work together to move the wrist and hand. It's very interesting to me.

@vanessaviramontesPLNU 8 месяцев назад

Dr. Goodin, There were lots of muscles to learn in this video but amazingly you always manage to make it short and sweet. Thank you!

@gracehalcomb 8 месяцев назад

Learning all of the muscles isn't as overwhelming as I thought because the names are so descriptive and can help break everything down into where they are located and what they do. I also appreciated you drawing over the pictures of the muscles because this made everything more clear to visualize.

@kylesands9693 8 месяцев назад

Some many muscles in such a small area, the complexity of the human body is truly amazing!

@lilyhodgins9140 4 года назад

Enjoying the new material that hasn't been covered in my previous anatomy and Kin classes

@marqquiambao9757 Год назад

I appreciate that when talking about a specific muscle, only that muscle was highlighted. In the forearm, the muscles are very compact together, so it was very helpful.

@user-rd2fj3lw6m 4 месяца назад

Discovering all the muscles isn't as daunting as I initially anticipated because their names are highly descriptive, aiding in understanding their locations and functions. Additionally, your illustrations overlaid on the muscle images were greatly appreciated as they provided a clearer visualization of the concepts.

@joyshang5670 Год назад

I like how the muscles include the action and location of the body in the name! It makes it much easier to study and memorize.

@ilsechavez 2 года назад

I really like that the names of each muscle can tell you a lot, such as their action and location for the most part.

@gisellemedina4597 Год назад

The hand muscles have always been a little confusing to me and a lot to remember but the more and more I hear and learn about them the easier it gets. Good video!

@shannontingleff 4 месяца назад

I like how you separated the muscles into different groups based on what they do, it helps me keep them separate in my mind as well to keep track of them all and their actions

@ClaireStone-jq4wg 4 месяца назад

It makes sense that we need so many different muscles in our hands and wrists for fine motor movements but it is crazy to see them all and their actions.

@user-gr6lz9hp7s 8 месяцев назад

I really appreciate that when you described the muscles of the wrist and and fingers you had the anatomical diagram of them up to describe the line of pull with each muscle. It helps a lot to understand where the muscles are attaching to infer what their actions will be.

@makennans 8 месяцев назад

It's definitely a nice study tip to see how most of these names help tell us the action of the muscle.

@HBchun 3 года назад

My hand and wrist flexor and extensor muscles got a workout from taking notes on this video! Crazy that there are so many muscles working together to provide wrist and hand movements!

@DrJacobGoodin 3 года назад

I see what you did there Chris!

@makennakaczmarczyk7563 Год назад

I learned that breaking down the words for each muscles is a key tool in remembering the muscles with their actions!

@catherinegallegos2918 Год назад

There are definitely a lot of muscles in the wrist and hand, but I appreciate you giving tips on how to best study and memorize them!

@nicolelewis3329 2 года назад

Thank you for painting a clear picture of how these muscles work! I think by understanding the roots in their names, it really helps to memorize their primary movement function.

@laurenmayheww 8 месяцев назад

I appreciated walking through the meaning of each name before showing the pictures so that I can visualize where the muscles would be and what they would do since the names are indicative of their location.

@dylanjames8927 Год назад

I liked how you clearly explained the location of each muscle and gave a visual of the muscles action when you were talking about each muscle. It helped me connect from what I was reading on the slide to what the actions really looked like.

@oliviashaw3148 Год назад

Good advice to not just memorize the muscle actions, but to learn how the name can help you tell what their actions are. Also, as per usual with these videos, it was very helpful to have the information organized in such a way that is straight forward.

@Monaz185 8 месяцев назад

I do agree the best way to understand and memorize these muscles are by understanding their names! Very helpful and easy to understand!

@LukeMoore-cx4iz 4 месяца назад

I like how you connected the names of the muscles with what they do. This helps to group muscles together which is better for studying.

@clairemasterson6031 2 года назад

It is definitely nice how the names of the muscles give away a lot of information about them.

@katie6117 8 месяцев назад

This video was a nice review of all the muscles of the hand and wrist. I especially appreciate how it’s organized, very straightforward.

@audreyoates3242 2 года назад

It's very helpful that the location and function go hand in hand with the name! That is super useful in trying to memorize and understand the action, function and location.

@celinegriffin3244 Год назад

I liked the way that you broke down each muscle and then separating between the extensors and the flexor muscles with their actions. It was a great refresher!

@matthewwadley4348 Год назад

The final portion of the video actually helped me really narrow down how to study for these muscles and their actions. Memoriziation has always been a tough thing for me to do for anatomy because of how many different names and functions that there are.

@user-ft4jt4zm7u 4 месяца назад

Having the picture of the muscles action was helpful in studying and remembering the actions

@CarlosRodriguez-yt9rv 2 года назад

Love the way the muscles are named, like the flexor and extensor muscles. Makes it a bit easier to memorize what actions they do!

@delaneyroche227 3 года назад

Its kind of crazy how many muscles are involved in wrist flexion and extension and just all of the movements of the wrist. Our body's are so intricately designed to perform so many functions, its cool to learn about.

@madelinehernandez8838 Год назад

It is so helpful that the muscles have hints in the names, such as flexor digitorum profundus --> flexor finger, deep to the superficialis.

@anthonymartinez8962 2 года назад

I liked how before you dove into the actions of each muscle you broke down some of the names of the muscles which indicated some of the movements it was responsible for, it makes remembering the actions a lot easier!

@lisahopoi9029 Год назад

This video really helps to clarify which muscle groups work together to produce the same actions. There's a lot to learn in this section, but this video related the muscles to each other which will help to memorize it all a bit easier.

@laurenomalley2778 3 года назад

It's really helpful that the names actually give a clue as to wear they cross and are located!

@aliciabaezpelayo1314 Год назад

Breaking down the muscle names is helpful especially when distinguishing which muscles move what. It was also helpful that you separated the muscles by their actions and whether they move the wrist or hand, this is helpful to remember the many different muscles in this section.

@PLNUstephaniekhin 4 месяца назад

I had taken anatomy two years ago so these videos are a very good refresher. I think this is very helpful when having the muscles differentiate.

@jamarmack9626 3 года назад

Learning the different names within the muscle like "carpi" really helps me remember where the muscles are located!

@chasebibbey2539 2 года назад

I really like how the function and location go hand and hand, it makes it easier to remember!

@timnoveda4004 2 года назад

I like how you separated the extensor and flexor muscles when discussing them. I feel like it will help me remember their actions and locations better.

@thelmasepulveda4481 Год назад

I think that despite there being so many muscles in our hand and wrist, the names will help me determine their location and what they do which is super helpful!

@Knepperpepper33 3 года назад

I like how the name can sometimes correlate with its action and the location! Great video!

@ahsaancooke8385 3 года назад

I like how he pointed out the relation between muscles that do finger flexion and how most also do wrist flexion

@braedenmoore3743 2 года назад

These muscles in the wrist and hand I remember being the hardest for me to remember in anatomy last year so this was a good refresher and I'll definitely need to be studying them again.

@analisabaez-pelayo5914 Год назад

I like the way you separated all the muscles and explained little clues to make it easier to know what each muscle does and where you can find it. I like that you emphasized that anything that does finger flexion does wrist flexion and anything that does finger extension also does wrist extension. Great video for studying and remembering these muscles!

@matthewdato 8 месяцев назад

I didn't realize how much muscles are involved in our wrists and hands! It's fascinating though that there's groups of muscles that handle one finger and groups of muscles that do specific actions!

@user-jo6gx5yt4q 4 месяца назад

I thought it was cool how each name tells you it’s action and location. Makes it a lot more easier to remember

@julianasum8481 Год назад

The hand and wrist muscles are complex and can often get very overwhelming. The organization of the muscles, especially the finger muscles was conducive to my learning. Since I interned at a hand therapy clinic over the summer, this video on hand and wrist muscles helped relate to what I learned over the summer.

@ellieconiaris9073 8 месяцев назад

This makes the muscles i knew from anatomy and other KIN classes make a lot more sense and hearing them according to their groups was helpful

@oliviawong7538 8 месяцев назад

I've always had trouble with the muscles of the forearm that act on the wrist and hand joints, but this video has been super helpful in differentiating each one with its actions, origins, and insertions. This is definitely a video I will be coming back to for additional understanding and studying.

@evakoutelieris9550 Год назад

I really liked how for this lecture the muscles were grouped by flexor and extensor it makes it very helpful when trying to connect everything and get a good understanding.

@hannahchacon9621 Год назад

Being able to use my prior knowledge from anatomy definitely helps me understand all the muscle actions better. Its also very helpful that most of the names of these muscles also explain the movement they perform.

@user-iu5ez9tb4u 4 месяца назад

I really enjoy how you seperate each muscle into categories based on their action, it really helps remember them. Also all your explanations of the root words based on origin was very informative.

@user-fj4of3pi1l 8 месяцев назад

The hand muscles are very intertwined but the images and descriptions helped me pick apart each muscle and be able to better identify with the origin and insertion of the muscles. Which also helps a lot with the actions that accompany each muscle.

@Justin-bo4cx 2 года назад

The extensors and flexors all being on corresponding sides with the joint movement makes it a lot simpler to understand!

@colewaclawski540 3 года назад

It is cool that names of the muscles correspond to their location for the most part!

@trevortonge5687 Год назад

Very thankful that the key muscle groups all originate from essentially the same place. It feels so much simpler than areas pf the body like the shoulder where it feels like each muscle originates and inserts in a completely unique place

@emmafrazier204 Год назад

This video was really helpful because the wrist and hand section in anatomy was only briefly covered so there is a lot I do not remember about this section. This video was such a good refresher and really helped me remember things I have forgotten.

@chaseplott3199 Год назад

I found this video interesting because it was more in-depth than the material I learned previously.I briefly went over the muscles in hand for anatomy. The information stuck with me after watching the lecture.

@emilymerkes8707 8 месяцев назад

In this video, Dr. Goodin goes over the muscles of the wrist and fingers and their actions. While discussing the different muscles, he parsed the long names of the muscles which really helped in my understanding of the muscles and will help in memorizing them. One main point I got from it is that all finger flexors/extensors also flex/extend the wrist as they cross the wrist. And some wrist muscles also do weak flexion or extension on the elbow joint.

@zoiezantua7002 Год назад

As challenging as it is to learn these muscles, their names are key in helping me understand what they do.

@luciavaldez2601 Год назад

This muscle description video was super helpful for me. It allowed me to piece together how each muscle group relates to its specific movement. for example, the flexor pollicis longus allows for flexion of the wrist as well as wrist abduction.

@alexissoncrant130 2 года назад

Very beneficial to have the background knowledge that the muscles and their names are directly connected. This will be so helpful when memorizing the different actions of each one

@sofiawallauch1078 Год назад

It was really helpful how you broke down each muscle's name and explained what it meant. For the flexor digitorum superficialis, the word digitiorum relates to digits which means fingers, and the word superficialis means superficial or on the surface.

@SkylervandenBerg 4 месяца назад

I appreciate how you separate the muscles into groups based on similar functions, it makes it easier to study and form mental maps.

@anniederrick5397 Год назад

I always forget there are so many muscles that are involved in movement for the wrist and hand! The names are the key to remembering the actions!

@hunterlong2817 Год назад

Splitting each of the wrist and hand muscles into categories was very helpful, particularly when it came to separating flexors and extensors. For example, grouping wrist flexors on the anteromedial side now help me visualize the location and, by default, function.

@MaryErickson335 8 месяцев назад

It's so nice that the names help to know the location and the action of the muscle. Big thank you to whoever named them!

@NoelleDarquea 4 месяца назад

I have never heard of some of those muscles before, I also didnt know that each one of the muscles could do more than one movement. A lot to learn!

@JamesAdams-fu2lp Год назад

I is super helpful to remember the roots of some of these anatomical terms! For example, remembering that carpi means wrist, digitorum means fingers, and pollicis means thumb.

@KaitlynJungers 9 месяцев назад

This is a great refresher on A&P, however I now understand a bit more about these muscles and their actions.

@jessedemuth4289 Год назад

Wow, there are so many little muscles in the wrist and hand. That was a good tip to think about the name to understand the function.

@macynunez4455 Год назад

The organization of this video really helped me to better understand and categorize each muscle and its actions! I appreciate the names of the muscles and their relation to their location!

@torilucht5871 Год назад

I find this video very helpful because of the breakdown of each muscles and the exact function that they produce. The muscles of the wrist and hand all have names that help describe their function which is helpful when studying.

@maceygroves6031 Год назад

This video was awesome in helping simplify all the wrist and hand muscles. There are so many muscles so it can get really overwhelming but this video made it so much easier to understand.

@calebussery5319 Год назад

I think knowing a framework, like you described, will be super helpful when remembering what muscle is where and what action it performs.

@moirabryson5042 Год назад

There are so many extrinsic muscles of the hand that I think I'm going to have to watch this again as few times before I get the hang of this

@hannahkefalas9995 3 года назад

There are so many muscles!!! It's nice that the names help with remembering the movements.

@brandonkotlarczyk 8 месяцев назад

I feel as if these muscles are not talked about enough and are easier to mix up. Thankfully, this video explains them well and distinguishes between the differences of the muscles in the hand and wrist region.

@natalievandell Год назад

Back when I took anatomy, it was hard not to just memorize muscles and bones -- because there are so many in the human body. However, I like that you said knowing the name of the muscles can help us tell what their actions are. It's a huge hint that I know will help me in the future.

@everoche3754 Год назад

This was a lot of information, but I feel like it was broken down to the point where I can study and master the muscles in the hand which is cool because I use them every day!

@tylernash9933 2 года назад

I got to say it is very helpful using yourself as a diagram in front of you. I will definitely do this moving forward!

@devinito7660 Год назад

There are so many muscles in the wrist and hand, but luckily their actions are pretty easy to follow based on the names

@madelinejewelnebril2871 8 месяцев назад

I really like your tip on memorizing the names to indicate their actions! I found it very helpful to study the muscles and where they would be located.

@maggiewolf5692 Год назад

All of these muscles were familar as we went into great depth in them during anatomy- all i could think about was cat dissection! I thought this video was super informative and I really enjoy learning these wrist and hand muscles because they seem so little but are so useful!

@emmaforney5084 2 года назад

I liked that this video delved deeper into what we learned in BIO 1030. We learned most of these muscles; however, muscles such as the flexor pollicis longus were new!

@EmileeWoods-ho3qm 8 месяцев назад

This video was extremely helpful for me since this is the first time I learned most of the flexor and extensor muscles. It never occurred to me that the finger muscles are attached to wrist muscles as well and this video does an excellent job at explaining these muscles.

@chynnakifer1218 2 года назад

A lot of the muscles sound similar! The way you broke it down so we could understand help a lot to visualize and think about!

@bellakrassow8960 Год назад

There is a ton of muscles in the wrist and fingers that I have never even heard of! Thank you for explaining them all and adding pictures of where they are located. I find it interesting that theres the exact same muscle name and actions but one extensor version and ones flexor version.

@nathanfernandez1568 9 месяцев назад

After watching this lecture video on the muscle actions of the hands and wrist, I found it extremely interesting how the flexor digitorum profundus muscle is responsible for 4 fingers at the metacarpolpharengeal, proximal interpharengeal, and distal interpharengeal joints in addition to flexion of the wrist.

@evaozimec 2 года назад

I found it very helpful when you explained how the names of the muscles indicate to which part of the hand its located on and it also helps me learn their actions.