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Muscle Fibers Explained - Muscle Contraction and Muscle Fiber Anatomy 

PictureFit
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How do muscles work? What exactly is your skeletal muscle system? What are the types of muscles in the human body? Learn about muscle anatomy in this short video!
We look at the different types of Skeletal Striated Muscle Fibers found in the body!
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Опубликовано:

 

10 сен 2024

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Комментарии : 501   
@musicman399
@musicman399 5 лет назад
Woaaah! You just condensed an entire kinesiology chapter in 3 minutes. Well done man!
@deborahbulla5671
@deborahbulla5671 7 лет назад
I teach anatomy and this will be a great tool for my students to use as we learn about the muscle fiber types. Great job!
@PictureFit
@PictureFit 7 лет назад
Great to hear!
@xono9848
@xono9848 8 лет назад
this stuff is GOLD!
@PictureFit
@PictureFit 8 лет назад
Thanks! Was just aiming for silver.
@oscarvietnamflashbacksosca4971
+PictureFit hahah yea thata so funny
@kermylu1
@kermylu1 5 месяцев назад
@@bbillyxgood shit in the hood
@peakperformancetrain
@peakperformancetrain 8 лет назад
That is 20% of exercise physiology class in 1996 !
@Boti98HUN
@Boti98HUN 8 лет назад
lol true dat
@danieldanieldadada
@danieldanieldadada 5 лет назад
that must've been a really tough course about 15 looong minutes to cover ALL the material no way
@itsninixoxo6950
@itsninixoxo6950 8 лет назад
Makes so much sense! I feel more comfortable with lifting weights and sprinting. I like training myType IIx muscle fibers more. & i love how these videos are short yet informative. I'm taking an anatomy class right now :)
@Perseus07av
@Perseus07av 8 лет назад
Actually you probably are using your IIa fibers. The body does not want to naturally want to use IIx fibers. It generally doesn't want to be used unless you were under some high physical stress.
@lilbrocko
@lilbrocko 3 года назад
@@Perseus07av lifting weights is high stress.
@Perseus07av
@Perseus07av 3 года назад
@@lilbrocko yes you are, but it's not an all- in- one Fiber type relationship. The body will pair Type IIa and IIx together and so type IIx does not simple work in isolation.
@Machiumi
@Machiumi 8 лет назад
You sir have just gained a subscriber! Love your vids~
@PictureFit
@PictureFit 8 лет назад
Woohoo, thanks!
@lucaschacon8362
@lucaschacon8362 7 лет назад
PictureFit gainz 💪
@dox4384
@dox4384 4 года назад
You gained another sub by me
@konradstanecki9154
@konradstanecki9154 5 лет назад
Still helping people out! Well done for a short, yet extremely informative video
@njsfer
@njsfer 7 лет назад
Another great video! You forgot to mention that Type I fibers can't be changed into Type II fibers. And since the muscles in our body have more of one type of fibers than the other muscle groups (ex: calves are have more type I fibers than type II) you could make a video explaining that!
@Oracol
@Oracol 7 лет назад
I was always a sprinter as far back as I could remember, and sucked at long distance running. Now as an adult I took a DNA ancestry test, and among other things it told me, just as I suspected, that I'm fast-twitch dominant.
@futurez12
@futurez12 6 лет назад
Me too, I have 2 copies of the fast twitch gene, but it hasn't helped me run fast, and if I were to choose one type of running that I think I'm best at I would've picked long distance. However, if I do exert maximum force my muscles do tend to fatigue quicker than most other people's. I don't know what to believe TBH.
@abdullaalshibli9993
@abdullaalshibli9993 6 лет назад
Woahh I didn't know you can get that tested.
@stanvixxstanbapstantalent
@stanvixxstanbapstantalent 5 лет назад
Ah, could that explain why I've always been so bad at running?
@indianajones5384
@indianajones5384 5 лет назад
Sounds more like an excuse
@indianajones5384
@indianajones5384 5 лет назад
Jackal I bet you’re the type of guy to kiss his dad on the lips 😂
@copernicus99
@copernicus99 8 лет назад
Regarding the size principle: are the muscle fiber types recruited according to load (force) or to effort? If you hold a light weight in an isometric contraction, it gets harder and harder as time goes on-your effort increases even though the load stays the same. As you approach failure you end up recruiting all muscle fiber types. You drop the weight once all fibers are fatigued.
@skandys9847
@skandys9847 8 лет назад
effort matters. not the external weight
@DJ13854
@DJ13854 6 лет назад
Both matter
@stevev4005
@stevev4005 2 года назад
This has been recommended for 3 weeks now. You think RU-vid would think I DONT WANT TO WATCH THIS. love u picturefit
@divanvanniekerk5101
@divanvanniekerk5101 8 лет назад
this guy is awesome😃
@PictureFit
@PictureFit 8 лет назад
YEA!
@captainprice120338
@captainprice120338 7 лет назад
PictureFit Can u explain Thermogenics and CLA benefits? with and with exercise? Thanks..
@robertdicke7249
@robertdicke7249 7 лет назад
*I have a question*, lets say you have been doing slow reps since you started or genetically speaking its possible you have more slow twitch fibers by default. You want to hit the type 2 a and x fibers with fast reps but they are less conditioned as a result of your training and/or genetics. If my understanding is correct then your ability to lift more weight is more dependent on your slow twitch muscles as they make up an unusually large amount of your power out put and thus you have a hard time lifting heavier weights fast in order to hit the other types. Like I said I'm not sure if the assumption of mine is correct but if this is why I have a hard time doing fast reps at heavy weights can I hit the type 2 muscles fibers better if I take the weight down bunch more notches and lift it faster? If not how can I get fix this? Perhaps its in my head, I just want the most I can get.
@madabz81
@madabz81 7 лет назад
Robert Dicke lift moderately heavy with compound lifts short recoveries your tempo should not be fast but at a constant fluid motion while performing the exercise 8-12 reps 60-80% of how much you can lift is good start then try and go for 12-15 reps after a couple of weeks. Learn sprinting drills and techniques start incorporating them into your cardio routine hope this helps
@madabz81
@madabz81 7 лет назад
Robert Dicke and one more thing, if you cannot perform compound lifts with good form you may suffer muscle imbalances and still may need a trainer to aide in instructing some corrective exercises not to mention foam rolling, stretching and knowing how and when to start and stop your deloads
@dtaylor4200
@dtaylor4200 4 года назад
This makes so much more sense to me now than when I read it in the textbook. Thank you!
@rezielbelgira8482
@rezielbelgira8482 4 года назад
brief and easy to understand.
@tylerbray3902
@tylerbray3902 8 лет назад
I really enjoy how in depth your videos are. Lots of information covered :) subscribed!
@PictureFit
@PictureFit 8 лет назад
+Tyler Bray Thank you for the support!
@V.sudhakarV.sudhakar-fy5op
@V.sudhakarV.sudhakar-fy5op 5 месяцев назад
This is very helpful and deficial Thank you. "You explained so well and easy to understand..
@aurelie3504
@aurelie3504 9 лет назад
Good! Keep doing videos! They are very interesting!
@PictureFit
@PictureFit 9 лет назад
Aurelie Correia Thank you!
@itsgwolf
@itsgwolf Год назад
MJ says thank you for the infomation 👍
@howtotech7203
@howtotech7203 6 лет назад
Best channel on RU-vid. Period.
@jaymie-leacollingwood2753
@jaymie-leacollingwood2753 6 лет назад
THIS IS A FANTASTIC VIDEO!! THANKYOU!!!
@ariannarivera6504
@ariannarivera6504 6 лет назад
covered everything I needed to know for anatomy.. please make more videos!!
@PictureFit
@PictureFit 6 лет назад
Hah, I'll try!
@lemmegetuhh362
@lemmegetuhh362 6 лет назад
Wait so every skeletal muscle has some of each fiber type in it? What does the distribution look like? So my bicep would have all three but more of the type II-x????
@Louis-qo7tf
@Louis-qo7tf 3 года назад
about a third each, thats why you should train heavy explosive and light controlled to maximise gainzzz
@mahmoudfathy2074
@mahmoudfathy2074 8 лет назад
Type II x all the way
@toxicmoocow72
@toxicmoocow72 7 лет назад
Good job on your videos! keep up your good work and don't give up. I hope your videos gets the popularity they deserve.
@beatrizsabarre1263
@beatrizsabarre1263 6 лет назад
Thank you, thank you... You explained it so well and easy to understand
@abnelacevedo7590
@abnelacevedo7590 4 года назад
This really helped out to understand this course in my personal training class
@christiannader2854
@christiannader2854 5 лет назад
un believably educative and informative. THANK YOU
@BenDover-fj9ff
@BenDover-fj9ff 8 лет назад
A fitness version asapscienc. Best channel for exercising scientifically
@kellythayer3204
@kellythayer3204 7 лет назад
Thank you, thank you, thank you!!
@gfpv5795
@gfpv5795 7 лет назад
Great explanation.
@amalyagoub1560
@amalyagoub1560 5 лет назад
This is very helpful and beneficial thank you.
@kellystarnes2715
@kellystarnes2715 8 лет назад
I love this! Very creative and super pleasant to follow! Thanks!
@PictureFit
@PictureFit 8 лет назад
+Kelly Starnes You're very welcome =)
@SA1MANOFFICIAL
@SA1MANOFFICIAL 8 лет назад
best channel of Fitness
@tqdmrme
@tqdmrme 7 лет назад
Your channel is pure gold man; you're a legend! Can you please make a video about how exactly hypertrophy takes place? What exactly happens in the muscle while working out which makes it grow bigger?
@PictureFit
@PictureFit 7 лет назад
It's a lot of science-y stuff. Lots of cell activation. Things like proliferation and differentiation take place. Nuclei are added. etc etc. I would love to but I wouldn't know when I will have the time to break down a video like this.
@tqdmrme
@tqdmrme 7 лет назад
PictureFit Fair enough man I appreciate it anyway! If you ever do find the time I'm sure it would be an awesome video; even if you only go over the concepts of muscle damage, mechanical tension and metabolic stress via exercise. Thanks anyway and keep the great videos coming!
@rubymendez388
@rubymendez388 8 лет назад
I enjoy watching your videos. I am a visual learner and your illustrations are really fun to watch and learn. Appricciate it! Don't stop your vids. Keep 'em coming! lol
@PictureFit
@PictureFit 8 лет назад
+Ruby-J. Mendez Will do, and thanks!
@ManlyMartian
@ManlyMartian 8 лет назад
thanks for the upload. this helped me for my anatomy class.
@AbhijeetSingh-nm2ll
@AbhijeetSingh-nm2ll 6 лет назад
Well if u go to deep cardiac and smooth muscles are involuntary but both do not work on their own. Only cardiac muscles are autonomous (can regulate themselves) and smooth muscles are under the control of the ANS
@yodaguy6956
@yodaguy6956 5 лет назад
Excellent video , I've found this is one of the most overlooked and misunderstood principles for many people looking to gain muscle mass.
@youluvjango3237
@youluvjango3237 5 лет назад
I play a lot of basketball and row at the gym so I think more Type II muscles since I only do short 1 minute bursts of rowing and a lot of short burst of movement for basketball
@chocove6
@chocove6 7 лет назад
wow. very detailed yet simply explained. thanks
@PictureFit
@PictureFit 7 лет назад
My pleasure!
@Roshmore7
@Roshmore7 2 года назад
The more I learn about the human body the more I marvel about the astuteness and brilliance of the designer behind it, whether it’s God or Nature!
@PbVeritas
@PbVeritas 8 лет назад
Seriously, each video is better than the one before. Great work! So much knowledge! But how do you know all this? Are you a certified trainer? A Well-informed enthusiast? A Teacher?
@PictureFit
@PictureFit 8 лет назад
+PbVeritas A little bit of everything ;)
@BlackDiamondosMC
@BlackDiamondosMC 8 лет назад
His videos are intricately detailed and really help, unlike other mediocre videos.
@doubleriee17
@doubleriee17 6 лет назад
What would be the type of trainings for increasing oxygen capacity of the type 2X muscle fibers? Endurance, HIIT, Lactate Threshold, or power lifting?
@jenniferbranagan
@jenniferbranagan 8 лет назад
Thank you this was very helpful. Love how you made the video colorful
@jhstylewon1172
@jhstylewon1172 8 лет назад
Probably the most easiest way for me learn about this. Thank you and I hope you make more videos
@PictureFit
@PictureFit 8 лет назад
+J.H.Thomas Won More videos coming soon =) Thank you for watching! Please share any other video topics you would like to see.
@susoboxfit
@susoboxfit Год назад
this is literally how i understand the difference between the fiber types
@skylerheitz4791
@skylerheitz4791 4 года назад
you, my sir, are a god send
@zzombiexattack
@zzombiexattack 6 лет назад
Thank you so much for this easy to understand video..you summarized a whole chapter for me in 3 minutes !!
@nouhailamalid887
@nouhailamalid887 8 лет назад
You really deserve more recognition for your effort..
@PictureFit
@PictureFit 8 лет назад
Thanks!
@rowenah.gonzales7922
@rowenah.gonzales7922 3 года назад
Thank you very much ! I love the presentation !
@jacobfeldman1994
@jacobfeldman1994 2 года назад
Bro fantastic like really fantastic ! Well put and clear info. You really nailed this!
@thewanderboyjitinraj9010
@thewanderboyjitinraj9010 6 лет назад
This channel is gold..!! Great amount of information for fitness enthusiasts.. Thanks this very helpful..!!
@luiluzana138
@luiluzana138 9 месяцев назад
Watched this when it came out when I was just getting out of middle school, now I see it posted into my University class for exams. Wild circle
@aliabdelnaeem3438
@aliabdelnaeem3438 6 лет назад
Thank you very very much
@user-lg6lf8hu9c
@user-lg6lf8hu9c 6 лет назад
It's very helpful to me! When i saw this movie, i understand about muscle fiber! Thank you very much!!
@ramiroreyesduarte7358
@ramiroreyesduarte7358 3 года назад
Very useful thank you
@falnixvalencroth
@falnixvalencroth 8 лет назад
Picture Fit; this was very informative. I highly appreciate your efforts!
@TheRocketbarrel
@TheRocketbarrel 8 лет назад
good job fam, your helping me understand my anatomy classes a bit more
@PictureFit
@PictureFit 8 лет назад
+Noel Gonzalez Keep it up!
@SquatFull
@SquatFull 8 лет назад
Great review on muscle fibers
@mikepetitti
@mikepetitti 5 лет назад
This is an excellent video - clear and concise. Well done!
@thahypeizreel
@thahypeizreel 7 лет назад
Good shit man..
@lalitos1004c
@lalitos1004c 8 лет назад
I was having a hard time understanding this whole thing! now I get it! thank you
@boi5079
@boi5079 6 лет назад
This Channel reminds me of asap science. Its like Asap Fitness
@underkill1854
@underkill1854 6 лет назад
I train my type IIx fiber for sprintng
@Justin0
@Justin0 8 лет назад
These are great. Keep them coming.
@crazsilversc2884
@crazsilversc2884 3 года назад
I wish you had more videos on anatomy and physiology
@codeman7055
@codeman7055 3 года назад
Would love to see a video of acceleration
@echolife2809
@echolife2809 3 года назад
Awesome video!
@naushikha
@naushikha 7 лет назад
keep sharing these awesome stuff ! ❤
@markodjurdjevic8841
@markodjurdjevic8841 7 лет назад
any way that we can determine how much we have geneticly?
@jabirbinkabir3168
@jabirbinkabir3168 3 года назад
Really helpful for me tnqu
@bushidofreakz
@bushidofreakz 6 лет назад
Since my purpose is to have stamina & strength endurance, I'm training for type I and type IIa mostly, thru exercises such as long distance running 🏃🏻 and sometimes hiking. Now I'm thinking that somehow I have to train for type IIx as well, so that aesthetically, I'd look better while having adequate strength as well
@danidaniel379
@danidaniel379 7 лет назад
i´ve changed my fibers type, when I was 15 to 16 years old I only did jogging and swimming and when I was 17 y I started with resistence traning and sprints. Now im 18-19 I´m bigger and stronger I feel amaizing everything I eat are gains
@mkmklewis
@mkmklewis 6 лет назад
Holy s*** you're so awesome I wish I wasn't so poor so I can donate to you or something. I appreciate all the videos you put up
@rahuln1358
@rahuln1358 6 лет назад
pls make a video on which is better to build leg miscles, squat or sprints.. thx
@sarahgroleau4127
@sarahgroleau4127 6 лет назад
excellent video ! very useful, thank you for sharing.
@alexanderflieger8095
@alexanderflieger8095 8 лет назад
I feel like I got the understanding of this. And I would have to say my type are very equal. due to I am able to move pretty fast and my endurance is on par with it.
@iraqnorth
@iraqnorth 7 лет назад
I loved this video
@PictureFit
@PictureFit 7 лет назад
Thanks!
@iraqnorth
@iraqnorth 7 лет назад
your welcome! :)
@kngcobragameing3838
@kngcobragameing3838 6 лет назад
i think i train type IIa the most because i normally jog the mile but iam even done before anyone else...
@aibaek8846
@aibaek8846 6 лет назад
thank you soo much
@Texaras05
@Texaras05 7 лет назад
I play rugby and we have lot of sprints and we have to make powerful tackles so i believe that I train more the type Type IIx.
@mosidada1259
@mosidada1259 7 лет назад
your channel is really informative and useful,thanks a lot.
@PictureFit
@PictureFit 7 лет назад
Thanks!
@brandongonzales4744
@brandongonzales4744 7 лет назад
I do dragon flags with 20pound or more ankle weights. I do handstand pushups. plus my job requires me to be on my feet all day from 6 am - 4 pm 45 minute walk to home
@runningfullife_4runners
@runningfullife_4runners 7 лет назад
your video is really helpful. Very easy to understand! Thank you so much
@PictureFit
@PictureFit 7 лет назад
My pleasure!
@user-ud6xw3js3r
@user-ud6xw3js3r 2 года назад
It's worth mentioning that more power doesn't mean more strength. More power means the maximum strength output will be reached faster, but once the slow twitch fibers peak the strength output is basically the same. I.e if you're benching by the time the bar is in the bottom half of the movement all muscle fibers are recruited to their maximum from just holding the weight. So when you're pressing up the amount of force would be the same whether you hypothetically had all type 1 or type 2 fibers. Type 2 fibers however respond better to training and can grow more in size
@brandonhernandez2064
@brandonhernandez2064 7 лет назад
I freaken love this guys videos!
@neele17t
@neele17t 9 лет назад
Hi, nice videos.. keep making more of these kinds :)
@edbxp
@edbxp 6 лет назад
You are so smart!😀
@Ninjalexander
@Ninjalexander 8 лет назад
Type II x only if i am honest there. We had to learn this in our Dojo when visiting a seminar. Does your genetic pool determine the actual "fun" you have on those activities? In case I am the ectomorph bodytype i like moving really fast a lot, which means i automatically build up more T2x muscle fibers?
@janowens7610
@janowens7610 7 лет назад
That was the info density-richest 3:13 minutes I've spent in ages!
@PictureFit
@PictureFit 7 лет назад
Awesome!
@TheGL1005
@TheGL1005 8 лет назад
Well done! Really great and easy to understand . Keep it going.
@PictureFit
@PictureFit 8 лет назад
+TheGL1005 Thank you and will do! If you have any other video suggestions, please feel free to share!
@benkoehler151
@benkoehler151 7 лет назад
what a great channel! very informative and easy to understand! keep it up!
@PictureFit
@PictureFit 7 лет назад
Thanks!
@AlanaGurl
@AlanaGurl 8 лет назад
Wonderful video
@PictureFit
@PictureFit 8 лет назад
+Ang Jo Thank you! Any other topics you might be interested in seeing in a future video?
@AlanaGurl
@AlanaGurl 8 лет назад
Picture Fit You're quite welcome! And sure. Maybe you can do one about "top fitness questions", or anything else about movements in the body. Or anything you want! Whatever you choose, I'll be sure to check out. I subbed! And thanks for responding!
@PictureFit
@PictureFit 8 лет назад
We are looking into utilizing "top" lists in the very near future. Thanks for the input as always and thank you for subscribing! Hope to hear more great ideas from you!
@Ben_Dover15
@Ben_Dover15 7 лет назад
Can you do a video on testosterone, I know you've touched on it but could you look at what causes low test levels, how to raise them naturally or supplements that might raise them
@chriscabaloza5475
@chriscabaloza5475 6 лет назад
how do you know what kind of muscle fiber you have ?
@kristhelabad2541
@kristhelabad2541 2 года назад
the hand edit is distracting me but the content is great.
@anthonytran5692
@anthonytran5692 6 лет назад
Do a video about anti inflammatory drugs
@isaiahhaas2293
@isaiahhaas2293 9 лет назад
this is amazing thanks man
@andrewloera5641
@andrewloera5641 6 лет назад
I use my smooth muscles the most in my digestive tract
@nickwalker7850
@nickwalker7850 7 лет назад
Type 2a. Thx for posting. :)
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