Overview of the Musculoskeletal System, Animation
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- Опубліковано 8 вер 2024
- (USMLE topics) Bone tissue, bone remodeling, synovial joint, muscle tissue, common musculoskeletal disorders.
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Voice by: Ashley Fleming
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The musculoskeletal system provides mechanical support for the body, protects internal organs and permits movement. It is composed of bones, cartilage, skeletal muscles, joints, and connective tissues such as tendons and ligaments. Bones also serve as the body’s main mineral reservoir, they store calcium and phosphate and release them according to the body’s needs. Red bone marrow is the body’s production center for blood cells.
The central nervous system controls body movements by stimulating skeletal muscles to contract. Contraction of skeletal muscles moves bones, which act as levers. Bones articulate with each other through joints. Cartilage provides padding for the ends of bones within joints. Muscles are connected to bones by tendons, while bones are held together by ligaments.
Bones are classified according to their shapes and corresponding functions: long bones are responsible for most body movements; short bones provide some limited motion; while flat bones and irregular bones are mainly protective and supportive.
The bone tissue, or osseous tissue, is composed of bone cells and a characteristic extracellular matrix. Bone matrix is made of an organic component, mainly collagen, and an inorganic component of minerals, mainly calcium. Collagen gives bones flexibility while calcium provides stiffness. Without calcium, bones would be soft and bend easily. On the other hand, without collagen, bones would be brittle like chalk.
Bones renew and remodel throughout a person’s life in a process known as bone remodeling. Bone remodeling serves to re-shape bones to adjust to changing mechanical needs and to repair everyday micro-damages as well as fractures following injuries. This process also underlies the mechanism by which the constant levels of plasma calcium and phosphate are maintained. Bone remodeling is performed by 2 types of cells: osteoclasts, which dissolve bone matrix, and osteoblasts, which deposit new matrix around themselves to form new bone tissue. Bone remodeling is under control of complex signaling pathways. Major regulators include parathyroid hormone, vitamin D, growth hormones, glucocorticoids, thyroid hormones, estrogen, testosterone.
The most common bone disease is osteoporosis, or porous bone, in which bones lose mass and weaken, increasing risks of fractures. Osteoporosis is commonly due to old age and some other unavoidable factors, but can also develop from by hormone imbalances, deficiencies in calcium, vitamin D or proteins, and sedentary lifestyles.
The most common and also most movable type of joint is synovial joint. The bones of a synovial joint are separated by a cavity containing synovial fluid, which serves as lubricant. Together, the fluid and the cartilage that lines the bone surfaces make the movements at synovial joints almost friction-free. There are also small fibrous sacs containing synovial fluid, called bursae, located between muscles, or between a tendon and a bone. Bursae cushion muscle movements and help tendons slide smoothly over the joints.
The most common disease of joints is arthritis. There are 2 main types of arthritis:
- Osteoarthritis, or degenerative joint disease. Osteoarthritis is characterized by loss of cartilage, bone spurring and no major inflammation.
- Rheumatoid arthritis is a result of joint inflammation, with immune cells and inflammatory chemicals causing damage to the joint.
Muscular tissue consists of specialized muscle cells, called muscle fibers, which are bundled into fascicles. Muscle fibers, fascicles and whole muscles are wrapped in layers of connective tissue, which provides support and protection. Fascicle arrangement determines the strength of a muscle and the direction it pulls. Most common muscle disorders are caused by injury or overuse, and include sprains, strains, cramps, and tendinitis.
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how did she explain everything you need to know about the musculoskeletal system in 5 minutes & nailed it, i dont know, absolutely amazing!
I had a test on this , I forgot to study , I watched this video and i got a 100 thank you 💕
I am teaching this to Middle Schoolers and this is perfect for them. It lays out the basics clearly for them and talks about things they will encounter in their real life (like sprains/strains and arthritis.
My teacher is teaching them to us, too. And we're high schoolers
@@wetershinobi4111 college lmaoooooo
I learn this in uni - Medicine 🤣
😅who got test tomorrow
Clever bastard. You got me😂
Bone OSCE tomorrow😂 but I studied. Just making sure I didn't leave anything out
🤣
@@thewhiteknight9923 as true as fuck 😜😜
🙈
Today, actually😂
So this is why my neck hurts and my kidneys started failing again. I'll be dogone. That's why blood work shows low co2, and i bet this why my sinuses are acting up. And why im always couching up phlegm. Im about to start tapping my mouth at night so i can breathe through my nose to increase co2 and do breathing exercises throughout the day. I believe my vision is affected by all this too. So amazing the way the human body is connected. Thanks for the information ❤❤
Yes! Keep popping out overviews
Thank you, this taught me alot in science
omg i love your content
You're very welcome!
thank you so much i understand this course in 5 minutes
Very good summary
Thank you for giving me your important time 😊
Great video to start MSK block. Thanks
Owhh asignment..saya berada disini sebb tugasan🤗
Excellent lecture
Its our topic tomorrow in science thx for the tips 😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁😁
Good job.
I find this very useful
Absolutly amazing this’ll be usefull for my quiz. You nailed!👏
So glad!
😊I’m teaching this today in my medical school
You happen to know how to better it? Thx
Very Informative and easy to understand
im learning so much
Thnks to you Alila Medical Media i love your videos
You guys are my life saver! ❤
This is amazing thank you so much
Awesome...👍👍👍
3:07
Wow! What a Save! What a Save!
wonderful video. nutshell explanation
Nice understand
Most helpful
Helpful
Thank you it helped me !
Thank you useful
Nice
For me it is hard to understand because I know only hindi....but still I watch videos in slow speed and can understand 😰😰😰
Hello, do you go too college or university? I am a University nursing student. If you give me your email then I'll can send you notes on the musculoskeletal system. They will be in english though. I don't know hindi but i know punjabi and urdu which is similar to hindi. I can understand hindi but i cant speak it or write it. I am using google translate to put this comment into hindi so u can understand what I am saying.
Hello, क्या आप कॉलेज या विश्वविद्यालय जाते हैं? मैं एक विश्वविद्यालय नर्सिंग छात्र हूं। यदि आप मुझे अपना ईमेल देते हैं तो मैं आपको मस्कुलोस्केलेटल सिस्टम पर नोट्स भेज सकता हूं। वे हालांकि अंग्रेजी में होंगे। मैं हिंदी नहीं जानता, लेकिन मैं अंग्रेजी, पंजाबी और उर्दू जानता हूं, जो हिंदी के समान है। मैं हिंदी समझ सकता हूं, लेकिन मैं इसे बोल या लिख नहीं सकता। मैं हिंदी में इस टिप्पणी को डालने के लिए Google अनुवाद का उपयोग कर रहा हूं ताकि आप समझ सकें कि मैं क्या कह रहा हूं।
Hello, kya aap kolej ya vishvavidyaalay jaate hain? main ek vishvavidyaalay narsing chhaatr hoon. yadi aap mujhe apana eemel dete hain to main aapako maskuloskeletal sistam par nots bhej sakata hoon. ve haalaanki angrejee mein honge. main hindee nahin jaanata, lekin main angrejee, panjaabee aur urdoo jaanata hoon, jo hindee ke samaan hai. main hindee samajh sakata hoon, lekin main ise bol ya likh nahin sakata. main hindee mein is tippanee ko daalane ke lie googlai anuvaad ka upayog kar raha hoon taaki aap samajh saken ki main kya kah raha hoon.
I am from 4 class
Bruh
ब्रू, वाह मैं अनुमान लगा रहा हूं कि आपने गूगल ट्रांसलेट का इस्तेमाल किया है लेकिन आप हिंदी में नहीं बोल सकते
broo, vaah main anumaan laga raha hoon ki aapane googal traansalet ka istemaal kiya hai lekin aap hindee mein nahin bol sakate
Bruh which class are you class 1?
Awesome
- Ignore this comment 🔥🔥
1. What are the main function of Muscockeletal System?
2. What part of the body is reaponsible for the production of blood cells?
3. Write the function of the following parts:
• Joints =
• Tendon =
• Cartilage =
• Ligaments =
• Synovial Joint =
4. What are the different classification of bones?
5. What are the different disorders or diseases under Muscoskeletal System?
I understand 🥰
KILLER QUEEN! ONE BITES THE DUSTO
nice video
im surprise how everything i need to know is in 5 min video, while reading a book took me 30-1 hour
I had a test on this , I forgot to study , I watched this video and i got a 0 thank you 💕
LMAO 10/10 comment
Is there ways to fix or better your muscle skeleton system?
Any 5B?
Is there ways for it to get better?
No body got test tomorrow
Kinsa mga taga CMU diri nga ga-tan-aw ani para quiz nila's PE?
Teacher now during Quarantine podting this
thats why im watching this
@@rei_katsuki9950 me too, junior high teacher makes us memorize every single bone
Me I had Science test 2nd Grading tomorrow
Who knows what specific software is used to create this animation ?
homopoeisis phosphate calcium
tendon logaments joint csrtilage bursae
matrix made up of
osteoarthritis
osteoporousis
rheumatoid
muscle fibers
fascicles
connrctive tiddue perimysium endomysium
online classes brought me here
halo anak pradita dirgantara
0:03
what about being a simp, wouldn't you have more osteoporosis
me online scool
No me sirve este video m voy a ver otro😶
Who’s got a quiz tomorrow 😂
Exam h bro 😅😂
I don't know bount them I no bount me
2:14
The tumbnail💀
tanks dude
me ethan lololololo they let me serch
Da
Meeee
Me
ahhaha
A
Hi uglies
Hi
Excellent lecture
I had a test on this , I forgot to study , I watched this video and i got a 100 thank you 💕
u copied a comment and pasted it
nani?
Meeee
I had a test on this , I forgot to study , I watched this video and i got a 100 thank you 💕