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Sarcoplasmic vs. Myofibrillar Hypertrophy


Studying for the CSCS Exam? CSCS Prep Course: 🤍 150 Question CSCS Practice Test: 🤍 👇🏽Click here to Join the Strength and Conditioning Study Group on Facebook! 🤍 Shoutout to Greg Nuckols for this great article on Sarcoplasmic vs Myofibrillar Hypertrophy that was very helpful in creating this video: 🤍 Make sure you check out some of the other CSCS Prep Videos I have done: CSCS Nutrition: 🤍 CSCS Work to Rest Ratios: 🤍 Muscle Levers: 🤍 Olympic Lifting Technique: Comment below if you have any questions! 🧠 Learn more at 🤍 This is the CSCS Practice Test that I recommend: 🤍 Disclaimer: This video does not have any affiliation with, or any recognition, sponsorship, or endorsement by, the NSCA. CSCS® and Certified Strength and Conditioning Specialist® are registered trademarks of the National Strength and Conditioning Association. ✅ Let’s Connect: 📱 Instagram: 🤍themovementsystem

Sarcoplasmic Reticulum and T Tubules


Troponin, Tropomyosin, T-Tubules, Sarcoplasmic Reticulum, and the Neuromuscular junction (NMJ)


Troponin, Tropomyosin, Transverse (T) Tubules, Sarcoplasmic Reticulum, and the Neuromuscular junction (NMJ) | Physiology Lecture. Muscle Structures | Actin, Myosin | I band, A band, H zone, M line | Physiology Lectures…Muscle, muscle fibers, myofibrils, myofilaments (thin filaments, and thick filaments). 🧪Acid-Base Course: 🤍 📝 Nerve Physiology Notes: 🤍 🤒 Autacoids Pharmacology Course: 🤍 ⁉️ Questions and Answers: 🤍 📝 Notes: 🤍 🗳 Complete the Survey: 🤍 💊🦠 Antibiotics Course: 🤍 📊 My favorite Productivity App (Airtable): 🤍 Anesthesiology Playlist: 🤍 🧪Acid-Base Course: 🤍 🧠Autonomic Pharmacology Course: 🤍 🎁Free Stuff: 🤍 💊 Antibiotics Lectures: 🤍 📚 Sapira’s Art And Science of Bedside Diagnosis: 🤍 🧠 CNS Pharmacology Course: 🤍 👨‍🏫 Watch the first lecture of my CNS Pharmacology Course: 🤍 🧪 Electrolytes Videos: 🤍 💊 Antibiotics Lectures: 🤍 💊 Pharmacology Lectures: 🤍 😍🖼Animated Mnemonics (Picmonic): 🤍 ► 🧠 Physiology Playlist: 🤍 ► 🩸 hematology videos: 🤍 ► 😍 Support me on Patreon: 🤍 ► 🥰 Support me on PayPal: 🤍 ► 😚 Join my Channel on YouTube: 🤍 ► 👨‍🏫 All of my premium courses are ON SALE: 🤍 ► ❤️ Cardiac Pharmacology: 🤍 📚 Recommended Books: 🤍 ► ❓If you have any questions, please email me at: medicosisperfectionalis🤍 ► 💪 Rheumatology: 🤍 🗳 Complete the Survey: 🤍 🎁 Small gift: here are 2 FREE audiobooks from Audible 🤍 📖 Try Amazon Kindle unlimited for FREE, they have some good medical books that you can read for FREE. 🤍 If you have joined my channel on youtube (the join button that's next to the subscribe button), then go to the "community tab" and you will find some member-only posts. ►Website: 🤍 ►Patreon: 🤍 ►YouTube: 🤍 or: ► Like my page on Facebook 🤍 ►Follow us on Instagram here: 🤍 or 🤍 ►PayPal: 🤍 ►Venmo: 🤍medicosis ►Facebook: 🤍 ►Twitter: 🤍 ►SoundCloud: 🤍 ►TikTok: 🤍🤍medicosisp/ ►LinkedIn: ►Snapchat: 🤍 ►Pinterest: 🤍 ►Telegram: 🤍 ►Rumble: 🤍 ► Tumblr: 🤍 Thank you so much for supporting my channel! Love ❤️. Happy studying!! 😍🖼Animated Mnemonics (Picmonic): 🤍 📱Save on your mobile phone bill: 🤍 📊 My favorite Productivity Apps: 🤍 🏦 Qbank (TrueLearn): 🤍

The Science of Sarcoplasmic Hypertrophy (What, How, and Why)


0:00 Intro 0:16 What is Sarcoplasmic Hypertrophy? 2:04 Can You Train For Sarcoplasmic Hypertrophy? 4:10 What Causes Sarcoplasmic Hypertrophy? 12:55 Why Does Sarcoplasmic Hypertrophy Occur? 22:46 The Role of Anabolic Steroids 25:11 Takeaway For all the references of this video, they can be easily located on this article version of the video: 🤍 Music: 1) L'Indécis - Soulful 🤍 2) Blue Wednesday, Yasper - Mother Nature 🤍 - 🤍 - 🤍

What is a Sarcoplasmic Reticulum?


What is a Sarcoplasmic Reticulum? Sarcoplasmic ... what? I know it's a long word, but it doesn't have to be scary. In this answer the question "What is a Sarcoplasmic Reticulum?" but in layman's terms. Explaining just the things you need to know for your Level 3 Anatomy and Physiology Exam If you watch until the end of the video then i have a special download for you too. Learning Point 1: Where is it? Let's have a quick recap of the sliding filament theory and structure of a muscle. The myofilaments, called actin and myosin, make up the sarcomere. A long row of sarcomeres makes up a muscle fibre or myofibril. The sarcoplasmic Reticulum surrounds each muscle fibre like a net. You can see it in this image as a blue river around the muscle fibre Learning Point 2: What is the Sarcoplasmic Reticulum? Essentially the sarcoplasmic reticulum stores and releases calcium for muscle contractions. If the words still seem to be a little daunting and confusing then breaking them down can help reinforce the name and the meaning. Sarco = Muscle Plasmic = Liquid Reticulum = Net like structure TOP TIP : The main thing you need to know for your Level 3 Anatomy and Physiology Exam is that the Sarcoplasmic Reticulum is responsible for the storage and the releasing of calcium; which is important for muscle contractions. Now you know everything you need to know about the sarcoplasmic reticulum, let's test your knowledge, with this Level 3 Anatomy and physiology Mock Question What Mineral is stored in the Sarcoplasmic Reticulum? A. Calcium B. Magnesium C. Potassium D. Sodium Pop a comment with your answer below, and then watch the video for the answer. If you want more mock questions for your Level 3 Anatomy and Physiology exam, then click the link to download 101 mock questions, to help you prepare. 🤍 Please leave a comment below telling us which learning point was most helpful. I’m looking forward to reading and replying to your comments below. If you liked this video make sure you hit like, share with your friends and be sure to subscribe to our Channel. Thank you for watching See you on the next video Hayley Parallel Coaching You can also find us on the following platforms: Instagram: 🤍 Facebook: 🤍 Twitter: 🤍 YouTube Channel: 🤍 This video is here: 🤍 What is a Sarcoplasmic Reticulum, Sarcoplasmic Reticulum, calcium, muscle contractions, muscles, muscle structure, sliding filament theory, Anatomy and Physiology, Anatomy and Physiology Exam Revision,

Episode 21 - Myofibrillar vs Sarcoplasmic Hypertrophy


This weeks episode is a solo one with Paul. He discusses the differences between myofibrillar and sarcoplasmic hypertrophy training. Both build muscle but which one is better for you? He also touches on the overcomplexities of biomechanics and "science" based workouts.

Role of the sarcoplasmic reticulum in muscle cells | NCLEX-RN | Khan Academy


Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: 🤍 The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell. Created by Sal Khan. Watch the next lesson: 🤍 Missed the previous lesson? 🤍 NCLEX-RN on Khan Academy: A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at 🤍 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s NCLEX-RN channel: 🤍 Subscribe to Khan Academy: 🤍

Sarcoplasmic vs Myofibrillar Hypertrophy/Packing (33 STUDIES)


0:00 Intro 0:35 Structure of a Muscle 1:09 Definitions 3:49 How Researchers Assess if Myofibrillar Hypertrophy, Sarcoplasmic Hypertrophy, or Myofibrillar Packing Occurs 12:25 Myofibrillar Hypertrophy Research 14:20 Sarcoplasmic Hypertrophy Research 16:33 Myofibrillar Packing Research 17:53 Can You Train for Either Myofibrillar Hypertrophy, Sarcoplasmic Hypertrophy, or Myofibrillar Packing? 19:50 Conclusion & Summary For all the references of this video, visit the article version of this video: 🤍 Music: 1) Ruck P - A Tribe Called Tenz Copyright Chillhop Music - 🤍 🤍 2) weird inside - Wrong Way 🤍 - 🤍

How Do Muscles Grow? Sarcoplasmic and Myofibrillar Growth


Here is an article with more information if you need it: 🤍 Thank you for watching, let me know what you think in the comments! ♥

Hyperplasia, Sarcoplasmic Hypertrophy, & Myofibrillar Hypertrophy


⚡ Welcome to Catalyst University! I am Kevin Tokoph, PT, DPT. I hope you enjoy the video! Please leave a like and subscribe! 🙏 INSTAGRAM | 🤍thecatalystuniversity Follow me on Instagram 🤍thecatalystuniversity for additional helpful content and for my more fun side: Pets, Workouts, Dragon Ball Z SleepPhones® | Need to Relax? Ocean waves, ASMR, Rainstorms, and Theta Waves while you sleep with SleepPhones® at this link: 🤍 - Use the Coupon Code, “CatalystRelax”, at the checkout for some awesome savings. More details here in my new video: 🤍 MERCHANDISE Be sure to check out custom Catalyst University merchandise! LINK | 🤍 PATREON LINK | 🤍 EXTRA TAGS Kevin Tokoph Tokoph Catalyst University Biology Biochemistry Anatomy and Physiology Anatomy Physiology USMLE NPTE Medical school Med school Physical therapy PT school Crash course Tutorial Psychometrics Sensitivity Specificity Special test Demonstration Cervical spine Thoracic spine Lumbar spine Low back pain Chiropractic Chiropractor Chiropractic adjustment Technique Manipulation Muscle Origin Insertion Action Innervation Blood supply Nerve Brain Spinal cord Treatment Therapeutic Exercise TherEx Therapeutic Activity TherAc Neuromuscular Neuromuscular Reeducation Modalities

Muscle Confusion Produces Sarcoplasmic Hypertrophy (New Study)


References: Clip of Arnold - 🤍 Fox et al. - 🤍 Damas et al. - 🤍 Lopez et al. - 🤍 Schoenfeld et al. - 🤍 Aube et al. - 🤍 Yu et al. (muscle fibers can swell in response to damage) -🤍 Music: 1) Song L'Indécis - Soulful 🤍 - 🤍 2) Blue Wednesday, Yasper - Mother Nature 🤍 - 🤍 - 🤍

Myofibrillar hypertrophy or Sarcoplasmic hypertrophy which is better?


If you are looking to build muscle then you will want to know Myofibrillar hypertrophy or Sarcoplasmic hypertrophy which is better? Understanding this concept will help you to know the difference in hypertrophy that you will gain when training so you can decide whats the most effective way to train. Understanding hypertrophy or building muscle is important but many don't know there is a distinction between hypertrophy in the form of Myofibrillar hypertrophy and Sarcoplasmic hypertrophy. How you train ie intensity or rep range will determine which one of these 2 types of hypertrophy you will stimulate more of. want to just muscle muscle then go for sarcoplasmic hypertrophy as this is the fastest way to build size or to gain muscle fast, looking to get strong then the fastest way to gain strength is through myofibrillar hypertrophy but what if you want to gain size and strength? where you need to incorporate both forms of training and in this video i will explain how to do that and in another video on rep ranges i go into more details how different rep ranges stimulate different adaptations in the body, so you need to work in the right rep range for strength and the right rep range for size. So this will look at the difference between strength training and bodybuilding or calisthenics versus bodybuilding or comparing gaining strength over size. Make sure to subscribe at 🤍 What's the BEST rep range for strength and size? 🤍 Link to My Teespring Store 🤍 Best Pull Up Progression For Beginners Reps Sets and More 🤍 BEST Push Up Progression For Beginners | THIS ACTUALLY WORKS 🤍 Weighted vest from Kensui EZ VEST 🤍?aff=5 Use the code " LDK " to get $20 off KENSUI EZ VEST REVIEW IS IT WORTH IT? 🤍 Bodyweight Fitness Playlist 🤍 Weighted Calisthenics playlist 🤍 Beginner Calisthenics Guide playlist 🤍 Workout playlist 🤍 DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission but at no extra cost to you. I am not liable for any injuries or damages that individuals might incur by attempting to perform any of the exercises or ideas discussed on this channel. Any individual attempting to does so at their own risk. Consult with your physician before beginning an exercise regimen.

SARCOPLASMIC vs MYOFIBRILLAR hypertrophy #shorts #youtubeshorts


how does exercise build bigger muscle how to build muscle why lift heavy weights myofibrils how does muscle grow what is hypertrophy muscle hypertrophy sarcoplasmic hypertrophy myofibril hypertrophy sarcoplasm Follow on Instagram: instagram : 🤍 🤍Shredded Varun and For online training: visit website - 🤍 email: shrededvarun🤍 #shorts #youtubeshorts #shreddedvarun #varunkhanna #gym #fitness #workout #viral #viralshorts #viralvideo #hypertrophy #myofibril #naturalbodybuilding #knowledgeispower #tiktok #muscle #fitindia #sarcoplasmichypertrophy

Sarcoplasmic Hypertrophy = MYTH


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Sarcoplasmic Hypertrophy Explained (Probably not what you think)


Sarcoplasmic Hypertrophy is often described as some kind of non kind of non functional muscle growth in response to moderate load strength training. Despite the popular description of this, it has little scientific backing. High Load training causes preferential Sarcoplasmic Hypertrophy; 🤍 Speculation that Sarcoplasmic Hypertrophy precedes myofibrillar by researchers; 🤍 Longer term training study in women showing myofibrillar hypertrophy; 🤍 Chris Beardsley infographic; 🤍

SARCOPLASMIC HYPERTROPHY 101: All Gains Are Not The Same?! (Ft. Greg Nuckols)


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Physique Update: Sarcoplasmic Hypertrophy HOW TO!


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Myofibril versus Sarcoplasmic Hypertrophy


Two Types of Muscular Hypertrophy There are two types of muscular hypertrophy; sarcoplasmic and myofibrillar. Lets explore both. Sarcoplasmic Hypertrophy Sarcoplasmic muscular hypertrophy involves an increase in the sarcoplasmic volume of a muscle cell with no corresponding increase in muscular strength. A strength increase is something you normally expect with an increase in muscular hypertophy, however sarcoplasmic volume increases serve very little to no functional purpose in terms of strength development. Sarcoplasmic hypertrophy is a response to hard training at relatively high volumes. In order for muscles to increase in size as a result of an increase in sarcoplasmic volume, they have to be trained within a higher repetition range. This is generally in the range of 8-12 and even beyond. This causes sufficient micro-trauma for the muscle to respond. Endurance athletes also experience a small level of sarcoplasmic hypertrophy in response to extremely high volumes of training. Obviously this form of muscular hypertrophy is not desirable for anyone aiming to increase strength or sports performance. Bodybuilders and those wanting beach muscles are likely the only ones concerned with sarcoplasmic muscular hypertrophy. This form or muscle size increase is the main reason you see strength to weight ratio decrease as a person gets larger, even with no evidence of excess body fat. It can seem a mystery to some as to why bodybuilders and frequent gym goers seem to be huge but only moderately strong. Myofibrillar Hypertrophy Myofibrillar muscular hypertrophy is what most people want. This is an increase in the size of the actual contractile proteins, resulting in more available muscle for contraction applied to resistance. This form of muscle increase is commonly seen in athletes that perform dynamic sports or strength and power. Weightlifters experience myofibrillar hypertrophy as a result of their training. When a load is lifted that is beyond 75% of maximum a corresponding increase in contractile proteins occurs in order to adapt and lift a heavier load next time. Myofibrillar muscular hypertrophy is attained through high intensity, lower volume training. However this is not always the case, it is just ideal. A muscle will not increase in strength to any great amount through repetitive lifting until fatigue. It doesn't make sense that lifting something 12 times will increase the amount you are able to lift in one-off efforts that are close to maximum strength. This is why myofibrillar hypertrophy occurs most notably as a result of training in the range of 3-7 repetitions. It's not ideal for a bodybuilder but it will build actual functional strength you can use and not unnecessary bodyweight. The size of the muscle will increase at a slower rate because the hypertrophy involves growth of functional units of muscular tissue as opposed to simply volume.

Myofibrillar Hypertrophy vs Sarcoplasmic Hypertrophy Explained in under 5 Minutes


Myofibrillar Hypertrophy vs Sarcoplasmic Hypertrophy Explained in under 5 Minutes. If you want learn more about myofibrillar hypertrophy and sarcoplasmic hypertrophy then this is the video for you. We will look at what they are what are the differences between myofibrillar hypertrophy and sarcoplasmic hypertrophy and how can we stimulate these types of hypertrophy or muscle growth. You can see this as a kind of Myofibrillar hypertrophy versus Sarcoplasmic hypertrophy but really the best of both worlds will be incorporating both by doing low and high rep work. The world hypertrophy means an increase in muscle tissue and many people don't know it gets broken down further into Myofibrillar and sarcoplasmic hypertrophy but I do think its important to know the difference. How we train may have a difference in how we look and how performance in the gym. Some people will highlight the difference between a powerlifting and a bodybuilder and how some in bodybuilding look massive but are not that strong in comparison to their size and some people don't look that big yet are very strong, I think myofibrillar hypertrophy and sarcoplasmic hypertrophy might have something to do with that. This may impact people doing strength training and wondering why they ae getting stronger but not bigger. Is the Hypertrophy Rep Range a LIE? | Can You Build Muscle in ALL Reps Ranges? 🤍 Myofibrillar hypertrophy or Sarcoplasmic hypertrophy which is better? 🤍

The science behind sarcoplasmic hypertrophy


In this video, I outline the science of sarcoplasmic hypertrophy and how it differs to myofibrillar hypertrophy. I also talk about how bodybuilders compare with Olympic weightlifters for types of muscle growth. The next part can be accessed here: 🤍

042 How Calcium ion release results in Muscle Contraction


🤍 - In this video, I show how the release of Calcium ions from the sarcoplasmic reticulum results in skeletal muscle contraction at the level of the sarcomere. Enjoy




MUSCULAR SYSTEM ANATOMY:Muscle fiber with sarcomere model description


Short video of a muscle fiber with the sarcomere illustrated Indentifies: Sarcolemma Sarcoplasm Myofibrils Transverse tubules (t-tubules) Sarcoplasmic reticulum Terminal cisterna Triad Mitochondria (MISTAKENLY IDENTIFIED AS NUCLEI) Sarcomere - Z-line - I-band - A-band - M-line - Zone of overlap - H-zone



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Is @DawsonWeiss RIGHT on GAINING Muscle?😳| My *BRO-SCIENCE Sarcoplasmic Hypertrophy for Bodybuilding


Russo breaks down the differences between sarcoplasmic and myofibrillar hypertrophy. Which is the best way to build muscle for powerlifting and bodybuilding... can they work better when used in tandem for competitions? Dtren's mentioned video: 🤍 TIMESTAMPS 0:00 Intro 1:26 Skip the Sip - LIKE this Video!! ✷✪✷READ FULL DESCRIPTION✷✪✷ ✪FOLLOW ME ON ▨✷INSTAGRAM✷▧: ⇝➤ 🤍russolifts : 🤍 ☽ - ✪WANT PHARMA TEST/DECA/ANAVAR/DBOL/HGH/HCG?: ⇝➤ 🤍 ☽ ✷Fill out a CONTACT REQUEST to start✷ - ✪FULL SOURCE-LIST CLICK HERE: ⇝➤ 🤍 ☽ - ✪MY FAV PRE-WORKOUT (Gorilla Mode): ⇝➤ 🤍 ☽ ✪FACEBOOK: 🤍 #Gains #MuscleGain #Bodybuilders

Sarcotubular system/ sarcoplasmic Reticulum/ t-tubules or L-tubules


This video is related with the sarcotubular system and their function. In this video I try to explain about the sarcotubular system, sarcoplasmic Reticulum and the tubules found in the sarcotubular system. Notes on telegram- 🤍 #sarcotubularsystem#sarcoplasmicreticulum#ttubules#ltubules Please like share and subscribe the channel 🙏

How bodybuilders look bigger? ( Sarcoplasmic & Myofibril hypertrophy) By Nikhil Ashtewale


Get perfect knowledge on bodybuilding style workout . Know the exact difference between the sarcoplasmic and myofibril hypertrophy, there use in different sports and how to achieve it. Affiliated with : SPEFL-SC, Supported by Govt. of India and NSDC EDUFIT (UK) , Accredited by : AoFAQualifications & REPS (UK) Contact Us : 8010189189 Visit: 🤍 Follow Us on: Facebook: 🤍 Instagram: 🤍 Twitter: 🤍

Calcium Release from Sarcoplasmic Reticulum


A depolarization (action potential) at a neuromuscular junction travels along the muscle cell membrane (sarcolemma) to transverse tubules (T-tubules). From there the depolarization is propagated along the T-tubules and along the sarcoplasmic reticulum, where Ca ion channels open to release the ions. The Ca ions bathe the sarcomeres, permitting the thick and thin filaments to slide and hence, the muscle to contract.

Physiology Shorts: Ion channels on the endoplasmic/sarcoplasmic reticulum Ca2+ in cells


In this Physiology Shorts video, Elisa Venturi (University of Oxford, UK) talks about her research investigating the function and structure of ion channels on the endoplasmic/sarcoplasmic reticulum Ca^2+ in cells. Read more about this research in The Journal of Physiology: Enhanced activity of multiple TRIC-B channels: an endoplasmic reticulum/sarcoplasmic reticulum mechanism to boost counterion currents. O'Brien F, Eberhardt D, Witschas K, El-Ajouz S, Iida T, Nishi M, Takeshima H, Sitsapesan R, Venturi E. 597(10), pp. 2691 - 2705 🤍

How to Get Big Arms-Sarcoplasmic Hypertrophy


Exercise Physiologist Mark Radio explains how to get big arms.

Sarcoplasmic vs. Myofibril Muscle Hypertrophy Explained - Anabolic Bodybuilding


In this video, we discuss the basics of sarcoplasmic and myofibril muscle fiber growth. Follow me on: Instagram 🤍paulkbarnett Contact me at: bigp3rd🤍 Coaching or Consultation - email me at bigp3rd🤍 to book your spot. - Anabolic Bodybuilding #bodybuilding #anabolicbodybuilding #paulkbarnett WARNING The Video has been made available for entertainment and educational purposes only. I do not make any warranties to the accuracy, applicability, fitness, or completeness of the content. The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or qualified health provider. Never disregard professional medical advice or delay in seeking it because of something you have seen on this channel. I hereby disclaim any and all liability to any party for any direct, indirect, implied, punitive, special, incidental, or other consequential damages arising directly or indirectly from any use of the content, which is provided as is, and without warranties.

Excitation-Contraction Coupling


This video is a brief explanation of the basics of excitation-contraction coupling in skeletal muscle.

Cardiac Hypertrophy and the Sarcoplasmic Reticulum Part 1


In this video we discuss the role of dysfunction of the sarcoplasmic reticulum in pathological cardiac hypertrophy.

Dihydropyridine & Ryanodine Channels - Excitation/Contraction Coupling


How is calcium released to cause muscle contraction? This question is answered in this video. The dihydropyridine receptors and ryanodine receptor channels are discussed.

Myofibrillar vs Sarcoplasmic Hypertrophy: You CANNOT Separate The Two


If you enjoy the video like, comment, share, and subscribe! 🤍 🤍 My Video: The Connection Between Strength & Muscle Growth: 🤍 My Video: What Genetics Do & Don't Affect: 🤍 My Video: Physiques Of Bodybuilders & Powerlifters 🤍 My Video: Discerning Between Valid & Invalid Fitness Information: 🤍 Email me for $20.00 custom tailored programs at: theswolefessor🤍 Follow me on Instagram: 🤍theswolefessor 🤍 Follow me on Snapchat: mxdarkness Intro/Outro Song: I Am The Greatest - Logic Song During The Discussion: Falling - Beatowski Beats 🤍 Facebook: 🤍 Twitter: 🤍 SoundCloud: 🤍 UNILAD Beats: 🤍

Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiology #21


We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament model. Your skeletal muscles are constructed like a rope made of bundles of protein fibers, and the smallest strands are your actin and myosin myofilaments. It's their use of calcium and ATP that causes the binding and unbinding that makes sarcomeres contract and relax. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: 🤍 Download it here for Android Devices: 🤍 Chapters: Introduction: Muscle Love 00:00 Smooth, Cardiac, and Skeletal Muscle Tissues 1:18 Structure of Skeletal Muscles 2:40 Protein Rules 3:25 Sarcomeres Are Made of Myofilaments: Actin & Myosin 3:54 Sliding Filament Model of Muscle Contraction 4:38 Review 9:17 Credits 9:57 * Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Mark Brouwer, Jan Schmid, Steve Marshall, Anna-Ester Volozh, Sandra Aft, Brad Wardell, Christian Ludvigsen, Robert Kunz, Jason, A Saslow, Jacob Ash, Jeffrey Thompson, Jessica Simmons, James Craver, Simun Niclasen, SR Foxley, Roger C. Rocha, Nevin, Spoljaric, Eric Knight, Elliot Beter, Jessica Wode, David Rybka, Beth Larter, Damian Shaw, Randy Goldberg MD, Cynthia Krohn, Allison DeVoe, Brinae Lois Gaudet, Sara Bovi, Stephen DeCubellis, Travis Bell Crash Course is on Patreon! You can support us directly by signing up at 🤍 Want to find Crash Course elsewhere on the internet? Facebook - 🤍 Twitter - 🤍 Instagram - 🤍 CC Kids: 🤍

Guyton chapter 7 | Excitation-contraction coupling | T-tubules | sarcoplasmic reticulum | lecture 42


Excitation contraction coupling is a process through which, excitation of muscles is combined with contraction of the muscles. The excitation process is completed with the help of #T-tubules, which is a system of tubules to takes action potential deep inside a muscle fiber. The nerve fibre can activate the muscle fiber membrane, but the T-tubule or transverse tubules takes the impulse deep inside the muscle fiber. Once the impulse reach inside the cell, it activates the #sarcoplasmicreticulum. Sarcoplasmic reticulum has two parts, a cristae and tubules. The cristae of sarcoplasmic reticulum is attached with T-tubule, and it gets excited by the incoming impulse.  Once excited, the sarcoplasmic reticulum secrets Alot of calcium ions, the calcium combines with heads of the cross Bridges of the myosin filaments and cause contraction.  Once the contraction of actin and myosin filaments has occurred,  the calcium ions are taken up again into the sarcoplasmic reticulum.  With uptake of calcium the process of excitation contraction coupling comes to an end.

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