Sliding Filament Theory | 5 Things You Need to Know + Pop Quiz
ฝัง
- เผยแพร่เมื่อ 3 ม.ค. 2021
- Follow me on Instagram: / themovementsystem
5 Things You Need to Know About the Sliding Filament Theory:
1. Calcium Release initiates and regulates the process of muscle contraction within the muscle cell
2. Troponin pulls the tropomyosin out of the way to allow the cross bridge to form
3. Myosin binds to Actin (cross bridge)
4. H band and I band shorten
5. A Band Stays the Same Length
What is the Sliding Filament Theory?
The mechanism that allows a muscle to contract. Myosin binds to actin via cross bridges and the power stroke of the myosin head brings the z discs together shortening the sarcomere.
What does calcium do in the muscle cell?
Calcium is released from the sarcoplasmic reticulum and binds to troponin to move the tropomyosin. This exposes the binding site on actin for the myosin head to form a cross bridge.
What does the sarcoplasmic reticulum do?
For the process of muscle contraction, the sarcoplasmic reticulum stores calcium and releases it into the muscle cell when an action potential propagates down the sarcolemma and into the T tubule.
👇🏽Click here to Join the Strength and Conditioning Study Group on Facebook!
/ 2415992685342170
Studying for the CSCS Exam?
CSCS Prep Course: www.themovementsystem.com/str...
This is the CSCS Practice Test that I recommend: www.themovementsystem.com/off...
Make sure you check out some of the other CSCS Prep Videos I have done:
CSCS Nutrition: • CSCS Nutrition Calcula...
CSCS Work to Rest Ratios: • NSCA CSCS Work to Rest...
Muscle Levers: • Muscle Levers 1st Clas...
Olympic Lifting Technique: • Olympic Lifting Techni...
Picture credit:
training.seer.cancer.gov/anat...
www.cvphysiology.com/Cardiac%...
commons.wikimedia.org/wiki/Fi...
Comment below if you have any questions!
🧠 Learn more at www.themovementsystem.com
This is the CSCS Practice Test that I recommend: www.themovementsystem.com/off...
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
If you're studying for the CSCS Exam, make sure you join my study group: facebook.com/groups/2415992685342170
this made way more sense than the section in the CSCS book. this might actually be the best explanation of the sliding filament theory i've ever seen. i'm a 42 year old DPT and i cannot swear i've ever actually learned this before. i've encountered it. and i could get the questions right on a test (more often than not), but i can't say that it ever made sense like it does after this friggen five minute video.
Fantasic video. I really liked how you broke it down to 5 steps and the pop quiz at the end! Thanks for the upload :)
Omg thank u so much!! This one makes so much sense and easier to follow!
Omg, very informative!. I love the quiz at the end. 👍👍
This is amazing I have watched tons of videos and non of them made sense I was completely lost and your video made it sound so simple and split it into steps thank you 👍🏻
Thanks!
I'm revising this topic and this really helped.
Thanks!
Thank you so much I had to rewatch I subscribed since you explained this very well !
thank god for this channel, the CSCS exam is no joke
Awsome video. Thanks
Sooo helpful!!!
You are a real one
Thank you sir.
outstanding explanation. Extremely clear and well explained! Thank you
You’re welcome
The pop quiz is so helpful for preparing for the cscs! Can you do some more pop quizzes at end of your videos? Thank you!
For sure
I had a General Physiology midterm and your pop quiz question was on it! Thank you!
Cool! Glad you were prepared
LOVE THE CONTENT BRO.. VERY HELPFUL
You’re welcome!
bro you explained this so well. thank you!
You’re welcome
Your videos are great! Thanks a lot, studying for my cscs currently…
Nice. Make sure you join our CSCS Study Group: facebook.com/groups/2415992685342170/?ref=share_group_link
Thank u
You are the best thanks a lot for your unique lessons. Great job. By the way, do you have any news about the new certification of NSCA? CPSS is the new certification of NSCA could you please share videos about that topic? Thanks in advance.
I just learned of this recently. I'll have to look into it more and make a video.
Hey! What happens with the rest of the calcium that is not absorbed by sarcoplasmic reticulum?
Can you please summarise muscle recruitment
What is maximal contraction, when does it occur and what happens during the process?
is the z- disk same as the z-line?
Yes