CSCS Chapter 1 | Muscle Structure and Function (with Practice Questions) скачать в хорошем качестве

CSCS Chapter 1 | Muscle Structure and Function (with Practice Questions)

Studying for the CSCS Exam? Click here to Join the CSCS Study Group on Facebook!   / 2415992685342170   Pass the CSCS Exam in 90 Days with The Movement System CSCS Study Course: https://www.themovementsystem.com/str... CSCS Practice Test: https://www.themovementsystem.com/off... Muscle graphics from Muscle and Motion: https://app.anatomy.muscleandmotion.com Motor unit image source: https://www.docplexus.com/posts/-the-... Continuing Education Courses: (NSCA CEU Approved) Program Design 101: https://www.themovementsystem.com/pro... Movement Assessment 101: https://www.themovementsystem.com/mov... Free Stuff: Free Strength and Conditioning Program Template: https://www.themovementsystem.com/pl/... Free 7 Day Strength and Hypertrophy Program: https://www.themovementsystem.com/Str... 5 step Guide to Writing a Strength and Conditioning Program: https://the-movement-system.mykajabi.... Strength and Conditioning Programs: Hybrid Athlete Training Team: https://marketplace.trainheroic.com/w... 12 Week Vertical Jump Program: https://marketplace.trainheroic.com/w... 12 Week Strength and Hypertrophy Program: https://marketplace.trainheroic.com/w... Affiliates: Legion Athletics (20% OFF with Code: MOVEMENT): https://legionathletics.rfrl.co/9j4dv Vitruve Velocity Based Training (10% OFF with code MOVEMENT): https://shop.vitruve.fit/?aff=73 Amazon products we recommend: https://www.amazon.com/shop/themoveme... Book Recommendations: https://www.amazon.com/shop/themoveme... NSCA CSCS Muscle Physiology Review: Action Potential Travels Down Motor Neuron: The process begins with an action potential, an electrical signal, traveling down the motor neuron towards the neuromuscular junction. Acetylcholine (ACh) Released into Sarcolemma: Upon reaching the neuromuscular junction, the action potential triggers the release of acetylcholine (ACh) from vesicles in the motor neuron into the synaptic cleft. Action Potential on Sarcolemma: ACh binds to receptors on the sarcolemma (muscle cell membrane), leading to depolarization and the generation of an action potential along the sarcolemma. Sodium Ions (Na+) Rush into Muscle Cell: The action potential propagates along the sarcolemma and into the T-tubules, triggering the release of calcium ions (Ca2+) from the sarcoplasmic reticulum (SR). Sodium ions (Na+) also enter the muscle cell, further depolarizing it. Calcium (Ca2+) The depolarization of the T-tubules signals the sarcoplasmic reticulum (SR) to release stored calcium ions (Ca2+) into the sarcoplasm (muscle cell cytoplasm). Myosin Heads Attach to Actin: The increased calcium concentration in the sarcoplasm allows the myosin-binding sites on the actin filaments to be exposed. Myosin heads attach to these binding sites, forming cross-bridges. Muscle Contracts: The cross-bridges undergo a series of conformational changes, pulling the actin filaments towards the center of the sarcomere. This sliding filament mechanism results in muscle contraction, generating force and shortening of the muscle fibers. This sequence of events, known as excitation-contraction coupling, is fundamental to the contraction of skeletal muscle and is a critical aspect of understanding neuromuscular physiology. To prepare for the NSCA CSCS (Certified Strength and Conditioning Specialist) exam, it's crucial to have a solid understanding of muscle physiology, structure, and function from the NSCA CSCS Chapter 1 of the Essentials of Strength Training and Conditioning textbook. (The CSCS Book) I recommend starting with chapter 1 of the CSCS Book if you're an exercise science student, personal trainer, strength coach, or sports physical therapist studying for the NSCA CSCS Exam. Disclaimers: Information contained in this video or otherwise provided by The Movement System is for educational purposes only, and does not substitute professional medical advice or consultations with healthcare professionals. Always consult with a medical professional before making changes to your exercise routine. 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: 🧠 Website: www.themovementsystem.com 📱 Instagram:   / themovementsystem   🎙️ Podcast: https://open.spotify.com/show/4VgQ8cx...