Muscle Contraction (Crossbridge Cycle) | Locomotion and Movement | Class XI | Biology | Khan Academy

Description: I like to move it move it..I like to move it move it..We like to move it.. But how? How do our muscles work to allow movement? What proteins are involved in this? Watch this video to understand more about muscle contraction and the crossbridge cycle. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/science/u...) Timestamps: 0:00 Introduction 0:45 Sarcomere 1:17 Actin and myosin 2:23 Tropomyosin, troponin and calcium ions 4:11 Crossbridge formation 5:21 Power stroke 6:26 Role of ATP in muscle contraction 7:57 New crossbridge formation 8:58 Crossbridge cycle Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Nivedhitha