Cardiac Excitation-Contraction Coupling

A description of the relationship between the excitation of a cardiac muscle cell via an action potential, and that cell's contraction via actin-myosin cross-bridge cycling. Contents: 0:00 Introduction and Learning Objectives 0:41 Excitation 3:10 Contraction 6:24 The coupling 9:31 Summary Video incorporated image of T-tubule: 1023_T-tubule.jpg by OpenStax Anatomy and Physiology, provided under CC BY 4.0, downloaded from Wikimedia Commons Oct 2021. #cardiovascular #physiology #medicalschool