Uploaded November 2021 | Updated September 2026, 1 week ago
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
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
