Educator starts off the lecture Thoracic Wall by explaining vertebral and anterior ends of Intercostal Spaces. Following this, musculomembranous layers are illuminated. Furthermore, the role of intercostal muscles during respiration is elaborated. Subsequently, educator elucidates how to gain access to the thoracic cavity for surgical procedures. Also, various aspects of thoracic wall are discussed. Lastly, quiet and forced breathing comes under consideration.