Last updated: 25th December, 2019 The intercostal muscles are an important group of muscles lie between your ribs (intercostal spaces) that contract during respiration. Three muscles are classically described as external intercostals, internal intercostals, and the innermost intercostals. Get to know what causes Intercostal Muscle Strain, its symptoms, diagnosis, and treatment options. Causes of Intercostal Muscle Strain […]