@anatomystandard: Breath Cycle: The Posterior View Look at how the intercostal muscles move the ribs at the costovertebral joints (where the ribs connect to the spine) during a full breath cycle. From the back, you can clearly see how these muscles expand the entire rear rib cage. This visual demonstrates that breathing isn't just about chest or belly movement—the upper back and spinal joints are engineered to dynamically move with every single breath. Share this reel with a trainer, coach, or therapist who needs a clear visual of rear rib cage expansion. #anatomystandard #biomechanics #anatomy #thoracicmobility #breathingexercises