👉 The term "concordal" is used in anatomy and physiology to describe a group of muscles that are located at or near the base of the spine. These muscles work together with the vertebrae (bones) to support the spinal column, which is composed of several bones, including the vertebrae, ribs, sternum, and collarbone. The concordal muscles include: 1. Thoracic (upper back) muscles: These muscles are located at or near the base of the
