Sternocostale
The sternocostale muscle is a small, thin, and flat muscle located in the upper part of the chest, between the sternum and the costal cartilage of the ribs. It is one of the accessory muscles of respiration, along with the scalene muscles and the serratus anterior. The sternocostale muscle is innervated by the long thoracic nerve, which arises from the brachial plexus, and it plays a crucial role in the elevation of the ribs during inspiration.
The sternocostale muscle originates from the sternal end of the costal cartilage of the second to the
The sternocostale muscle is particularly important in conditions where the scalene muscles are paralyzed or weakened,
In summary, the sternocostale muscle is a small, thin, and flat muscle located in the upper part