The "Musculus Sternocleidomastoideus" is a mouthful and can often be difficult to pronounce or remember. However, there are alternative names for this muscle that may be more manageable. It is commonly referred to as the sternocleidomastoid muscle, or simply SCM for short. Some less formal synonyms for this muscle include the "neck muscle," "head turning muscle," or even "the muscle that connects the collarbone to the skull." Regardless of the name used, the SCM is a crucial muscle for supporting the movement and stability of the head and neck.