The spelling of "nervus subscapularis longus" may seem complex, but can be broken down using IPA phonetic transcription. "Nervus" is pronounced as /ˈnɜːrvəs/, while "subscapularis" is pronounced as /sʌbsˈkæpjʊlərɪs/. Finally, "longus" is pronounced as /ˈlɒŋɡəs/. Together, the phrase is pronounced as /ˈnɜːrvəs sʌbsˈkæpjʊlərɪs ˈlɒŋɡəs/. This phrase refers to the long subscapular nerve, a nerve that is important for the proper function of the shoulder and arm. Understanding the phonetic transcription is essential for proper pronunciation and effective communication
The term "nervus subscapularis longus" is a Latin anatomical term used in the field of anatomy and neurology. It refers to a specific nerve that arises from the brachial plexus, a complex network of nerves in the shoulder region.
The nervus subscapularis longus is a branch of the posterior cord of the brachial plexus, specifically deriving from the cord's posterior division. It originates from the fifth and sixth cervical spinal nerves and is primarily responsible for innervating the subscapularis muscle.
The subscapularis muscle is a powerful muscle located on the anterior (front) surface of the scapula, or shoulder blade. It plays a crucial role in stabilizing the shoulder joint and facilitating shoulder movements such as internal rotation. The nervus subscapularis longus supplies motor innervation to this muscle, enabling it to contract and generate movement.
In addition to its motor function, the nervus subscapularis longus also carries sensory fibers that provide proprioception, or the sense of the body's position and movement, from the subscapularis muscle. These proprioceptive signals are crucial for maintaining coordinated and precise movement of the shoulder joint.
Overall, the nervus subscapularis longus is an important nerve responsible for innervating the subscapularis muscle, contributing to both its motor function and proprioception.
Long subscapular nerve, n. thoracodorsalis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.