Musculus subscapularis is a muscle located in the scapula region of the human body. The spelling of this word is derived from its Latin roots, where "musculus" means "muscle" and "subscapularis" refers to its location below the scapula. Using IPA phonetic transcription, the pronunciation of this word can be written as /ˈmʌskjʊləs ˌsʌbˌskæpjʊˈlɛərɪs/. It is important to accurately spell and pronounce such medical terms in order to communicate effectively with healthcare professionals and avoid any misunderstandings.
The musculus subscapularis, also known as the subscapularis muscle, is a prominent muscle of the human body located in the shoulder region. It is one of the four muscles that make up the rotator cuff. The term "musculus subscapularis" derives from Latin, where "musculus" means muscle, and "subscapularis" refers to its position beneath the scapula, which is commonly known as the shoulder blade.
This muscle originates from the subscapular fossa, a concave depression found on the anterior surface of the scapula. From this point, it extends downwards and laterally before inserting onto the lesser tubercle of the humerus bone, which lies within the upper arm. The musculus subscapularis plays an essential role in the movement and stabilization of the shoulder joint.
The primary function of the musculus subscapularis is internal rotation of the arm. This allows the arm to turn inward towards the body. In addition to internal rotation, it also assists in adduction, which refers to bringing the arm closer to the midline of the body. Together with the other three muscles of the rotator cuff, the musculus subscapularis helps to maintain joint stability, prevent dislocation, and enable various arm movements.
Injury or strain to the musculus subscapularis can lead to pain, restricted movement, and weakness in the shoulder. Physical therapy, rehabilitation exercises, rest, and sometimes surgical intervention are common approaches to treating subscapularis muscle-related conditions.
Origin, subscapular fossa; insertion, lesser tuberosity of humerus; nerve supply, upper and lower subscapular from 5th and 6th cervical; action, rotates arm inward.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "musculus subscapularis" has Latin origins. Here is a breakdown of its etymology:
1. Musculus: This is a Latin term meaning "muscle".
2. Sub-: A Latin preposition meaning "under" or "below".
3. Scapularis: This term is derived from the Latin word "scapula", which refers to the shoulder blade or wingbone in anatomical terms. The suffix "-aris" indicates that it is related to or associated with the scapula.
Therefore, "musculus subscapularis" can be translated as the "muscle below/under the scapula" and refers to a specific muscle located in the shoulder area.