The spelling of the word "musculus flexor digitorum sublimis" can be broken down using the International Phonetic Alphabet (IPA) phonetic transcription. "Musculus" is pronounced "ˈmʌskjʊləs", "flexor" is pronounced "ˈflɛksər", "digitorum" is pronounced "dɪdʒɪˈtɔːrəm", and "sublimis" is pronounced "sʌbˈlaɪmɪs". The IPA is a standardized system of phonetic notation used to describe the sounds of spoken words, and can help in accurately spelling complex words like "musculus flexor digitorum sublimis".
Musculus flexor digitorum sublimis refers to a specific muscle found in the forearm, which is part of the flexor muscle group. The term can be broken down into its constituent words for a more comprehensive meaning. "Musculus" is a Latin term denoting "muscle," indicating the structure and function of the particular body tissue involved. "Flexor" originates from the Latin word "flectere," meaning "to bend," suggesting that this muscle is primarily responsible for bending certain body parts. "Digitorum" is a derivative of the Latin term "digitus," referring to "finger" or "toe." Lastly, "sublimis" comes from the Latin word for "up" or "above" and implies that this muscle is situated superficially or closer to the surface of the body.
Therefore, musculus flexor digitorum sublimis can be defined as a superficial muscle located in the forearm, responsible for flexing or bending the fingers. Positioned beneath the tendons of the more superficial muscle, the flexor digitorum superficialis, it plays a crucial role in moving the fingers, particularly during gripping and grasping activities. The musculus flexor digitorum sublimis contracts to bend the fingers at the proximal interphalangeal joints, the middle joints of the fingers. It is innervated by the median nerve and receives a blood supply from branches of the ulnar artery. The muscle is essential for everyday tasks involving hand movement and fine motor skills, especially those requiring finger flexion, such as writing, typing, playing musical instruments, or manipulating objects.
M. flexor sublimis digitorum; origin, humeral head (caput humerale) from the internal condyle of the humerus, ulnar head (caput ulnare) from the inner border of the coronoid process, radial head (caput radiale) from the oblique line and middle third of the outer border of the radius; insertion, by four split tendons, passing to either side of the profundus tendons, into sides of 2d phalanx of each finger; nerve supply, median; action flexes middle phalanges of the fingers.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.