How Do You Spell MUSCULUS EXTENSOR COMMUNIS DIGITORUM?

Pronunciation: [mˈʌskjʊləs ɛkstˈɛnsə kəmjˈuːniz dˌɪd͡ʒɪtˈɔːɹəm] (IPA)

Musculus extensor communis digitorum is a complex term in anatomy referring to the muscle that extends the fingers. The correct spelling of this term is difficult for many individuals as it comprises multiple syllables and complex consonant sounds. In International Phonetic Alphabet (IPA), the word "musculus" can be pronounced as /ˈmʌskjʊləs/ while "extensor" can be pronounced as /ɛkˈstɛnsər/. The word "communis" can be pronounced as /kəˈmjuːnɪs/ and "digitorum" as /dɪˈdʒɪtərəm/. The IPA transcription can help individuals pronounce this word correctly.

MUSCULUS EXTENSOR COMMUNIS DIGITORUM Meaning and Definition

1. Musculus extensor communis digitorum, also known as the extensor digitorum muscle, is a large skeletal muscle located in the posterior compartment of the forearm. It is one of the muscles responsible for the extension of the fingers, hence its name.

   The muscle originates from the lateral epicondyle of the humerus, the posterior surface of the ulna, and the interosseous membrane between the ulna and radius. It forms a thick, tendinous structure that extends down the forearm, dividing into four separate tendons as it reaches the hand.

   These tendons then connect to the lateral sides of the base of each of the four digits, with the exception of the thumb. From these insertion points, the muscle acts by contracting to extend the fingers at the metacarpophalangeal joints, as well as assisting in the extension of the wrist joint.

   Due to its large size and position, the musculus extensor communis digitorum is easy to identify. It appears as a central swelling on the back of the forearm, displaying lengthy tendons that extend into the hand. Its prime function is enabling the opening and extension of the fingers, allowing for essential actions such as gripping, picking up objects, and performing fine motor manipulations.

2. M. Extensor digitorum communis.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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