sternocleidomastoid: meaning, definition, pronunciation and examples
C2Technical / Medical
Quick answer
What does “sternocleidomastoid” mean?
A long, thick neck muscle, one of the largest in the neck.
Audio
Pronunciation
Definition
Meaning and Definition
A long, thick neck muscle, one of the largest in the neck.
A paired muscle running from the sternum and clavicle to the mastoid process of the temporal bone, responsible for rotating the head and flexing the neck.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning. Spelling is identical. Pronunciation may vary slightly (see IPA).
Connotations
The term has a purely anatomical/clinical connotation in both varieties.
Frequency
Extremely low frequency in general language. Used with identical frequency in medical/academic contexts in both varieties.
Grammar
How to Use “sternocleidomastoid” in a Sentence
the [right/left] sternocleidomastoid[injury/pain] in the sternocleidomastoidthe origin/insertion of the sternocleidomastoidVocabulary
Collocations
Examples
Examples of “sternocleidomastoid” in a Sentence
verb
British English
- (not used as a verb)
- (not used as a verb)
American English
- (not used as a verb)
- (not used as a verb)
adverb
British English
- (not used as an adverb)
- (not used as an adverb)
American English
- (not used as an adverb)
- (not used as an adverb)
adjective
British English
- (rarely used adjectivally) The sternocleidomastoid region was tender.
- (rarely used adjectivally) A sternocleidomastoid release procedure.
American English
- (rarely used adjectivally) The sternocleidomastoid tendon was inflamed.
- (rarely used adjectivally) Sternocleidomastoid pain can be referred.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in human biology, anatomy, physiology, physiotherapy, and sports science contexts.
Everyday
Extremely rare. A non-specialist would likely say 'the muscle in the side of my neck'.
Technical
Standard term in medicine, surgery, chiropractic, osteopathy, and massage therapy.
Vocabulary
Synonyms of “sternocleidomastoid”
Strong
Neutral
Weak
Vocabulary
Antonyms of “sternocleidomastoid”
Watch out
Common Mistakes When Using “sternocleidomastoid”
- Misspelling: 'sternocliedomastoid', 'sternocleidomastoyd'.
- Mispronunciation: stressing the wrong syllable (e.g., sterno-CLEI-do-mastoid).
- Using it as a countable noun without 'muscle' (e.g., 'I strained my sternocleidomastoid' is acceptable, but '...my sternocleidomastoid muscle' is clearer for non-specialists).
FAQ
Frequently Asked Questions
It is pronounced /ˌstɝː.noʊˌklaɪ.doʊˈmæs.tɔɪd/ in American English. Break it down: STUR-noh-KLY-doh-MASS-toyd.
In medical and fitness contexts, it is often abbreviated to 'SCM'. There is no common everyday name for this specific muscle.
Pain can result from poor posture (e.g., 'text neck'), sleeping in an awkward position, whiplash, tension headaches, or strain from certain exercises.
You have a pair of them—one on the left and one on the right side of your neck. They work together and independently to move your head.
A long, thick neck muscle, one of the largest in the neck.
Sternocleidomastoid is usually technical / medical in register.
Phrases
Idioms & Phrases
- “(no common idioms use this word)”
Learning
Memory Aids
Mnemonic
Think of the points it connects: STERNum, CLAVICLE (cleido-), and MASTOID process. 'Sterno-Cleido-Mastoid'.
Conceptual Metaphor
The muscle is often described as a rope, strap, or band that turns and tilts the head.
Practice
Quiz
What is the primary action of the sternocleidomastoid muscle?