trapezius: meaning, definition, pronunciation and examples
LowTechnical / Medical (Anatomy), General (in contexts of fitness, health, massage, physiotherapy).
Quick answer
What does “trapezius” mean?
A large, flat, triangular muscle covering the back of the neck and shoulders, responsible for moving and stabilizing the scapula (shoulder blade).
Audio
Pronunciation
Definition
Meaning and Definition
A large, flat, triangular muscle covering the back of the neck and shoulders, responsible for moving and stabilizing the scapula (shoulder blade).
In common usage, it refers specifically to the area of the upper back and neck where this muscle is located, often associated with tension or pain (e.g., 'my trapezius is tight').
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The plural 'trapezii' is sometimes used in both, but 'trapeziuses' is also common.
Connotations
Identical technical connotations. In everyday fitness contexts, the shortened form 'traps' is equally common in both varieties.
Frequency
Slightly more frequent in American English in general media due to higher prevalence of fitness and bodybuilding discourse.
Grammar
How to Use “trapezius” in a Sentence
The trapezius (verb: tenses/aches/pulls).To work/strengthen/stretch one's trapezius.Vocabulary
Collocations
Examples
Examples of “trapezius” in a Sentence
verb
British English
- (Not applicable as a verb.)
American English
- (Not applicable as a verb.)
adverb
British English
- (Not applicable as an adverb.)
American English
- (Not applicable as an adverb.)
adjective
British English
- (Not applicable as a standard adjective. 'Trapezial' refers to the trapezium bone.)
American English
- (Not applicable as a standard adjective. 'Trapezial' refers to the trapezium bone.)
Usage
Meaning in Context
Business
Rare, except in ergonomics (e.g., 'office chairs designed to reduce trapezius strain').
Academic
Common in medical, anatomical, physiotherapy, and sports science texts.
Everyday
Used in contexts of health, pain, exercise, and massage (e.g., 'I have a knot in my trapezius').
Technical
The primary context. Precise anatomical descriptions of origin, insertion, innervation, and action.
Vocabulary
Synonyms of “trapezius”
Strong
Neutral
Weak
Vocabulary
Antonyms of “trapezius”
Watch out
Common Mistakes When Using “trapezius”
- Mispronunciation: /ˈtræpɪziəs/ (trap-eez-ee-us) is common but non-standard. The standard has the stress on the second syllable: /trəˈpiːziəs/.
- Using 'trapezium' (a wrist bone or a geometric shape) instead of 'trapezius'.
FAQ
Frequently Asked Questions
It is singular. The plural can be 'trapeziuses' or the less common 'trapezii'. One muscle is a trapezius. You have two trapezius muscles (left and right).
The name comes from the geometric shape 'trapezium'. The left and right muscles together form a rough trapezoid shape on the upper back.
Yes, in informal contexts, especially fitness and bodybuilding, 'traps' (always plural) is very common. In formal or medical writing, use the full term 'trapezius'.
Its main functions are to move, rotate, and stabilize the scapula (shoulder blade), enabling movements like shrugging, pulling, and lifting the arm.
A large, flat, triangular muscle covering the back of the neck and shoulders, responsible for moving and stabilizing the scapula (shoulder blade).
Trapezius is usually technical / medical (anatomy), general (in contexts of fitness, health, massage, physiotherapy). in register.
Trapezius: in British English it is pronounced /trəˈpiːziəs/, and in American English it is pronounced /trəˈpiːziəs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “(None specific to this anatomical term.)”
Learning
Memory Aids
Mnemonic
Imagine a TRAPEZE artist hanging from their shoulders—the trapezius is the broad, kite-shaped muscle that allows those powerful shoulder movements.
Conceptual Metaphor
THE BODY IS A MACHINE / THE BODY IS A MAP: The trapezius is a 'cable' or 'strap' for shoulder movement; it's also a 'region' (upper back) that can be 'mapped' for pain or tension.
Practice
Quiz
What is the most common colloquial term for the trapezius muscles?