Trapezius

Musculus trapezius

A large, flat, triangular muscle of the upper back and neck. It originates from the external occipital protuberance, ligamentum nuchae, and spinous processes of C7-T12. It inserts on the lateral third of the clavicle, acromion, and spine of the scapula.

유형 Muscle
신체 계통 Muscular
신체 부위 Back
라틴어 명칭 Musculus trapezius
FMA ID 9626

기능

Elevates, retracts, and rotates the scapula. The upper fibers elevate the scapula, middle fibers retract it, and lower fibers depress and upwardly rotate it. Stabilizes the scapula during arm movements.

임상적 의의

Trapezius weakness from spinal accessory nerve (CN XI) injury causes shoulder droop and difficulty with arm abduction above 90 degrees. Myofascial trigger points in the trapezius are a common cause of neck and shoulder pain.

자주 묻는 질문

What is the Trapezius?
A large, flat, triangular muscle of the upper back and neck. It originates from the external occipital protuberance, ligamentum nuchae, and spinous processes of C7-T12. It inserts on the lateral third of the clavicle, acromion, and spine of the scapula.
What is the function of the Trapezius?
Elevates, retracts, and rotates the scapula. The upper fibers elevate the scapula, middle fibers retract it, and lower fibers depress and upwardly rotate it. Stabilizes the scapula during arm movements.
What body system is the Trapezius part of?
The Trapezius is part of the Muscular.
What conditions affect the Trapezius?
Trapezius weakness from spinal accessory nerve (CN XI) injury causes shoulder droop and difficulty with arm abduction above 90 degrees. Myofascial trigger points in the trapezius are a common cause of neck and shoulder pain.
Where is the Trapezius located?
The Trapezius is located in the Back region of the body.

관련 구조물

musculature muscle group tendon sheath synovial tendon sheath skeletal system set of all bones and joints orbital septum septum orbitale iliopsoas Hyrtl's muscle myocardium cardiac muscle conducting system of heart cardiac conducting system long head of biceps brachii capus longum of biceps brachii

의학적 면책 조항

이 콘텐츠는 교육 및 정보 제공 목적으로만 제공됩니다. 전문적인 의학적 조언, 진단 또는 치료의 대체물로 의도되지 않습니다. 의학적 상태에 관한 질문이 있으면 항상 의사 또는 기타 자격을 갖춘 의료 제공자의 조언을 구하세요. 이 웹사이트에서 읽은 내용 때문에 전문적인 의학적 조언을 무시하거나 그것을 구하는 것을 미루지 마세요.