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Trapezius: cervical part: magnified reference view with a numbered learning marker. The complete original plate is available in the next view.
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Trapezius: cervical part

Broad superficial muscle of posterior neck and upper back. Forms posterior boundary of the posterior triangle. Attaches to clavicle, acromion and scapular spine.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

Trapezius: cervical part: magnified reference view with a numbered learning marker. The complete original plate is available in the next view.

Image: OpenStax College · Source / original · CC BY 4.0

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Trapezius: cervical part

Neck muscles & regions

Trapezius: cervical part

STRUCTURE & FUNCTION

Understand what you see.

Broad superficial muscle of posterior neck and upper back.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. Broad superficial muscle of posterior neck and upper back
  2. Forms posterior boundary of the posterior triangle
  3. Attaches to clavicle, acromion and scapular spine
02 / KEY STRUCTURES

Point them out.

Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.

Related features & study points (3)

Additional relations, attachments or microscopic details to revise alongside this plate. These are separate from its numbered image landmarks.

  • Upper fibres
  • Nuchal attachment
  • Clavicular attachment
03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

Examiner-style prompts: identify the structure, explain its relations, then answer the applied follow-up. These are revision questions, not authenticated past papers.

01Identify trapezius: cervical part and justify your identification.
SUGGESTED ANSWER

Broad superficial muscle of posterior neck and upper back. Forms posterior boundary of the posterior triangle. Attaches to clavicle, acromion and scapular spine.

02Which nerve supplies motor fibres?
SUGGESTED ANSWER

Spinal accessory XI; cervical nerves contribute sensory/proprioceptive fibres.

03What finding may follow accessory nerve injury?
SUGGESTED ANSWER

Weak shoulder elevation and impaired scapular control, particularly affecting overhead abduction.

Read the references.

Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.