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ANATOMY / REFERENCE GALLERY1 / 2 references
The left panel shows the superficial pelvic and thigh muscles, the center panel shows the deep pelvic and thigh muscles. The right panel shows the posterior view of the pelvic and thigh muscles.
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Rectus femoris

Quadriceps component that crosses hip and knee.

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

The left panel shows the superficial pelvic and thigh muscles, the center panel shows the deep pelvic and thigh muscles. The right panel shows the posterior view of the pelvic and thigh muscles.

Image: OpenStax / University of Hawaiʻi adapted teaching figures; original contributors credited at source · Source / original · CC BY 4.0 — figure credits at source

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

Quadriceps femoris

Hip & thigh muscles

Quadriceps femoris

STRUCTURE & FUNCTION

Understand what you see.

Main knee extensor group, supplied by femoral nerve.

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. Anterior thigh muscle group
  2. Four principal components
  3. Common tendon reaches patella
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 (1)

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

  • Vasti
03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

01How do you identify quadriceps femoris?
SUGGESTED ANSWER

Anterior thigh muscle group. Four principal components. Common tendon reaches patella.

02Which component crosses the hip?
SUGGESTED ANSWER

Rectus femoris, which also contributes hip flexion.

03What does the patellar reflex test?
SUGGESTED ANSWER

Femoral nerve and L2–L4 segments, especially L4, through the quadriceps response.

04What is its main functional or developmental significance?
SUGGESTED ANSWER

Main knee extensor group, supplied by femoral nerve. Key structures to recognise: Rectus femoris; Vasti; Patellar ligament.

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.