Medial triangular space

Dr Craig Hacking and Dr Henry Knipe et al.

The medial (or upper) triangular space is a communication between the axilla and the posterior scapula region. It should not be confused with the similarly named lateral (lower) triangular space.

Gross anatomy

It is a medially pointing triangle with a base laterally and apex inferomedially.

Boundaries
Contents
Anatomy: Upper limb
Share article

Article information

rID: 29715
Section: Anatomy
Synonyms or Alternate Spellings:
  • Upper triangular space
  • Medial axillary foramen

Support Radiopaedia and see fewer ads

Cases and figures

  • Figure 1: medial triangular space
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.