scalene tubercle of Lisfranc (Lisfranc tubercle, tubercle of anterior scalene muscle)

Introduction

A small spine on the inner edge of the first rib.

• gives attachment to the scalenus anterior muscle
• demarcate the grooves for the subclavian artery (anteriorly) & subclavian vein (posteriorly)

More general terms

• tubercle (tuberculum)

Additional terms

• rib