Psoas Minor

Joe Muscolino November 10, 2020

This muscle is part of MUSCLE ANATOMY MASTER CLASS. Learn more….

Click here for access to the full Anatomy Glossary.
Right click on the image for a downloadable file of this muscle.
Use of this artwork requires proper credit to be given (Permission: Dr. Joe Muscolino. www.learnmuscles.com – art work Giovanni Rimasti)

ATTACHMENTS:

The psoas minor attaches from the anterolateral bodies of T12 and L1 to the pelvic bone.

ACTIONS:

The psoas minor flexes the trunk at the spinal joints and posteriorly tilts the pelvis at the lumbosacral joint.

NOTE: The psoas minor should not be confused with the psoas major.

Related Articles:

Cadaver Anatomy of the Musculature of the Chest and Abdomen (1 CE Hour)
Psoas Major Function: Introduction & Muscle Biomechanics
The Psoas Major may hold the distinction of being the most important as well as the most misunderstood muscle in the human body.
Muscles of the Lumbar Spine of the Trunk
Structural groups of muscles largely determine functional groups—that is, the structural location of a muscle largely determines its mover function.

SPRING sale! 15% DISCOUNT + FREE ebooks! Use code HOT15 (new subscribers only)