Sartorius - Horse Anatomy | Inside The Equine
Muscular System

Sartorius

Musculus sartorius

Overview

A long, strap-like muscle on the medial thigh. Flexes the hip and adducts the hindlimb. Runs from the ilium to the medial stifle region.

Anatomical Details

Origin: Iliac fascia and tendon of the psoas minor

Insertion: Medial patellar ligament and tibial crest

Action: Flexes the hip; adducts the hindlimb

Innervation: Saphenous nerve (from femoral nerve, L4-L5)

Common Conditions & Injuries

Medial thigh strain

Strain from excessive hindlimb abduction during slipping or wide-stance situations.

Frequently Asked Questions

What is Medial thigh strain in horses?

Strain from excessive hindlimb abduction during slipping or wide-stance situations. Signs include: Shortened hindlimb stride; reluctance to adduct the hindlimb; pain on palpation of the inner thigh; base-wide stance behind.

Explore This Structure in 3D

See the Sartorius on our interactive 3D horse model. Open 3D Model