Mięsień podgrzebieniowy - Musculus infraspinatus

Hierarchia anatomiczna

Terminy ogólne > Myology > Muscles of thoracic limb > Mięsień podgrzebieniowy



The infraspinatus muscle occupies the infraspinous fossa, and crosses the lateral part of shoulder joint ot the roughened area of the greater tubercle of humerus. It acts as a lateral collateral ligament of the shoulder joint.

Origin: Infraspinous fossa, scapular spine and the caudal border of the scapula.

Insertion: Distal to the greater tubercle of the humerus.

Action: Outward rotator and abductor of the humerus and a flexor or extensor of the shoulder joint, depending on the position of the joint when the muscle contracts.

Nerve: Suprascapularis.

Text by Antoine Micheau, MD - Copyright IMAIOS
Illustrated Veterinary Anatomical Nomenclature - 3rd edittion - Gheorghe M. Constantinescu, Oskar Schaller - Enke


Pobierz vet-Anatomy

Użytkownicy telefonów komórkowych i tabletów mogą pobrać w Appstore lub na Googleplay.

vet-Anatomy na Appstore vet-Anatomy  na Googleplay