Muscles OIAN of Shoulder Complex Flashcards
Origin and Insertion of Serratus Anterior
Origin- Anterior and lateral on ribs 2-8
Insertion- Medial border of the scapula
Action of the Serratus Anterior
Protraction and upward rotation
Innervation of the Serratus Anterior
Long thoracic nerve
What muscle has it’s origin at the Anterior and lateral on ribs 2-8 and an insertion of the medial border of the scapula
The Serratus Anterior
Which muscle has an Innervation of the Long thoracic nerve?
The Serratus Anterior
What is the origin and insertion of the Rhomboid Major?
Origin- Spinous Process of C7-T4
Insertion- Medial border of the scapula
What is the action of the rhomboid Major?
Retraction
What is the innervation of the rhomboid major?
Dorsal Scapula nerve
Which muscle has it’s origin at the spinous processes of C7-T4 and an insertion of the medial border of the scapula?
The Rhomboid Major
What is the muscle with an innervation of the Dorsal scapular nerve?
The Rhomboid Major and Rhomboid Minor
What is the origin and insertion of the Rhomboid minor?
Origin- Spinous process of C7
Insertion- Medial border of the scapula at the spine of the scapula
What is the action of the Rhomboid Minor?
Retraction
What is the origin and insertion of the Pectoralis Minor?
Origin- Anterior and lateral position on ribs 3-5
Insertion- Coracoid process
What is the action of the Pectoralis Minor?
Depression, downward rotation, protraction
What is the innervation of the pectoralis minor?
Median Pectoral nerve
