Rotator Cuff Muscles Flashcards
What is the Origin of Infraspinatus
Infraspinous Fossa
What is the Insertion of Infraspinatus
Greater Tubercle of Humerus (middle facet)
What is the Action of Infraspinatus
Lateral (external) Rotation
What is the Innervation of Infraspinatus
Suprascapular Nerve
What is the Location of Teres Minor
Lateral/Deep to Infraspinatus
What is the Origin of Teres Minor
Lateral Border of Scapula
What is the Insertion of Teres Minor
Greater Tubercle of Humerus (inferior facet)
What is the Action of Teres Minor
Lateral (external) Rotation of Humerus
What is the Innervation of Teres Minor
Axillary Nerve
What are the Origins of Deltoid
Anterior - Lateral 1/3 of Clavicle
Middle - Acromion
Posterior - Spine of Scapula
What is the Insertion of Deltoid
Deltoid Tuberosity
What are the Actions of Deltoid
Anterior - Flexion, Medial Rotation
Middle - Abduction
Posterior - Extension and Lateral Rotation of Humerus
What is the Innervation of Deltoid
Axillary Nerve
What is the Origin of Subscapularis
Subscapular Fossa
What is the Insertion of Subscapularis
Lesser Tubercle of Humerus