Flashcards in Rotator Cuff Muscles Deck (4)
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1
Q
Supraspinatus
A
Origin -
Superior to spine of scapula
Insertion -
Greater tuberosity of humerus (superior)
Actions -
Abduction
2
Q
Infraspinatus
A
Origin -
Posterior surface below spine of scapula
Insertion -
Greater tuberosity of humerus (posterior)
Actions -
Horizontal extension of the shoulder
Lateral rotation of the shoulder
Stabilisation of the shoulder
3
Q
Subscapularis
A
Origin -
Anterior surface of scapular
Insertion -
Lesser tuberosity of humerus
Actions - Medial rotation of the shoulder Adduction of the shoulder Extension of the shoulder Stabilisation of the shoulder
4
Q
Teres Minor
A
Origin -
Lateral border of the scapula
Insertion -
Greater tuberosity of humerus
Actions -
Lateral roatation
Stabilisation of the shoulder joint
