Shoulder

Question 1

Anterior Deltoid

Answer 1

A: shoulder flexion, abduction, horizontal adduction, medial rotation
•O: lateral third of clavicle

•I: deltoid tuberosity

Question 2

Middle Deltoid

Answer 2

A: shoulder abduction

• O: acromion process
• I: deltoid tuberosity

Question 3

Posterior Deltoid

Answer 3

• A: shoulder abduction, extension, lateral rotation and horizontal abduction
• O: spine of scapula
• I: deltoid tuberosity

Question 4

Supraspinatus

Answer 4

• A: shoulder abduction
• O: supraspinous fossa of scapula
• I: greater tubercle of humerus

Question 5

Infraspinatus

Answer 5

• A: shoulder lateral rotation, horizontal abduction
• O: infraspinous fossa of scapula

•I: greater tubercle of humerus

Question 6

Teres Minor

Answer 6

• A: shoulder lateral rotation, horizontal abduction and extension.
• O: axillary border of scapula

•I: greater tubercle of humerus

Question 7

Subscapularis

Answer 7

A: shoulder medial (internal) rotation

• O: subscapular fossa
• I: lesser tubercle of humerus