Shoulder

Question 1

Deltoid: O

Answer 1

Lateral 1/3 of Clavicle (ant. head), Acromion (mid. head) and Spine of Scapula (post. head)

Question 2

Deltoid: I

Answer 2

Deltoid Tuberosity of Humerus

Question 3

Deltoid: N

Answer 3

Axillary nerve (C5-C6)

Question 4

Deltoid: A

Answer 4

• Flexes and medially rotates arms (anterior part)
• abducts arm (middle part)
• Extends and laterally rotates arm (posterior part)

Question 5

Teres Major: O

Answer 5

Dorsal surface of inferior angle of scapula

Question 6

Teres Major: I

Answer 6

Medial lip of Intertubercular Groove of Humerus (bicipital groove)

Question 7

Teres Major: N

Answer 7

Lower subscapular nerve (C6; C7)

Question 8

Teres Major: A

Answer 8

Adducts and medially rotates arm (Humerus)

Question 9

Supraspinatus: O

Answer 9

Supraspinus Fossa of Scapula

Question 10

Supraspinatus: I

Answer 10

Superior facet of Greater Tubercle of Humerus

Question 11

Supraspinatus: N

Answer 11

Suprascapular nerve (C4-6)

Question 12

Supraspinatus: A

Answer 12

• Initiates and assists deltoid in abduction of arm

- holds head of Humerus in Glenoid Cavity

Question 13

Infraspinatus: O

Answer 13

Infraspinous Fossa of Scapula

Question 14

Infraspinatus: I

Answer 14

Middle facet of Greater Tubercle of Humerus

Question 15

Infraspinatus: N

Answer 15

Suprascapular nerve (C5-6)

Question 16

Infraspinatus: A

Answer 16

• Laterally rotates arm (humerus),

- holds head of Humerus in Glenoid Cavity

Question 17

Teres Minor: O

Answer 17

Superior part of Lateral Border of Scapula

Question 18

Teres Minor: I

Answer 18

Inferior facet of Greater Tubercle of Humerus

Question 19

Teres Minor: N

Answer 19

Axillary Nerve (C5-6)

Question 20

Teres Minor: A

Answer 20

• Laterally rotates arm

- holds head of Humerus in Glenoid Cavity

Question 21

Subscapularis: O

Answer 21

Subscapular Fossa of Scapula

Question 22

Subscapularis: I

Answer 22

Lesser Tubercle of Humerus

Question 23

Subscapularis: N

Answer 23

Upper and Lower Scapular Nerves (C5-7)

Question 24

Subscapularis: A

Answer 24

• Medially rotates and adducts arm

- holds head of Humerus in Glenoid Cavity