Shoulder

Question 1

Origin of the Supraspinatus

Answer 1

Supraspinous Fossa of Scapula

Question 2

Insertion of the supraspinatus

Answer 2

Upper facet of Greater tubercle of Humerus

Question 3

Innervation of the supraspinatus

Answer 3

Suprascapular N.

Question 4

Action of the supraspinatus

Answer 4

Abduction

Question 5

Origin of the Infraspinatus

Answer 5

Infraspinous fossa of Scapula

Question 6

Insertion of the infraspinatus

Answer 6

Middle facet of Greater tubercle of Humerus

Question 7

Innervation of the infraspinatus

Answer 7

Suprascapular N.

Question 8

Action of the infraspinatus

Answer 8

Lateral rotation of Humerus

Question 9

Origin of the teres major

Answer 9

Inferior lateral border of Scapula

Question 10

Insertion of the teres major

Answer 10

Medial lip of Bicipital groove of Humerus

Question 11

Innervation of the teres major

Answer 11

Lower subscapular N.

Question 12

Action of the teres major

Answer 12

Medial rotation, Adduction, Extension of Humerus

Question 13

Origin of the teres minor

Answer 13

Superior, Lateral border of Scapula

Question 14

Insertion of the teres minor

Answer 14

Lower facet of Greater tubercle of Humerus

Question 15

Innervation of the teres minor

Answer 15

Axillary N.

Question 16

Action of the teres minor

Answer 16

lateral rotation the humerus

Question 17

Origin of the subscapularis

Answer 17

Subscapular fossa of Scapula

Question 18

Insertion of the subscapularis

Answer 18

Lesser tubercle of the humerus

Question 19

Innervation of the subscapularis

Answer 19

Upper and lower subscapular nerve

Question 20

Action of the subscapularis

Answer 20

medial rotation of the humerus

Question 21

Origin of the detoid

Answer 21

Lateral Clavicle, Acromion process & Spine of Scapula

Question 22

insertion of the deltoid

Answer 22

Deltoid tuberosity of Humerus

Question 23

innervation of the deltoid

Answer 23

axillary nerve

Question 24

Action of the deltoid ANT POST MID

Answer 24

ANT: Abduction, Flexion,
Medial Rotn (Slight);
POST: Abduction, Extension,
Lateral rotation (slight); MID: Abduction

Question 25

Origin of the Pectoralis Major

Answer 25

Medial Clavicle, Sternum, Costal Cartilage of Ribs 1-7

Question 26

Insertion of the pec major

Answer 26

Lateral lip of bicipital groove of Humerus

Question 27

innervation of the pec major

Answer 27

Medial & Lateral Pectoral N.

Question 28

Action of the pec major

Answer 28

Adduction, clavicular fibre flexes to 60, Medial rotation of Humerus, • horizontal flexion form abducted position, • when arm elevated sternal fibres extend, • when abducted > 100°then clavicular fibres abduct

Question 29

Origin of the latissimus dorsi

Answer 29

Spinous processes of Vertebrae T7-L5, Posterior Sacrum, Posterior iliac crest

Question 30

Insertion of the latissimus dorsi

Answer 30

Medial Floor of bicipital groove of Humerus

Question 31

Innervation of the latissimus dorsi

Answer 31

Thoracodorsal N.

Question 32

Action of the latissimus dorsi

Answer 32

Extension, Adduction & Medial rotation of the Humerus