Shoulder region muscles

Question 1

Is this muscle extrinsic/intrinsic and superficial/deep: Pertoralis Major

Answer 1

Extrinsic
Superficial

Question 2

Is this muscle extrinsic/intrinsic and superficial/deep: Trapezius

Answer 2

Extrinsic
Superficial

Question 3

Is this muscle extrinsic/intrinsic and superficial/deep: Latissimus dorsi

Answer 3

Extrinsic
Deep

Question 4

Is this muscle extrinsic/intrinsic and superficial/deep: Pectoralis minor

Answer 4

Extrinsic
Deep

Question 5

Is this muscle extrinsic/intrinsic and superficial/deep: Serratus anterior

Answer 5

Extrinsic
Deep

Question 6

Is this muscle extrinsic/intrinsic and superficial/deep: Levator scapulae

Answer 6

Extrinsic
Deep

Question 7

Is this muscle extrinsic/intrinsic and superficial/deep: Rhomboid (Major+Minor)

Answer 7

Extrinsic
Deep

Question 8

Is this muscle extrinsic/intrinsic and superficial/deep: Deltoid

Answer 8

Intrinsic
Superficial

Question 9

Is this muscle extrinsic/intrinsic and superficial/deep: Teres major

Answer 9

Intrinsic
Superficial

Question 10

Is this muscle extrinsic/intrinsic and superficial/deep: Supraspinatus

Answer 10

Intrinsic
Deep

Question 11

Is this muscle extrinsic/intrinsic and superficial/deep: Infraspinatus

Answer 11

Intrinsic
Deep

Question 12

Is this muscle extrinsic/intrinsic and superficial/deep: Teres minor

Answer 12

Intrinsic
Deep

Question 13

Is this muscle extrinsic/intrinsic and superficial/deep: Subscapularis

Answer 13

Intrinsic
Deep

Question 14

What are the origins/insertions for Pectoralis Major?

Answer 14

Origin - Clavicular head + Sternocostal head
Insertion - Intertubercular sulcus of humerus

Question 15

What are the origins/insertions for trapezius?

Answer 15

Origin - skull, nuchal ligament, spinous process of C7, T12
Insertion - Clavicle, acromion and scapula spine

Question 16

What are the origins/insertions for Latissimus Dorsi?

Answer 16

Origin - Spinous process of T7-T12, iliac crest, thoracolumbar fascia, inferior 3 ribs

Question 17

What are the origins/insertions for Pectoralis minor?

Answer 17

Origin - 3rd to 5th ribs
Insertion - Coracoid process of scapula

Question 18

What are the origins/insertions for serratus anterior?

Answer 18

Origin - lateral aspect of ribs 1-8
Insertion - medial border of scapula

Question 19

What are the origins/insertions for levator scapulae?

Answer 19

Origin - Transverse process C1-C4
Insertion - medial border of scapula from superior angle to root of spine of scapula

Question 20

What are the origins/insertions for rhomboid major?

Answer 20

Origin - spinous processes of T2-T5
Insertion - medial border of the scapula between inferior angle and root of spine of scapula

Question 21

What are the origins/insertions for rhomboid minor?

Answer 21

Origin - nuchal ligament, spinous process C7-T1
Insertion - medial end of spine of scapula

Question 22

What are the origins/insertions for Teres Major?

Answer 22

Origin - Inferior angle and lower lateral border of scapula
Insertion - Intertubercular sulcus of humerus

Question 23

What are the origins/insertions for Deltoid?

Answer 23

Origin - Lateral 1/3 of clavicle, acromion spine of scapula
Insertion - Deltoid tuberosity of humerus

Question 24

What are the origins/insertions for supraspinatus?

Answer 24

Origin - Supraspinatus fossa
Insertion - Greater tubercle of humerus

Question 25

What are the origins/insertions for infraspinatus?

Answer 25

Origin - Infraspinatus fossa
Insertion - Greater tubercle of humerus

Question 26

What are the origins/insertions for Teres minor?

Answer 26

Origin - Lateral border of scapula
Insertion - Greater tubercle of humerus

Question 27

What are the origins/insertions for subscapularis?

Answer 27

Origin - Medial 2/3 of subscapular fossa
Insertion - Lesser tubercle of humerus