Muscles Of The Shoulder

Question 1

Trapezius

Answer 1

Org- occipital bone, C7-T12 vertebrae, nuchal ligament

Ins- spine of scapula, acromion, clavicle

Question 2

Lattismus Dorsi

Answer 2

Org- lower ribs, iliac crest, thracolumbar fascia

Ins- crest of lessor tubercle of humerus

Question 3

Rhomboids

Answer 3

Org- Spinous processes C6-C7, T1-T4 vertebrae

Ins- medial margin of scapula

Question 4

Lavator scapulae

Answer 4

Org- transverse processes of C1-C4 vertebrae

Ins- superior angle of scapula

Question 5

Pectoralis major

Answer 5

Org- superior 6 costal cartilages, medial part of clavicle, sternum

Ins- crest of greater tubercle

Question 6

Pectoralis minor

Answer 6

Org- 3-5th ribs

Ins- coracoid process of scapula

Question 7

Serratus anterior

Answer 7

Org- 1-9th ribs

Ins -medial margin of scapula

Question 8

Deltoid

Answer 8

Org- clavicle,acromion, spine of scapula

Ins- deltoid tuberosity of humerus

Question 9

Supraspinatus

Answer 9

Org- supraspinous fossa

Ins- greater tubercle

Question 10

Infraspinatus

Answer 10

Org- infraspinous fossa

Ins- greater tubercle

Question 11

Teres minor

Answer 11

Org- lateral margin of infraspinous fossa

Ins- greater tubercle

Question 12

Teres major

Answer 12

Org- inferior angle of scapula

Ins- crest of lessor tubercle

Question 13

Subscapularis

Answer 13

Org- subscapular fossa

Ins- lessor tubercle