Shoulder

Question 0

Pectoralis minor

Answer 0

Proximal att: anterior surface of ribs 3-5 near the costal cartilages.

Distal att: medial border and anterior surface of the coracoid process of the scapula.

Question 1

Pectoralis major

Answer 1

Proximal att:
Clavicular head- the anterior surface of the medial half of the clavicle.
Sternal head- anterior surface of sternum, superior 6 costal cartilages, aponeurosis of the external oblique.

Distal att: lateral lip of intertubercular sulcus of humerus

Nerve: medial and lateral pectoral nerves

Question 2

Subclavius

Answer 2

Proximal att: junction of first rib and its costal cartilage.

Distal att: inferior surface of middle third of the clavicle.

Question 3

Serratus anterior

Answer 3

Proximal att: external surfaces of lateral portions ribs 1-8.

Distal att: anterior surface of the medial border of the scapula.

Question 4

Trapezius

Answer 4

Medial att: external occipital protuberance, medial third of superior nuchal line, nuchal ligament, C7-T12

Lateral att: lateral third of clavicle, acromion and spine of scapula

Question 5

Latissimus dorsi

Answer 5

Medial att: spinous process of inferior 6 thoracic v, thoracolumbar fascia, iliac crest, inferior 3-4 ribs.

Lateral att: floor of intertubercular sulcus of humerus.

Nerve: thoracodorsal nerve (C6, 7 and 8)

Question 6

Levetor scapula

Answer 6

Medial att: posterior tubercles of transverse processes of C1-4.

Lateral att: medial border of scapula superior to root of spine

Question 7

Rhomboid minor

Answer 7

Medial att: nuchal ligament, spinous process of C7 and T1

Lateral att: triangular area at medial end of scapular spine.

Question 8

Rhomboid major

Answer 8

Medial att: spinous process of T2-5.

Lateral att: the medial border of the scapula from level of spine to inferior angle.

Question 9

Deltoid

Answer 9

Proximal att: lateral third of the clavicle, acromion, and spine of scapula

Distal: deltoid tuberosity of humerus

Question 10

Supraspinatus

Answer 10

Medial att: supraspinatus fossa of scapula

Lateral att: superior facet of greater tubercle of humerus

Question 11

Infraspinatus

Answer 11

Medial att: Infraspinatus fossa of scapula

Lateral att: middle facet of greater tubercle of humerus

Question 12

Teres minor

Answer 12

Medial att: middle part of the lateral border of scapula

Lateral att: inferior facet of greater tubercle of humerus.

Question 13

Teres major

Answer 13

Medial att: inferior part of the lateral border of scapula and posterior surface of inferior angle of scapula

Lateral att: medial lip of intertubercular sulcus of humerus

Question 14

Subscapularis

Answer 14

Medial att: subscapular fossa (most anterior surface of scapula)

Lateral att: the lesser tubercle of humerus