Humerus Attachments

1. Which muscle inserts on the deltoid tuberosity of the humerus?

• a) Supraspinatus
  

• b) Deltoid

• c) Teres major

• d) Infraspinatus

The greater tubercle of the humerus serves as the insertion point for all of the following muscles EXCEPT:

• a) Supraspinatus

• b) Infraspinatus

• c) Subscapularis

• c) Teres major

Which muscle originates from the lateral border of the scapula and inserts on the greater tubercle of the humerus?

• a) Teres major
  

• b) Teres minor

• c) Subscapularis

• d) Latissimus dorsi

The intertubercular sulcus (bicipital groove) serves as the insertion site for which of the following muscles?

• a) Teres minor
  

• b) Latissimus dorsi

• c) Supraspinatus

• d) Infraspinatus

Which muscle originates from the subscapular fossa and inserts onto the lesser tubercle of the humerus?

• a) Supraspinatus
  

• b) Subscapularis

• c) Infraspinatus

• d) Pectoralis major

The long head of the biceps brachii originates from which part of the humerus?

• a) Intertubercular sulcus
  

• b) Supraglenoid tubercle of scapula

• c) Coracoid process

• d) Shaft of the humerus

The lateral epicondyle of the humerus is the common origin for which group of muscles?

• a) Forearm flexors
  

• b) Forearm extensors

• c) Shoulder adductors

• d) Arm flexors

Which of the following muscles inserts at the medial lip of the intertubercular sulcus of the humerus?

• a) Latissimus dorsi
  

• b) Pectoralis major

• c) Teres major

• d) Deltoid

Which muscle originates from the posterior surface of the humerus, above the radial groove?

• a) Long head of triceps brachii
  

• b) Lateral/short head of triceps brachii

• c) Medial head of triceps brachii

• d) Brachialis

The teres major inserts onto which part of the humerus?

• a) Greater tubercle
  

• b) Deltoid tuberosity

• c) Medial lip of intertubercular sulcus

• d) Radial groove