Humerus Anatomy Quiz

What is the proximal aspect of the humerus articulating with?

• Glenoid fossa of the scapula

• Head of the radius

• Trochlear notch of the ulna

• Coronoid process

Which structure separates the greater and lesser tuberosities?

• Intertubercular sulcus

• Radial groove

• Surgical neck

• Deltoid tuberosity

Which muscle attaches to the greater tuberosity of the humerus?

• Biceps brachii

• Teres major

• Supraspinatus

• Subscapularis

What is the function of the surgical neck of the humerus?

• Articulation with the scapula

• Location of the axillary nerve and vessels

• Attachment for rotator cuff muscles

• Site of common origin for forearm flexors

Which nerve runs in the radial groove of the humerus?

• Axillary nerve

• Ulnar nerve

• Median nerve

• Radial nerve

What is the larger of the two epicondyles on the distal humerus?

• Capitulum

• Trochlea

• Medial epicondyle

• Lateral epicondyle

Which muscle attaches to the deltoid tuberosity?

• Deltoid muscle

• Coracobrachialis

• Biceps brachii

• Triceps brachii

What is the mnemonic to remember the muscles attaching to the intertubercular sulcus?

• A child between two parents

• A girl between two giants

• A man between two minors

• A lady between two majors

Which fossa accommodates the olecranon during elbow extension?

• Coronoid fossa

• Trochlear fossa

• Radial fossa

• Olecranon fossa

What is the shape of the humeral shaft in cross-section proximally?

• Square

• Circular

• Triangular

• Flattened