Anatomy | Specific Bony Features of the Humerus & Left vs. Right

What is the function of the head of the humerus?

• It supports the wrist.

• It attaches to the shoulder joint.

• It forms the knee joint.

• It connects to the elbow joint.

Where is the deltoid tuberosity located on the humerus?

• On the posterior side only

• Midway down the bone

• At the distal end of the humerus

• Near the head of the humerus

Which structure is larger on the humerus, the medial or lateral epicondyle?

• Neither, they are not on the humerus

• Both are the same size

• Lateral epicondyle

• Medial epicondyle

What is the significance of the olecranon fossa?

• It is a muscle attachment site.

• It is where the ulna fits to form the elbow joint.

• It connects to the shoulder joint.

• It is part of the wrist joint.

How can you identify the anterior view of the humerus?

• By locating the olecranon fossa

• By seeing the three ridges

• By identifying the greater tubercle

• By finding the deltoid tuberosity

What direction should the head of the humerus face to determine if it is a left or right humerus?

• Away from the torso

• Towards the wrist

• Towards the elbow

• Towards the torso

Which structure is used to determine the left or right humerus?

• The intertubercular groove

• The head of the humerus

• The olecranon fossa

• The deltoid tuberosity