Final answer:
The lateral epicondyle is the bony landmark located on the lateral side of the proximal humerus. It serves as an attachment point for muscles that act on the forearm, wrist, and hand.
Step-by-step explanation:
The lateral epicondyle is the bony landmark located on the lateral side of the proximal humerus. It is a small projection found on the lateral side of the distal humerus. The lateral epicondyle, along with other bony landmarks such as the greater tubercle and lesser tubercle, serves as an attachment point for muscles that act on the forearm, wrist, and hand.