Which bone(s) have trochanters?

The femur is the only bone among the options that possesses trochanters. Trochanters are large, rounded, and often roughened projections found specifically on the femur. These bony prominences serve as important attachment points for muscles and ligaments, particularly those involved in the movement and stability of the hip and thigh. The greater and lesser trochanters are critical for the attachment of muscles such as the gluteus medius and iliopsoas.

In contrast, the humerus, scapula, and sternum do not feature trochanters. The humerus has other bony landmarks, such as tubercles and epicondyles, while the scapula is characterized by processes like the acromion and coracoid. The sternum, being a flat bone in the chest that serves as the central bone of the rib cage, lacks any similar structures related to muscle attachment like trochanters. Therefore, the femur stands out as the correct answer as the bone that possesses trochanters.