**Core Concept**
The head of the fibula is a small, distal prominence of the fibular bone, located in the lower leg. Injury to this area can involve surrounding structures, including muscles, tendons, and nerves.

**Why the Correct Answer is Right**
The common peroneal nerve, also known as the common fibular nerve, is closely associated with the head of the fibula. It wraps around the lateral aspect of the fibular neck, making it susceptible to injury in this region. This nerve plays a crucial role in innervating the muscles responsible for foot and ankle movement.

**Why Each Wrong Option is Incorrect**
**Option A:** The anterior tibial artery is not typically involved in injuries to the head of the fibula. However, the nearby posterior tibial artery is more likely to be affected due to its proximity to the fibular head.
**Option B:** The peroneus longus tendon is closely related to the head of the fibula, as it originates from the lateral surface of the fibula. Therefore, it can be involved in injuries to this area.
**Option C:** The peroneus brevis tendon also originates from the fibula, specifically from the lateral surface, and can be affected by injuries to the head of the fibula.

**Clinical Pearl / High-Yield Fact**
When assessing patients with injuries to the head of the fibula, it's essential to evaluate the common peroneal nerve for potential damage, as this can lead to foot drop and other motor and sensory deficits.

**Correct Answer:** A. The anterior tibial artery is not typically involved in injuries to the head of the fibula.