What does periostitis refer to?

Periostitis refers specifically to the inflammation of the periosteum, which is a dense layer of vascular connective tissue that envelops the bones except at the surfaces of the joints. This condition often arises from repetitive stress or trauma to the bone, leading to pain, swelling, and tenderness along the affected area. In the context of athletic training, recognizing periostitis is crucial for appropriate management and prevention strategies.

The periosteum plays a vital role in bone health, as it contains nerves and blood vessels that are essential for bone repair and maintenance. Inflammation in this layer can result in significant discomfort and limit an athlete's performance if not addressed properly. Understanding the distinction of periostitis clarifies why it is not directly related to bone fractures or regeneration, which involve different physiological processes and conditions.