Shin splints, also known as medial tibial stress syndrome, involve inflammation of the muscles, tendons, and bone tissue around the tibia. The tibia, also known as the shinbone, is the larger of the two bones in the lower leg. While shin splints primarily affect the muscles and tendons, they can also involve the bone itself.
The pain associated with shin splints typically occurs along the inner border of the tibia, where the muscles attach to the bone. This area is known as the medial aspect of the tibia. The most common location of shin splint pain is on the inside edge of the tibia.
It is important to note that shin splints are not solely a bone issue or a muscle issue, but rather a condition that involves both structures. The repeated stress and strain placed on the muscles and tendons during activities such as running or jumping can lead to inflammation and irritation. This can cause pain along the inner surface of the tibia.
The muscles involved in shin splints are primarily the posterior tibialis muscle, which runs along the inner aspect of the shinbone, and the soleus muscle, which is located deeper within the calf. These muscles play a significant role in foot and ankle movement, and their repetitive use can contribute to the development of shin splints.
In addition to the muscles, the tendons that attach these muscles to the bone can also be affected. The repetitive stress placed on these tendons can lead to inflammation and pain. The posterior tibial tendon, in particular, is commonly involved in shin splint cases.
Furthermore, the bone tissue itself can also be affected in shin splints. The repetitive stress and strain placed on the tibia can lead to small microfractures, known as stress fractures. These tiny cracks in the bone can cause significant pain and discomfort.
Shin splints involve inflammation of the muscles, tendons, and bone tissue around the tibia. While the primary source of pain is often the muscles and tendons, the bone can also be affected, particularly in cases involving stress fractures. Therefore, shin splints can be considered as both a muscle and bone issue.