What exactly is shin splints? Are they treatable? Shin splints is a condition characterized by damage and inflammation of the connective tissue joining muscles to the inner shin bone (tibia). Shin splints are known by many different names such as: Medial Tibial Tenoperiostitus, MTSS, Medial Tibial Stress Syndrome, Tenoperiostitus of the Shin, Inflammatory Shin Pain, Traction Periostitis, and Posterior Shin Splint Syndrome. Several muscles lie at the back of the lower leg, and are collectively known as the calf muscles….