Complex sentence: Osgood-Schlatter disease or syndrome (also known as tibial tubercle apophyseal traction injury) is a rupture of the growth plate at the tibial tuberosity, and is one of a group of conditions collectively called osteochondroses.
Split into simpler sentences: Osgood-Schlatter disease or syndrome (also known as tibial tubercle apophyseal traction injury) is a rupture of the growth plate at the tibial tuberosity. It is one of a group of conditions collectively called osteochondroses.