In a well-lit indoor gymnasium, a group of approximately ten young individuals are engaged in a coordinated warm-up routine. They are performing jumping jack exercises in unison, with arms raised above their heads and legs spread apart. The gymnasium is sparsely furnished, with several hanging punching bags along one wall. The walls are painted in neutral tones, with some areas showing signs of wear and tear. The ceiling is high, with exposed metal beams and roofing. Most of the individuals are dressed in athletic wear, and the general atmosphere is one of focused physical training.