When it comes to exercises performed on the floor, there are several synonyms that can be used for the term "floor exercise." These include mat exercises, ground exercises, flat surface exercises, and mat work. Mat exercises refer to any form of physical activity that is performed on a soft, cushioned mat. Ground exercises are exercises performed directly on the ground, with no additional equipment or apparatus needed. Flat surface exercises are exercises that are performed on any flat surface, whether it be the floor or a mat. Finally, mat work refers to any type of exercise or routine that is performed on the floor, often focusing on strength, flexibility, and relaxation.