In contrast, square dance generally has a strong sense of rhythm and a large range of movements, which means it is more intense than playing Tai Ji Chuan, so it hurts your knees more.
While playing Tai Ji Chuan is generally slow, with a certain buffer. You can adjust yourself when you feel unwell, and the action requirements are not so strict. You can also do some actions, such as "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu", "Ma bu".