Take a look back in history just 100 years our ancestors would use daily movement of muscles and limbs just to prepare a basic meal .
Cutting of the grass ,Making bread milking cows etc list goes on .
Take a look at today’s modern lifestyle ,some individuals are in the gym Yoga or fitness but others are just using fingers to type and sit from car to Office with very little movement .
Tai chi has unique in it moves energy and blood it also focuses the mind if u concentrate on various application ,techniques its known as a moving Meditation .