Health-related fitness is mainly to benefit your body and fight diseases such as diabetes and performance-related fitness is more of an aesthetic or look.
The stretching of the wrists in circle to stretch out is a type of a non-locomotive motion which is a motion that does not require displacement in the place. In this case,the stretching of the hands is a movement to combat repititive stress in typing the keyboard in this case
You can eat more fruits and vegetables. Also exercise more.
