Health is the complete state of mental, physical and social well-being and not merely the absence of disease or infirmity. W.H.O. definition of health.
This picture shows a progression of seated exercises. This will strengthen leg muscles and improve postural control and balance.
|Here is the Tennis Ball example.|
|Now the ball is being thrown to the side (laterally) and the ball is a weighted medicine ball. The increased weight makes the task more challenging.|
|Next Step: Standing on an unstable surface. This device is called a Bosu Balance Trainer or Bosu Ball. There are other brands but Bosu is probably the most widely known.|
|This is the "I wish" picture. Maybe you can do this. I cannot... Yet.|