Extremely versatile compact and portable training tool !

• Excellent for a wide variety of balance, strengthening and rehabilitation exercises.

• Target:
  - Knee, ankle and foot stability.
  - Shoulder stability.
  - Core stability.
  - Exercise difficulty can be adjusted by simply increasing or decreasing the amount of air in the cushion

• More air decreases the difficulty as the cushion becomes more stable. Less air increases the difficulty as the cushion becomes soft and unstable.