A large inflatable ball used for supported movement, balance and selected trunk exercises.
Why Stability ball matters
It can change stability demands, but instability is not automatically more effective.
A practical example
Using the ball for a controlled hamstring curl on a clear floor.
Common mistake
Using it under heavy loads where an unstable surface adds unnecessary risk.
Keep the context in mind.
Training and nutrition terms describe general principles. The right exercise, intensity or food target still depends on your experience, health, goals and schedule.
Personalised coaching
Apply the principle to your own training.
A definition is useful, but your programme still needs to match your experience, schedule, recovery and goals.
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