Exercise is crucial for older adults, but it can be hard to know where to begin. If you haven’t worked out for a while, re-entry into the active world can be daunting. There’s also a good chance the exercises you were once accustomed to aren’t ideal for older adults.

Before you launch into an exercise regimen, it’s important to check with a physician to ensure you’re healthy enough for exercise, and to see which exercises are ideal for your current fitness level.

1. Water aerobics