bosu ball
Half-sphere trainer
A bosu ball is a fitness device consisting of an inflated rubber dome attached to a rigid platform—essentially half a stability ball.
The name comes from "both sides up," reflecting that it can be used dome-side up for balance training or flipped over for different exercises.
She did squats on the bosu ball to work her core.
- balanceSteadiness or amount owed
- stabilityResistance to displacement
- wobbleUnsteady side-to-side motion
- coreCentral essential portion
- trainerOne who conditions others
personal trainer · dome · platform · squat · plank · fitness · gym · home gym · inflatable · rubber · workout · exercise · exercise equipment · proprioception · ankle · rehab · physical therapist · strength