TRNR Stability Ball 55cm - Blue AS NEW AUG 2022 allowing the swimmer to focus

allowing the swimmer to focus solely on technique and proper body position by eliminating breathing motion

But that’s not all

Dual air chambers with separate safety valves

No bleach or iron

TRNR Stability Ball 55cm - Blue AS NEW AUG 2022 allowing the swimmer to focusHigh density and anti burst, the TRNR Stability Ball in 55 cm diameter is designed to boost core strength and balance, making it an excellent tool for Pilates movements. The inherent challenge it provides engages the deep abdominals, back, and pelvic floor muscles, promoting better postural alignment. This can help to strengthen often neglected muscles, thus preventing muscle imbalances, back pain, and potential injuries. The Stability Ball is also a