TRNR Gym Ball 55cm Colour:Grey Unlike with standard rubber loop

Unlike with standard rubber loop bands

or competing in the ring

Contents: 65% Polyester

The inflatable goal post structure floats on top of the water

TRNR Gym Ball 55cm Colour:Grey Unlike with standard rubber loopThe 55 cm TRNR Gym Ball is a must have training tool, delivering greater core strength, balance, coordination, range of motion, joint stability, and postural alignment. By adding instability to your workouts, your deep abdominals, back and pelvic floor muscles have to work harder to keep you in position. This makes it ideal to strengthen these often neglected muscles, preventing muscle imbalances, back pain, and injuries. Though specifically designed