Upgrade your typical medicine ball to the Merrithew™ Twist Ball™ With Hand Pump. A shifting center of sand challenges the core, maximizing exercises.
Use the medicine ball as you normally would with a more challenging twist
Can be used to train upper and lower body as well as your core
The handles can slip over an ankle for leg lifts
Hand covers are removable and easy on the skin
Includes VELCRO® straps and 8″ pump
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