The Plastic Wobble Board made by SPRI, Libertyville, Ill, is a board designed to improve balance and coordination. According to SPRI, wobble boards can help strengthen the ankles and knees as well as help prevent sprains and other common injuries. Wobble boards can also increase coordination, balance, and core strength stability. In addition, the board can be used to strengthen the entire body when the unstable aspect of the board is used.

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Source: SPRI