OBJECTIVES: Postural control and hand dexterity are significantly impaired in people with multiple sclerosis (pwMS). Aquatic interventions may have additional benefits in the treatment of pwMS. The purpose of this study is to compare the effects of two different aquatic exercises on postural control and hand function. METHODS: Thirty pwMS, relapsing-remitting type were randomly divided into a Halliwick (Hallw) and an aquatic plyometric exercise (APE) group. The Limits of Stability test was used to evaluate postural control using the Biodex Balance System. The Nine-Hole Peg Test was used to evaluate hand dexterity. Both exercise interventions were performed twice a week for 8 weeks, in a pool with a depth of 120 cm and water temperature of 30 to 31 degrees C. RESULTS: Limits of stability improved significantly in both groups (p < 0.05) and Hallw group completed the test in a significantly shorter time (p < 0.05). Hand dexterity improved significantly in both groups (p < 0.01). Following intergroup analysis, Hallw group showed significantly higher improvement in hand dexterity and overall limits of stability test score (p < 0.05). CONCLUSIONS: This study provides evidence that both Halliwick and APE are effective to treat balance and hand dexterity. This paper is the first evidence on APE for pwMS and showed that it is safe and improved trunk control and hand dexterity.

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