The Impact of a Rotating Balance Platform on Leg Neuromuscular Activity in Healthy Young Adults

Martin G. Rosario PT, Ph.D., CSFI, ATRIC1*, Carley Bowman SPT1, Abigail Versemann SPT1, Daniel Heistand SPT1

1Physical Therapy Program, Texas Woman’s University, Dallas, Texas, USA.

Balance is a functional activity that must be implemented in every type of rehabilitation for the back and lower extremities’ injury and pathology. With issues in these regions, balance is lessened, requiring exercises that enhance the patient’s stability.

Purpose: To determine the impact of activities on a rotating balance platform with tracking tasks for lower limb muscle activation.

Method: Twenty-five participants performed seven tasks on a balance board with a fixed middle fulcrum. For each trial, activation of the gastrocnemius and tibialis anterior muscles was recorded using surface electromyography. Upon examination of the EMG data, the following variables were quantified: time to peak muscle activation, time to decay of muscle contraction, and time of muscle contraction duration.

Results: A repeated measures ANOVA revealed that TA exhibited significant modifications (P<0.001) with less time to peak, duration, and decay, whereas GA only notably compensated (P<0.001) with shorter duration and decay.

Conclusion: For subjects with balance alterations due to slower nerve conduction or muscle weakness in the lower limb, we suggest incorporating activities with rotational movements on the balance board, where muscle activation is challenged due to surface and tracking activities. When endurance is prescribed, front-to-back tasks contribute to prolonged muscle activation. Balance rehabilitation should consider muscle activation timing with tracking tasks for more precise and targeted muscle execution.

Keywords: Balance Control; Tibialis Anterior; Gastrocnemius; Neuromuscular Adaptation; Tracking input

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How to cite this article:
Martin G. Rosario, Carley Bowman, Abigail Versemann, Daniel Heistand. The Impact of a Rotating Balance Platform on Leg Neuromuscular Activity in Healthy Young Adults. International Journal of Sports Medicine and Rehabilitation, 2021; 4:22.. DOI: 10.28933/ijsmr-2021-04-0505


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