For this patient, an intervention program of sensory substitution using the ETVSS improved outcome measures beyond those previously achieved with vestibular rehabilitation therapy and balance training. The feedback provided by the ETVSS may have facilitated the patient's ability to use proprioception, thus allowing better balance control.

The purpose of this case report is to determine the effects of a dual-channel functional electrical stimulation (FES) system on gait and balance of a 57-year-old male diagnosed with spastic diplegic cerebral palsy (CP). Outcome measures included the: Activities-specific Balance Confidence Scale (ABC); Dynamic Gait Index (DGI); Observational Gait Scale (OGS) and Tinetti Performance Oriented Mobility Assessment (POMA). Assessments were completed with and without use of FES during the initial examination and after two, four and six weeks of intervention with FES. ABC Scale scores improved from 32.8 to 48.1% during the 6-week intervention. Scores on the DGI improved from 6/24 to 9/24 without FES and from 9/24 to 14/24 with FES. OGS scores improved on both legs with and without FES. Tinetti POMA scores improved from 12/28 to 15/28 without FES and decreased from 16/28 to 15/28 with FES. The patient demonstrated improvement in both objective and subjective measures. The use of FES facilitated improved gait and balance; however, the patient was still at increased risk for falls after the 6-week intervention despite improved scores on the ABC Scale, DGI, OGS and Tinetti POMA.

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