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  • Title: Activity-based therapy for recovery of walking in individuals with chronic spinal cord injury: results from a randomized clinical trial.
    Author: Jones ML, Evans N, Tefertiller C, Backus D, Sweatman M, Tansey K, Morrison S.
    Journal: Arch Phys Med Rehabil; 2014 Dec; 95(12):2239-46.e2. PubMed ID: 25102384.
    Abstract:
    OBJECTIVE: To examine the effects of activity-based therapy (ABT) on neurologic function, walking ability, functional independence, metabolic health, and community participation. DESIGN: Randomized controlled trial with delayed treatment design. SETTING: Outpatient program in a private, nonprofit rehabilitation hospital. PARTICIPANTS: Volunteer sample of adults (N=48; 37 men and 11 women; age, 18-66y) with chronic (≥12mo postinjury), motor-incomplete (ASIA Impairment Scale grade C or D) spinal cord injury (SCI). INTERVENTIONS: A total of 9h/wk of ABT for 24 weeks including developmental sequencing; resistance training; repetitive, patterned motor activity; and task-specific locomotor training. Algorithms were used to guide group allocation, functional electrical stimulation utilization, and locomotor training progression. MAIN OUTCOME MEASURES: Neurologic function (International Standards for Neurological Classification of Spinal Cord Injury); walking speed and endurance (10-meter walk test, 6-minute walk test, and Timed Up and Go test); community participation (Spinal Cord Independence Measure, version III, and Reintegration to Normal Living Index); and metabolic function (weight, body mass index, and Quantitative Insulin Sensitivity Check). RESULTS: Significant improvements in neurologic function were noted for experimental versus control groups (International Standards for Neurological Classification of Spinal Cord Injury total motor score [5.1±6.3 vs 0.9±5.0; P=.024] and lower extremity motor score [4.2±5.2 vs -0.6±4.2; P=.004]). Significant differences between experimental and control groups were observed for 10-meter walk test speed (0.096±0.14m/s vs 0.027±0.10m/s; P=.036) and 6-minute walk test total distance (35.97±48.2m vs 3.0±25.5m; P=.002). CONCLUSIONS: ABT has the potential to promote neurologic recovery and enhance walking ability in individuals with chronic, motor-incomplete SCI. However, further analysis is needed to determine for whom ABT is going to lead to meaningful clinical benefits.
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