scholarly journals The Performance of Aerobic Exercising by Spinal Cord Injury Patients Through the Application of Functional Electrical Stimulation

2019 ◽  
Vol 8 (1) ◽  
Author(s):  
Camellia Srikanthan ◽  
Dr. Sukhendu Dutta

Evoking a muscular response using Functional Electrical Stimulation onto paralyzed muscles will allow patients with spinal cord damage at the level of C4-L1 to perform aerobic and strengthening exercise training. The provoked activity will improve body strength, body composition, mitigate disuse atrophy, and enhance cardiopulmonary function. The study designs included case report, case control, case series, pre-clinical and post-clinical intervention and outcomes measure, clinical trial, prospective cohort study, cross-sectional, and longitudinal repeated measures design. The statistical methods and methods of data analysis used were ANOVA, ASIA impairment scores, ? level and p-value, mean ± standard error, r2, Student paired t-test, PASW statistics, Spearman rank correlation coefficient, Mann-Whitney U test, regression analysis, and Wilcoxon signed-rank test. The outcome of the study showed an increase in muscle thickness, strength, and lean muscle mass. There was improvement in oxygen consumption, positive effect on cardiorespiratory functioning, metabolic activity, and a slight increase in bone density. Subjects were able to perform more intense exercising as the training regime had progressed. The significance of these findings shows a potential way to improve the health of subjects with spinal cord injury, but also to recover and eventually regain the use of the muscles that were once paralyzed. Functional electrical stimulation therapy will introduce physical activity to a population that is normally found to be inactive.   Keywords: Functional electrical stimulation, spinal cord injury, FES-cycling, FES-rowing, rehabilitation, exercise training

2020 ◽  
Vol 11 (1) ◽  
pp. 7
Author(s):  
Antonino Casabona ◽  
Maria Stella Valle ◽  
Claudio Dominante ◽  
Luca Laudani ◽  
Maria Pia Onesta ◽  
...  

The benefits of functional electrical stimulation during cycling (FES-cycling) have been ascertained following spinal cord injury. The instrumented pendulum test was applied to chronic paraplegic patients to investigate the effects of FES-cycling of different duration (20-min vs. 40-min) on biomechanical and electromyographic characterization of knee mobility. Seven adults with post-traumatic paraplegia attended two FES-cycling sessions, a 20-min and a 40-min one, in a random order. Knee angular excursion, stiffness and viscosity were measured using the pendulum test before and after each session. Surface electromyographic activity was recorded from the rectus femoris (RF) and biceps femoris (BF) muscles. FES-cycling led to reduced excursion (p < 0.001) and increased stiffness (p = 0.005) of the knee, which was more evident after the 20-min than 40-min session. Noteworthy, biomechanical changes were associated with an increase of muscle activity and changes in latency of muscle activity only for 20-min, with anticipated response times for RF (p < 0.001) and delayed responses for BF (p = 0.033). These results indicate that significant functional changes in knee mobility can be achieved by FES-cycling for 20 min, as evaluated by the pendulum test in patients with chronic paraplegia. The observed muscle behaviour suggests modulatory effects of exercise on spinal network aimed to partially restore automatic neuronal processes.


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