Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

The final rehabilitation evaluation program consisted of 25 stroke subjects and 25 comparison patients. There were no significant differences in demographic data and three types of dependent variables in pretest period between two groups. Ill balance evaluation (Figure 3), experimental group presented better improvement of balance than control group in posttest and one-month after outpatient (t=2.32, P<0.05; t=3.14, P<0.01). In functional independence evaluation (Figure 4), there were no significant differences in posttest period between two groups (t=1.58, P>0.05), experimental group presented better improvement than control group in one-month after outpatient (t=2.13, P<0.05). In psychological responses evaluation (Figure 5), experimental group presented better improvement of psychological negative responses than control group in posttest and one-month after outpatient (t=2.14, P<0.05; t=-2.25, P<0.05).


4
Conclusions

This study suggested that EMG recognition system built in upright stepping device could enhance the improvement of balance, functional independence, and psychological negative responses for stroke patients. Further research can be verified that of a useful medical instrument in a long-term rehabilitation period (three-month, six-month, and one-year) and other kinds of patients.


5
References

Brask, B., Lueke, R. H. & Soderberg, G. L. ( 1992). "Electromyographic analysis of selected muscles during the lateral step-up exercise". Physical Therapy, 64, 324-329.

Capaday, C. & Stein, R. B. ( 1986). "Amplitude modulation of tile soleus H-reflex in the human during walking and standing". Journal of Neurosciences, 6, 1308-1313.

Fung, J. & Barbeau, H. ( 1989). "A dynamic EMG profile index to quantify muscle activation disorder in spastic paretic gait". Electroencephdlography and Clinical Neurophysiology, 73, 233-244.

Holland, G. I., Hoffman, W. V., Mayer, M. & Caston, A. ( 1990). Treadmill vs. steptreadmill ergometry. Physical Sportmedicine, 18, 79-85.

Obradovich, J. H. & Woods, D. D. ( 1996). "Users as designers: how people cope with poor HCI design in computer-based medical devices". Human Factors, 38, 574-592.

Olney, S. J., Griffin, M. P. & McBride, I. D. ( 1998), "Multivariate examination of data from gait analysis of persons with stroke". Physical Therapy, 78, 814-828.

Visintin, M. & Barbeau, H. ( 1994). "The effects of body weight support on the locomotor pattern of spastic paretic patient". Paraplegia, 32, 540-553.

Werning, A. & Muller, S. ( 1992). "Laufband locomotor with body weight support improved walking in persons with server spinal cord injuries". Paraplegia, 30, 229-238.

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