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The authors were trying to develop a system of estimating and indexing muscle fatigue rates during static muscle contraction. The results of this study indicated that estimations were reasonably successful with some limitations that were noted. One limitation was that the study neglected muscle recovery since the experiment was performed in a lab under controlled conditions and the muscles were able to fully recover. However, in the real world muscles move in a dynamic environment thus making muscle recovery rates a challenge in producing an accurate estimate of fatigue.
Another study looked at the efficacy of treatments in patients who suffer from Carpal Tunnel Syndrome (CTS). The study conducted research using 111 patients who suffer from CTS. They compared the standard conservative treatment (SCT) with other forms of treatment available that also propose to alleviate symptoms associated CTS. They found that SCT, which includes local steroid injections, was effective as a treatment. This study also used electromyopathy as part of a physical examination of the motor activity of these patients.
Another interesting research project used electromyography in order to gather data with prevention of wrist injuries in hairdressers in mind. This study used a portable data logger with EMG capabilities to monitor the movements of 21 hairstylists throughout the day. It found that the women in the experiment used more mechanical motion than the men in the group. The conclusion specified that there may be more of an ergonomic risk for females in the profession than there is for their male counterparts.
The final study considered in this discussion involves the feasibility of a new design for a prosthetic hand. Prosthesis is a very challenging research endeavor involving translating the neural responses produced by the body to understood by a mechanical device that can simulate human motion. Though this study goes into great depth about its data collection, the purpose of the study...
The study once again used the signals collected in electromyography to provide the basis for further insights into how prosthetic hands may be developed to utilize the body's natural neural activity in order for the prosthetic devise to mimic natural human motion.
References:
Yewguan Soo; Sugi, M.; Nishino, M.; Yokoi, H.; Arai, T.; Kato, R.; Nakamura, T.; Ota, J.;, "Quantitative estimation of muscle fatigue using surface electromyography during static muscle contraction," Engineering in Medicine and Biology Society, 2009. EMBC 2009. Annual International Conference of the IEEE, vol., no., pp.2975-2978, 3-6 Sept. 2009
doi: 10.1109/IEMBS.2009.5332521
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5332521&isnumber=5332379
Ay-e N. Bardak, Mehmet Alp, Belgin Erhan, Nurdan Paker, Betul Kaya and Ay-e . Onal,;, "Evaluation of the clinical efficacy of conservative treatment in the management of carpal tunnel syndrome," Advances in Therapy, Publisher Springer Healthcare Communications, ISSN 0741-238X (Print) 1865-8652 (Online), Issue Volume 26, Number 1 / January, 2009
Hsieh-Ching Chen, Cha-Mei Chang, Yung-Ping Liu, Chih-Yong Chen, Ergonomic risk factors for the wrists of hairdressers, Applied Ergonomics, Volume 41, Issue 1, January 2010, Pages 98-105, ISSN 0003-6870, DOI: 10.1016/j.apergo.2009.05.001. http://www.sciencedirect.com/science/article/B6V1W-4WF8SBT-1/2/7ba27987f7c28a5482163b8431b53147
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5238541&isnumber=5297567
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