scholarly journals Muscle co-contraction patterns in robot-mediated force field learning to guide specific muscle group training

2017 ◽  
Vol 41 (1) ◽  
pp. 17-29 ◽  
Author(s):  
Sara Pizzamiglio ◽  
Adela Desowska ◽  
Pegah Shojaii ◽  
Myriam Taga ◽  
Duncan L. Turner
Author(s):  
Don B. Chaffin ◽  
Charles B. Woolley ◽  
Trina Buhr ◽  
Lois Verbrugge

There is growing awareness that age results in reduced strengths in the population, and that significant decreases start in the 5th decade. The magnitude of the decrease in strength depends on the specific muscle function being tested. Because of differential effects it is not clear how various decreases could alter whole-body strength performance. This paper describes how specific strength decreases measured in an older population of men and women could affect their whole-body exertion capabilities in selected scenarios. A computerized strength prediction program is used to both predict the whole-body strength changes with age, and to study how older populations can alter their postures to achieve maximum exertion capability. The results indicate that different muscle group strengths decline by 5% to 70% with age, depending on which muscle group is tested. These changes have profound effects on whole-body exertion capabilities, which also are shown to depend on specific postures used to perform the exertions.


Author(s):  
Susan H. Fox

Focal dystonia is the most common clinical manifestation of primary dystonia. The focal and sometimes task-specific nature of the symptoms makes daily drug therapy less attractive due to a requirement for exposure to high doses of anticholinergic agents that are typically only minimally effective. Botulinum toxin therapy can be targeted to a specific muscle group that is judged to be most active, providing relief for 3 months although not necessarily modifying the underlying disease pathophysiology, which remains uncertain. Deep-brain stimulation is currently reserved for the most resistant cases in which the disability or pain derived from the dystonia justifies consideration of neurosurgery.


1996 ◽  
Vol 5 (1) ◽  
pp. 67-78 ◽  
Author(s):  
Kenyatta O. Rivers ◽  
Linda J. Lombardino ◽  
Cynthia K. Thompson

The effects of training in letter-sound correspondences and phonemic decoding (segmenting and blending skills) on three kindergartners' word recognition abilities were examined using a single-subject multiple-baseline design across behaviors and subjects. Whereas CVC pseudowords were trained, generalization to untrained CVC pseudowords, untrained CVC real words, untrained CV and VC pseudowords, and untrained CV and VC real words were assessed. Generalization occurred to all of the untrained constructions for two of the three subjects. The third subject did not show the same degree of generalization to VC pseudowords and real words; however, after three training sessions, this subject read all VC constructions with 100% accuracy. Findings are consistent with group training studies that have shown the benefits of decoding training on word recognition and spelling skills and with studies that have demonstrated the effects of generalization to less complex structures when more complex structures are trained.


1997 ◽  
Vol 90 (3) ◽  
pp. 495-497
Author(s):  
CLAUDIO ESPOSTI ◽  
FILIPPO TAMASSIA ◽  
CRISTINA PUZZARINI ◽  
RICCARDO TARRONI ◽  
ZDENEK ZELINGER

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