Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Gallasch, E; Rafolt, D; Kinz, G; Fend, M; Kern, H; Mayr, W.
Evaluation of FES-induced knee joint moments in paraplegics with denervated muscles.
ARTIF ORGANS. 2005; 29(3): 207-211.
Doi: 10.1111/j.1525-1594.2005.29036.x
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PubMed
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- Führende Autor*innen der Med Uni Graz
- Gallasch Eugen
- Co-Autor*innen der Med Uni Graz
- Fend Martin
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- Abstract:
- The pendulum test was applied to evaluate functional electrical stimulation (FES)-induced joint moments in paraplegics with denervated muscles. Therefore a manipulandum was connected to the knee joint and programmed to elicit gravity-induced leg oscillations. The FES-induced output torque was compensated for in order to keep the leg in a mean vertical position (knee angle 90 degrees ). A second-order dynamical model was applied to extract the elastic and viscous moments from the recorded leg oscillations. This model provided an almost adequate description of the relaxed and FES-contracted states. In the relaxed state the elastic moment was 15.3 +/- 2.37 Nm/rad and the viscous moment was 0.41 +/- 0.21 Nms/rad. The FES-induced elastic moment was 29.4 +/- 28.5 Nm/rad and the FES-induced viscous moment was 1.53 +/- 1.03 Nms/rad (N = 10, before FES-training).
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Biomechanics -
- Electric Stimulation Therapy - methods
- Female - methods
- Humans - methods
- Knee Joint - innervation
- Male - innervation
- Middle Aged - innervation
- Muscle Contraction - physiology
- Muscle Denervation - adverse effects
- Muscle, Skeletal - physiology
- Paraplegia - rehabilitation
- Torque - rehabilitation
- Treatment Outcome - rehabilitation
- Find related publications in this database (Keywords)
- pendulum test
- denervated muscle
- electrical stimulation
- joint stiffness
- functional electrical stimulation-training