Gymnastik- och idrottshögskolan, GIH

Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Variations in the soleus H-reflex as a function of activation during controlled lengthening and shortening actions.
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC).ORCID-id: 0000-0002-7879-9188
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, Laboratoriet för biomekanik och motorisk kontroll (BMC).
2002 (Engelska)Ingår i: Brain Research, ISSN 0006-8993, E-ISSN 1872-6240, Vol. 952, nr 2, s. 301-7Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The effect of soleus activation on the soleus H-reflex was investigated during controlled lengthening and shortening of the plantar flexor muscles. Maximal H-reflexes and M-waves were evoked at the same muscle length (ankle angle 90 degrees ) during lengthening and shortening (ankle angular velocity 5 degrees s(-1)) with soleus either passive or with its electromyographic activity at 10, 20 and 30% of that during a maximal voluntary isometric plantar flexion. In passive trials, the H(MAX):M(MAX) ratio during lengthening was lower than during shortening. In active trials at 10 and 20%, the H(MAX):M(MAX) ratio tended to be lower during lengthening than shortening. Within the active trials, H(MAX):M(MAX) ratios were not different between the three levels of soleus activation, neither for lengthening nor shortening actions. When all active trials were pooled, the lengthening H(MAX):M(MAX) ratio was significantly lower than the shortening one. In lengthening, the H(MAX):M(MAX) ratio increased in the active with respect to the passive condition, whereas no change occurred in active with respect to the passive shortening. These results indicate action type specificity in the way the Ia-excitatory effect is modulated as the soleus muscle is voluntarily activated.

Ort, förlag, år, upplaga, sidor
2002. Vol. 952, nr 2, s. 301-7
Identifikatorer
URN: urn:nbn:se:gih:diva-553PubMedID: 12376192OAI: oai:DiVA.org:gih-553DiVA, id: diva2:173864
Tillgänglig från: 2009-02-17 Skapad: 2009-02-16 Senast uppdaterad: 2017-12-13Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

PubMed

Person

Nordlund Ekblom, Maria MThorstensson, Alf

Sök vidare i DiVA

Av författaren/redaktören
Nordlund Ekblom, Maria MThorstensson, Alf
Av organisationen
Laboratoriet för biomekanik och motorisk kontroll (BMC)
I samma tidskrift
Brain Research

Sök vidare utanför DiVA

GoogleGoogle Scholar

pubmed
urn-nbn

Altmetricpoäng

pubmed
urn-nbn
Totalt: 253 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf