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Shoulder and forear...
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Elcadi, Guilherme H.,1966-Högskolan i Gävle,Umeå universitet,Rehabiliteringsmedicin,Centre for Musculoskeletal Research, University of Gävle, Umeå, Sweden; Department of Community Medicine and Rehabilitation, Rehabilitation Medicine, Umeå University, Umeå, Sweden,Arbetshälsovetenskap,Centrum för belastningsskadeforskning,Centrum för Belastningsskadeforskning
(författare)
Shoulder and forearm oxygenation and myoelectric activity in patients with work related muscle pain and healthy subjects
- Artikel/kapitelEngelska2013
Förlag, utgivningsår, omfång ...
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2012-10-30
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New York :Springer,2013
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:umu-63097
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-63097URI
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https://doi.org/10.1007/s00421-012-2530-6DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-81510URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-13341URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297069URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:126559774URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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The study was supported by grants from the Centre for Musculoskeletal Research, University of Gävle, Sweden.
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QC 20210616
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We tested hypotheses of (i) reduced oxygen usage, oxygen recovery, blood flow and oxygen consumption; and (ii) increased muscle activity for patients diagnosed with work related muscle pain in comparison to healthy controls. Oxygenation was measured with near infrared spectroscopy (NIRS), and muscle activity with EMG for the extensor carpi radialis (ECR) and trapezius descendens (TD) muscles. Eighteen patients with diffuse neck-shoulder-arm pain and seventeen controls (matched in age and sex) were equipped with NIRS and EMG probes. After determining an individual’s maximum voluntary contraction (MVC) force, short term (20 sec) isometric contractions for the ECR and TD of 10%, 30%, 50% and 70% MVC generated ∆StO2% and StO2% recovery (Rslope) from NIRS, and RMS%max from EMG signals. In addition, upper arm venous (VO) and arterial (AO) occlusions generated slopes of total hemoglobin (HbTslope) and deoxyhemoglobin (HHbslope) for the resting ECR as surrogates of blood flow and oxygen consumption, respectively. Mixed Model analyses, t-tests, and Mann-Whitney test were used to assess differences between groups. There was no significant difference in MVC between groups for either muscle. Also, ∆StO2%, Rslope for either muscle, and ECR-HbTslope were not different between groups, thus our hypotheses of reduced oxygen use, recovery, and blood flow for patients were not confirmed. However, patients had a significantly lower ECR-HHbslope confirming our hypothesis of reduced consumption. Further, there was no difference in RMS%max during contractions meaning that the hypothesis of increased activity for patients was not confirmed. When taking into account the number of NIRS variables studied, differences we found between our patient group and healthy controls (i.e. in forearm oxygen consumption and shoulder oxygen saturation level) may be considered modest. Overall our findings may have been impacted by the fact that our patients and controls were similar in muscle strength, which is in contrast to previous studies.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Forsman, Mikael,ProfessorKarolinska Institutet(Swepub:kth)u1iq0ct2
(författare)
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Aasa, UlrikaUmeå universitet,Sjukgymnastik,Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå, Sweden(Swepub:umu)ulaa0001
(författare)
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Fahlström, MartinUmeå universitet,Rehabiliteringsmedicin,Department of Community Medicine and Rehabilitation, Rehabilitation Medicine, Umeå University, Umeå, Sweden(Swepub:umu)manfam96
(författare)
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Crenshaw, Albert G.Högskolan i Gävle,Arbetshälsovetenskap,Centrum för belastningsskadeforskning,Centrum för Belastningsskadeforskning(Swepub:hig)acw
(författare)
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Umeå universitetRehabiliteringsmedicin
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:European Journal of Applied PhysiologyNew York : Springer113:5, s. 1103-11151439-63191439-6327
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