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Intra- and inter-tester reliability and reference values for hand strength
Linköpings universitet, Institutionen för hälsa och samhälle, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.ORCID-id: 0000-0002-6075-4432
Department of Orthopaedics, Huddinge Hospital, Karolinska Institute, Huddinge, Stockholm, Sweden.
Linköpings universitet, Institutionen för hälsa och samhälle, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
2001 (Engelska)Ingår i: Journal of Rehabilitation Medicine, ISSN 1650-1977, E-ISSN 1651-2081, Vol. 33, nr 1, s. 36-41Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The intra- and inter-tester reliability for measurement of handgrip strength and indexgrip strength using the Jamar dynamometer was investigated in 32 healthy volunteers, and the intra-tester reliability in 13 patients with cervical radiculopathy. The results from the reliability studies showed that handgrip and indexgrip strength measured with the Jamar dynamometer is a reliable method (ICC values 0.85-0.98) and can be recommended for use in clinical practice. Age- and sex-specific reference values for handgrip strength and indexgrip strength were measured with the Jamar dynamometer in 101 randomly selected healthy volunteers, aged 25-64 years. The results from the reference value study showed that sex is a more important determinant of hand strength than age, height and body weight. The reference values for hand strength improve the potential for objective evaluation of patients with arm/hand disorders caused by cervical radiculopathy.

Ort, förlag, år, upplaga, sidor
2001. Vol. 33, nr 1, s. 36-41
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-27924DOI: 10.1080/165019701300006524Lokalt ID: 12685OAI: oai:DiVA.org:liu-27924DiVA, id: diva2:248476
Tillgänglig från: 2009-10-08 Skapad: 2009-10-08 Senast uppdaterad: 2017-12-13Bibliografiskt granskad
Ingår i avhandling
1. Functional analysis of the cervical spine: Reliability, reference data and outcome after anterior cervical decompression and fusion
Öppna denna publikation i ny flik eller fönster >>Functional analysis of the cervical spine: Reliability, reference data and outcome after anterior cervical decompression and fusion
2002 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The aim of the thesis was to investigate the reliability of the test procedure, and to obtain reference values for active range of motion (AROM) of the neck, neck-, and hand strength. Another aim was to perform a broad assessment of outcome in patients with cervical disc disease operated on by anterior cervical decompression and fusion (ACDF) and to identify predictive factors for a good outcome. For a broad assessment it is important to have reliable objective and subjective variables, and reference values obtained in healthy people.

Three studies concern reliability and reference values for neck AROM, neck strength, and hand strength of healthy individuals. One study concerns the outcome of 34 consecutively included patients six months and one year after ACDF, and any remaining deficits afterwards. One study is a prospective randomised study of 103 patients concerning prognostic factors (mean follow-up 19 months, SD 6, range 12-24 months) for a good outcome of ACDF, and any remaining deficits afterwards.

The intra-, and inter-tester reliability of neck AROM, neck strength, and hand strength obtained from 30-32 healthy volunteers were considered substantial to almost perfect (ICC-values 0.61-0.98) and can be used for comparisons between or within groups. The reference values obtained in 101 asymptomatic men and women aged 25-64 years showed that age was the most important factor to take into consideration when measuring neck AROM, and gender was most important for neck and hand strength measurements. The patients showed benefits from ACDF at the one-year follow-up in neck strength in lateral flexion, neck muscle endurance in flexion, pain, numbness, ADL, Neck Disability Index (NDI), sick leave, change in general health, and symptom satisfaction. Except for a deterioration in general health there were no significant differences between the six-month and the one-year followup. The most important predictor for low postoperative pain intensity was greater preoperative kyphosis.

The predictive value of segmental kyphosis is noteworthy and of potential clinical interest. Low preoperative pain intensity was the most important predictor for improved NDI. Non-smoking males with a greater segmental kyphosis at the level of surgical intervention, with less severe pain experience and better initial function, had the best prognosis for a successful outcome of ACDF. Although the patients experienced benefits from surgery in many of the variables, a large number still had remaining deficits. These studies support the need for improvements in the selection for and the treatment techniques in both surgery and physiotherapy in degenerative cervical disorders.

Ort, förlag, år, upplaga, sidor
Linköping: Linköpings universitet, 2002. s. 84
Serie
Linköping University Medical Dissertations, ISSN 0345-0082 ; 738
Nationell ämneskategori
Samhällsvetenskap
Identifikatorer
urn:nbn:se:liu:diva-26343 (URN)10867 (Lokalt ID)91-7373-182-X (ISBN)10867 (Arkivnummer)10867 (OAI)
Disputation
2002-09-06, Berzeliussalen, Universitetssjukhuset, Linköping, 09:00 (Svenska)
Opponent
Tillgänglig från: 2009-10-08 Skapad: 2009-10-08 Senast uppdaterad: 2013-09-03Bibliografiskt granskad

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