Back muscles and intensive rehabilitation of patients with chronic low back pain : effects on back muscle structure and function and patient disability
Published in
Studies in sport, physical education and healthAuthors
Date
2004Discipline
FysioterapiaLL Aaro Rissasen fysioterapian väitöskirjan ”Back Muscles and Intensive Rehabilitation of Patients with Chronic Low Back Pain – Effects on Back Muscle Structure and Function and Patient Disability” (Selkälihakset ja kroonisten selkäkipupotilaiden intensiivinen kuntoutus – vaikutukset selkälihasten rakenteeseen ja potilaiden toiminta- ja työkykyyn) tarkastustilaisuus. Vastaväittäjänä LKT, dosentti, ylilääkäri Timo Pohjolainen (Invalidisäätiö) ja kustoksena professori Esko Mälkiä.Aaro Rissasen väitöskirjatutkimuksessa tarkasteltiin selkälihasten mikroskooppista rakennetta sekä selkäkivuista kärsivillä henkilöillä että niillä, joilla ei ollut todettu olevan selkäsairautta. Rissanen perehtyi myös siihen, pystyvätkö pitkäaikaista selkäkipua poteneet henkilöt kasvattamaan selkä- ja alaraajalihastensa lihassyiden kokoa intensiivisellä harjoittelulla. Tutkimuksessa tarkasteltiin erityisesti intensiivisen kuntoutuksen etuja. Väestötutkimukseen perustuen tutkittiin sitä, millainen yhteys vartalon lihasten kestävyydellä on selkäsairaudesta johtuvaan työkyvyttömyyteen. Rissanen havaitsi, että pitkällä aikavälillä selkälihasten hyvä kestävyys voi estää ennenaikaista selkäsairaudesta johtuvaa eläkkeelle joutumista.
...
The present study investigated the histomorphological characteristics of lumbar paravertebral muscles in subjects without back disorders and in patients with chronic low back pain (CLBP) and the exercise induced changes in paravertebral fibres in patients with CLBP. The effects of an intensive rehabilitation programme were compared with a less intensive programme. Also the association between trunk extension endurance and long-term work disability was studied.Even in the subjects without any known back disorders, significant type 2 fibre (fast twitch) atrophy of back muscles was encountered. Similarly in CLBP patients, type 2 fibres in back muscles had atrophied. Exercise enlarged type 2 fibres of men, whereas in women the size of type 2 fibres increased only in leg muscles. It can be concluded that a sedentary lifestyle does not provide frequent activation of type 2 fibres, even in people without CLBP. In men, improvement in back extensor strength after intensive programme was partly ascribable to hypertrophy of type 2 fibres, whereas the strength improvement in women can only be explained by neural adaptations. While the intensive programme was particularly effective in improving body functions and activity, after one year there was no difference between the two programmes in outcome variables belonging to the component of participation of the International Classification of Functioning, Disability and Health. Based on the cohort study with a follow-up for 12 years on average, it can be concluded that good dynamic trunk extension endurance protects against back-related work disability.
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Publisher
Jyväskylän yliopistoISBN
951-39-2032-1ISSN Search the Publication Forum
0356-1070Keywords
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- Väitöskirjat [3176]
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