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Mode of hand traini...
Mode of hand training determines cortical reorganisation: A randomized controlled study in healthy adults
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- Brogårdh, Christina (författare)
- Umeå universitet,Lund University,Lunds universitet,Människan i rörelse: hälsa och rehabilitering,Forskargrupper vid Lunds universitet,Human Movement: health and rehabilitation,Lund University Research Groups,Institutionen för samhällsmedicin och rehabilitering
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- Johansson, Fredrik W. (författare)
- Umeå universitet,Institutionen för samhällsmedicin och rehabilitering
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- Nygren, Frida (författare)
- Umeå universitet,Institutionen för samhällsmedicin och rehabilitering
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Sjolund, Bengt H. (författare)
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(creator_code:org_t)
- Medical Journals Sweden AB, 2010
- 2010
- Engelska.
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Ingår i: Journal of Rehabilitation Medicine. - : Medical Journals Sweden AB. - 1651-2081 .- 1650-1977. ; 42:8, s. 789-794
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Abstract
Ämnesord
Stäng
- Objective: To evaluate two commonly used forms of hand training with respect to influence on dexterity and cortical reorganization. Subjects: Thirty healthy volunteers (mean age 24.2 years). Methods: The subjects were randomized to 25 min of shaping exercises or general activity training of the non-dominant hand. The dexterity and the cortical motor maps (number of excitable positions) of the abductor pollicis brevis muscle were evaluated pre- and post-training by the Purdue Peg Board test and transcranial magnetic stimulation, respectively. Results: After shaping exercises the dexterity increased significantly (p <= 0.005) for both hands, mostly so in the non-dominant hand. The cortical motor map of the abductor pollicis brevis muscle shifted forwardly into the pre-motor area without expanding. After general activity training, no significant improvements in dexterity were found for the non-dominant hand. The cortical motor map of the non-dominant abductor pollicis brevis muscle expanded significantly (p = 0.03) in the posterior (sensory) direction. Conclusion: These results indicate that shaping exercises, but not general activity training, increase dexterity of the trained non-dominant hand in parallel with a shift of location of active transcranial magnetic stimulation positions. Shifts of active cortical areas might be important for the interpretation of brain plasticity in common behavioural tasks.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap -- Övrig annan medicin och hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences -- Other Medical and Health Sciences not elsewhere specified (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Nyckelord
- hand training
- dexterity
- healthy subjects
- stimulation
- transcranial magnetic
- cortical shift
- plasticity
- dexterity
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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