Mirror training to augment cross-education during resistance training: a hypothesis

Howatson, Glyn, Zult, Tjerk, Farthing, Jonathan, Zijdewind, Inge and Hortobágyi, Tibor (2013) Mirror training to augment cross-education during resistance training: a hypothesis. Frontiers in Human Neuroscience, 7 (396). pp. 1-11. ISSN 1662-5161

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Official URL: http://dx.doi.org/10.3389/fnhum.2013.00396


Resistance exercise has been shown to be a potent stimulus for neuromuscular adaptations. These adaptations are not confined to the exercising muscle and have been consistently shown to produce increases in strength and neural activity in the contralateral, homologous resting muscle; a phenomenon known as cross-education. This observation has important clinical applications for those with unilateral dysfunction given that cross-education increases strength and attenuates atrophy in immobilized limbs. Previous evidence has shown that these improvements in the transfer of strength are likely to reside in areas of the brain, some of which are common to the mirror neuron system (MNS). Here we examine the evidence for the, as yet, untested hypothesis that cross-education might benefit from observing our own motor action in a mirror during unimanual resistance training, thereby activating the MNS. The hypothesis is based on neuroanatomical evidence suggesting brain areas relating to the MNS are activated when a unilateral motor task is performed with a mirror. This theory is timely because of the growing body of evidence relating to the efficacy of cross-education. Hence, we consider the clinical applications of mirror training as an adjuvant intervention to cross-education in order to engage the MNS, which could further improve strength and reduce atrophy in dysfunctional limbs during rehabilitation.

Item Type: Article
Uncontrolled Keywords: mirror neuron system, rehabilitation, recovery, contralateral adaptations, strength training
Subjects: A100 Pre-clinical Medicine
B900 Others in Subjects allied to Medicine
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Glyn Howatson
Date Deposited: 29 Jul 2013 10:45
Last Modified: 17 Dec 2023 14:54
URI: https://nrl.northumbria.ac.uk/id/eprint/13275

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