PMID: 11330764May 2, 2001Paper

Do associated reactions in the upper limb after stroke contribute to contracture formation?

Clinical Rehabilitation
L Ada, N Q'Dwyer

Abstract

To establish (1) whether associated reactions could contribute to contracture formation and (2) whether the presence of spasticity was essential for their expression, after stroke. Subjects were 24 hemiparetics within 13 months of a stroke, unselected for contracture or spasticity. Associated reactions were identified by the presence of muscle activity in the affected biceps brachii and quantified as the amount of affected elbow flexor torque produced during a moderate contraction of either the contralateral biceps brachii or the contralateral quadriceps muscles. Contracture was measured as loss of elbow joint range of motion and spasticity as the presence of abnormal reflex activity. Associated reactions were present in at least one testing condition in seven subjects. During contractions of the contralateral biceps brachii, the median amount of elbow flexor torque produced was 0.39 (interquartile range, IQR 2.5) Nm while during contractions of the contralateral quadriceps muscle it was 0.19 (IQR 1.6) Nm. Associated reactions were not associated with contracture (p = 0.39) which was present in over half of the subjects. The incidence of associated reactions was about the same as that of spasticity, but the two were not related...Continue Reading

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Citations

Feb 16, 2007·Brain Research Reviews·Patricia K AddamoNellie Georgiou-Karistianis
Jul 24, 2010·Physiotherapy Research International : the Journal for Researchers and Clinicians in Physical Therapy·Hsiu-Ching ChiuSusan Coulson
Aug 2, 2007·American Journal of Physical Medicine & Rehabilitation·Kaoru HonagaMeigen Liu
Sep 28, 2004·American Journal of Physical Medicine & Rehabilitation·Cindy B Ivanhoe, Timothy A Reistetter
Dec 11, 2020·Clinical Biomechanics·Elsa PovedanoFrancisco Soldado

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