Barker, Karen L., Lamb, S. E. (Sallie E.) and Simpson, Hamish R. W.. (2010) Recovery of muscle strength and power after limb-lengthening surgery. Archives of Physical Medicine and Rehabilitation, Vol.91 (No.3). pp. 384-388. ISSN 0003-9993

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Abstract

Barker KL, Lamb SE, Simpson HRW. Recovery or muscle strength and power after limb-lengthening surgery. Arch Phys Med Rehabil 2010;91:384-8. Objective: To report muscle strength, power, and function after limb-lengthening surgery performed by using the Ilizarov technique. Design: Prospective, longitudinal observational study of a cohort of consecutive patients who underwent limb-lengthening distraction followed up for 2 years after surgery. Setting: National Health Service hospital specializing in orthopedic surgery. Participants: Patients (N=16) who had undergone limb-lengthening surgery performed by using the Ilizarov method (11 men, 5 women; mean age=27y; range, 13-56y). Interventions: None. Main Outcome Measures: Muscle strength and power were assessed by using 2 validated measures: isokinetic concentric strength of the quadriceps and hamstrings measured by using a dynamometer and leg extensor power. Measures were recorded preoperatively and at 6, 12, and 24 months after the completion of lengthening. Function was measured by 2 timed tests of functional performance: stair climbing and sit-to-stand. Results: Overall results were good with high reports of function and satisfactory clinical examination. Both concentric muscle strength and leg power showed a clear pattern of decreased muscle strength at 6 months after frame removal, improving throughout the study period until it was within 3% of the preoperative value at 2 years. By 2 years, self-reported function and ability to complete timed functional tests had returned to or improved on the preoperative values. Muscle strength remained slightly below the preoperative value; this was more pronounced in the quadriceps than the hamstrings. There was no association between muscle strength and the amount of lengthening that had been undertaken. Conclusions: This study suggests that there is a small residual decrease in muscle strength and power after limb-lengthening surgery but that these do not adversely impact on a patients' ability to perform everyday functional activities.

Item Type:	Journal Article
Subjects:	R Medicine > RA Public aspects of medicine R Medicine > RM Therapeutics. Pharmacology
Divisions:	Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH):	Muscle strength, Medical rehabilitation, Bone lengthening (Orthopedics)
Journal or Publication Title:	Archives of Physical Medicine and Rehabilitation
Publisher:	W B Saunders co-Elsevier Inc.
ISSN:	0003-9993
Date:	March 2010
Volume:	Vol.91
Number:	No.3
Number of Pages:	5
Page Range:	pp. 384-388
Identification Number:	10.1016/j.apmr.2009.11.014
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Smith & Nephew (Firm), National Institute for Health Research (Great Britain) (NIHR)
URI:	http://wrap.warwick.ac.uk/id/eprint/5967

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