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Recovery of muscle strength and power after limb-lengthening surgery

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Barker, Karen, MSc, 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. doi:10.1016/j.apmr.2009.11.014

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Official URL: http://dx.doi.org/10.1016/j.apmr.2009.11.014

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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
Official Date: March 2010
Dates:
DateEvent
March 2010Published
Volume: Vol.91
Number: No.3
Number of Pages: 5
Page Range: pp. 384-388
DOI: 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)

Data sourced from Thomson Reuters' Web of Knowledge

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