Isokinetic torque, average power, and flexion/extension ratios in nondisabled adults and adults with mental retardation

The Journal of Orthopaedic and Sports Physical Therapy
M HorvatR Croce

Abstract

For successful placement of individuals with mental retardation into community environments, a minimal amount of functional strength is required to promote self-independence. Since muscular strength and power are commonly deficient in these groups, the purpose of this study was to compare isokinetic elbow flexion and extension peak torque (Nm), average power (W), and corresponding flexion/extension ratios of adults males with Down syndrome, with mental retardation without Down syndrome, and sedentary adult males without mental retardation. Subjects with Down syndrome (N = 9), mental retardation without Down syndrome (N = 13), and without mental retardation (N = 13) were tested for elbow flexion and extension peak torque and average power at 60 and 90 degrees/sec on a Cybex 340 isokinetic dynamometer. Results indicated: 1) subjects without mental retardation displayed significantly greater ( p < 0.01) peak torque and average power elbow flexion and extension than subjects with Down syndrome and subjects with mental retardation without Down syndrome at speeds of 60 and 90 degrees/sec, and 2) there were no significant differences between groups in peak torque and average power elbow flexion/extension ratios at both angular velocit...Continue Reading

References

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Citations

May 23, 2013·Research in Developmental Disabilities·Yee-Pay WuangHsiu-Ching Lin
Aug 5, 2000·Research Quarterly for Exercise and Sport·A Graham, G Reid
Sep 27, 2003·Research Quarterly for Exercise and Sport·Michael HorvatRon Croce
Dec 17, 2005·Pediatric Physical Therapy : the Official Publication of the Section on Pediatrics of the American Physical Therapy Association·Cynthia L Lewis, Maria A Fragala-Pinkham
Jan 24, 2009·Journal of Applied Physiology·Kevin S HeffernanBo Fernhall
Nov 21, 2009·Medicine and Science in Sports and Exercise·Patrick M CowleyBo Fernhall
Nov 17, 2009·Journal of Strength and Conditioning Research·Vasilios K TsimarasChristos M Kotzamanidis
May 11, 2011·Journal of Intellectual Disability Research : JIDR·M Barr, N Shields
Aug 18, 2010·Journal of Intellectual Disability Research : JIDR·J MahyK J Dodd
Jul 24, 2012·Research in Developmental Disabilities·Hsiu-Ching Lin, Yee-Pay Wuang
Aug 3, 2012·Research in Developmental Disabilities·Paraskevi GiagazoglouEleftherios Kellis
Jul 3, 2013·Research in Developmental Disabilities·Anthi HassaniNikoleta Sakadami
Nov 30, 2010·Research in Developmental Disabilities·Antonio Ignacio Cuesta-VargasAlejandro Rodriguez
Apr 22, 2014·Research in Developmental Disabilities·Anthi HassaniDimitrios Patikas
Dec 14, 2011·Research in Developmental Disabilities·Špela GolubovićNenad Glumbić
Nov 17, 2009·Research in Developmental Disabilities·Andreas ZafeiridisEleftherios Kellis
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Feb 1, 2018·Disability and Rehabilitation·Reem M Alwhaibi, Hayfa M Aldugahishem
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Nov 2, 2012·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Patrick M CowleyKeith C DeRuisseau
Aug 17, 1999·Medicine and Science in Sports and Exercise·M HorvatB Fernhall

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