Intrarater and interrater reliability of hand held dynamometer for healthy quadriceps femoris: the effect of muscle strength

Year 2011, Volume: 1 Issue: 2, 124 - 128, 31.01.2014

Emine Aslan Telci , Ummuhan Baş Aslan Uğur Cavlak

Abstract

Objective: The primary purpose of this study was to examine the intrarater and interrater reliability of hand-held dynamometry to assess Quadriceps Femoris (QF) muscle strength. The second purpose of the study was to detect the effect of muscle strength on reliability.
Method: Forty voluntary undergraduate students of physical education program (20 male, 20 female; mean age: 21,8±1,84 yr) and 50 undergraduate students of physiotherapy program (25 male, 25 female; mean age: 20,9±1,38 yr) participated in this study. Dominant side QF muscle strength was measured using by a HHD. The measurements were taken by two final year physiotherapy students on two occasions, with a week between tests. The Intraclass Correlation Coefficients (ICC) was calculated for reliability.
Results: ICC for intrarater reliability was 0.82 for the physical education students and 0.83 for the physiotherapy students. Similar results were found for interrater reliability (ICC=0.84 for the physical education students; ICC=0.83 for the physiotherapy students). On the other hand, physically active students were seen to have higher QF muscle strength compared to sedentary students (p<0.05).
Conclusion: Our study show that HHD shows excellent interrater and intrarater reliability for assessing QF muscle strength in healthy young adults. The reliability is not influenced by muscle strength.

Key words: Hand- held dynamometer, muscle strength, healthy subjects, sports, reliability 

Keywords

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Sağlıklı quadriseps femoris kasında handheld dinamometrenin intrarater ve interrater güvenirliği: Kas kuvvetinin etkisi

Abstract

Amaç: Bu çalışmanın birinci amacı Quadriseps Femoris (QF) kas kuvveti değerlendirmesinde hand- held dinamometrenin (HHD) intrarater ve interrater güvenirliğini incelemekti. Çalışmanın ikinci amacı kas kuvvetinin güvenirliğe etkisini belirlemekti.
Yöntem: Çalışmaya gönüllü 40 beden eğitimi programı lisans öğrencisi (BEÖ) (20 kadın, 20 erkek; ortalama yaş: 21,8±1,84 yıl) ve 50 fizyoterapi programı lisans öğrencisi (FÖ) (25 kadın, 25 erkek; ortalama yaş: 20,9±1,38 yıl) katıldı. Dominant taraf QF kas kuvveti HHD kullanılarak ölçüldü. Ölçümler iki son sınıf fizyoterapi öğrencisi tarafından bir hafta ara ile alındı. Güvenirlik için Intraclass Correlation Coefficients (ICC) hesaplandı.
Bulgular: Intrarater güvenirlik için ICC beden eğitimi öğrencilerinde 0.82 ve fizyoterapi öğrencilerinde 0.83 bulundu. Benzer sonuçlar interrater güvenirlik katsayısında da bulundu. (BEÖ öğrenciler için ICC=0.84; FÖ öğrenciler için ICC=0.83). Diğer taraftan, BEÖ öğrencilerinin QF kas kuvvetinin FÖ’ne göre daha yüksek olduğu görüldü (p<0.05).
Sonuç: Çalışmamız genç sağlıklı yetişkinlerde QF kas kuvveti değerlendirmesinde HHD’nin interrater ve intrarater ölçümcü güvenirliğinin mükemmel olduğunu ve güvenirliğin kas kuvvetinden etkilenmediğini gösterdi.

Anahtar Kelimeler : Hand-held dinamometre, QF kas kuvveti, sağlıklı birey, spor, güvenirlik

Keywords

Hand-held dinamometre, QF kas kuvveti, sağlıklı birey, spor, güvenirlik

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