A data consistency of strength testing on anisokinetic dynamometer; An Investigation into the number of repetitionsrequired to peak performance and until fatigue
Başlık çevirisi mevcut değil.
- Tez No: 755088
- Danışmanlar: Belirtilmemiş.
- Tez Türü: Yüksek Lisans
- Konular: Fizyoterapi ve Rehabilitasyon, Spor, Physiotherapy and Rehabilitation, Sports
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2018
- Dil: İngilizce
- Üniversite: University of Wales-Cardiff
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 100
Özet
Özet yok.
Özet (Çeviri)
Background: Accurate measurement of strength is important for athletic performance, injury prevention and rehabilitation. Isokinetic dynamometer is the gold standard of strength assessment. However, the optimal repetition number during isokinetic strength testing to obtain the maximum performance has not been evaluated for different contraction types and speeds until now. Objective: The main objective of the current study is to find out the required repetition number to achieve the consistent maximum performance during isokinetic strength testing of knee flexion and extension at two mostly used velocities of 60o /sec and 180o /sec for both concentric and eccentric contraction types. Method: 32 healthy university students were assessed on 8 different testing sessions on the same day in a counter-balanced order of knee flexion and extension for concentric and eccentric contraction modes at 60o /sec and 180o /sec. Data were analysed by graphs, setting ranges from the maximum performance until obtaining three consecutive values. The repetition number to obtain the maximum value and its consistency were explored individually for each graph. Results: The results of the current investigation indicated that the participants need only three repetitions to exert their maximum force during isokinetic strength testing at 60o /sec. For the tests at 180o /sec, more repetitions were required only for concentric knee extension test indicating that at least five repetitions should be performed until the maximum performance. The eccentric knee flexion tests were not found valid, indicating that a specific familiarization session may be required for this test. Conclusion: Only three repetitions may be enough to obtain the maximum performance; however, at least five trials should be performed for concentric knee extension at higher speeds. More repetitions than these seem like unnecessary for healthy young populations. Differently for eccentric knee flexion test, a specific familiarization session may be needed to provide valid results.
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