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Journals / Spor Hekimliği Dergisi / 2022 / Cilt: 57 - Sayı: 1

Rectus femoris muscle thickness and cross-sectional area on ultrasonography may predict isometric and isokinetic knee extension strength: A cross-sectional study

Rektus femoris kas kalınlığı ve çapraz kesit alanının ultrasonografik ölçümü dizin izometrik ve izokinetik ekstansiyon kuvvetini öngörebilir: Kesitsel bir çalışma

Uğur Can YALAKİ
Ufuk ŞEKİR
Bedrettin AKOVA
Pages
21–30
Publication Date
2022-10-19
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Results: Pennation angle (p

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Objective: To examine the relationship between knee extensor strength and quadriceps muscle architecture evaluated with ultrasonography during relaxed and contracted situations.
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Key Findings & Data:Materials and Methods: A total of 40 healthy participants (age range 18-40), doing sports at a recreational level were included.
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Conclusion & Impact:Results: Pennation angle (p
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: To examine the relationship between knee extensor strength and quadriceps muscle architecture evaluated with ultrasonography during relaxed and contracted situations. Materials and Methods: A total of 40 healthy participants (age range 18-40), doing sports at a recreational level were included. Pennation angle, muscle thickness, and cross-sectional area of the vastus medialis, vastus lateralis, and rectus femoris muscles were measured firstly during rest while participants are sitting on an isokinetic dynamometer with their knees at 0° and 60° of flexion. Thereafter, ultrasound evaluations were performed during maximal isometric contraction at 60° knee flexion and maximal isokinetic contraction at 30°/sec and 60°/sec speeds. The architectural parameters were correlated with peak isometric (measured at 60° knee flexion) and isokinetic (measured at 30°/sec and 60°/sec angular velocities) torque values. Results: Pennation angle (p

Özet

Amaç: Diz ekstansiyon kuvveti ile ultrasonografi ile değerlendirilen kuadriseps kas mimarisi arasındaki ilişkiyi değerlendirmektir. Gereç ve Yöntemler : Çalışmaya 18-40 yaşları arasında, sağlıklı ve rekreasyonel düzeyde spor yapan toplam 40 katılımcı dahil edilmiştir. Vastus medialis, vastus lateralis ve rektus femoris kaslarının diz 0° ve 60° fleksiyonda dinlenimde, 60° fleksiyonda maksimal izometrik kasılmada, 30° ve 60°/sn açısal hızlardaki maksimal izokinetik kasılmalardaki mimari özellikleri ölçülmüştür. Bulgular: Dinlenim ile izometrik ve izokinetik maksimal kasılmalar sırasında vastus medialis pennasyon açısı (p

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Cite This Article

YALAKİ, U. C., ŞEKİR, U., AKOVA, B. (2022). Rectus femoris muscle thickness and cross-sectional area on ultrasonography may predict isometric and isokinetic knee extension strength: A cross-sectional study. Spor Hekimliği Dergisi, Cilt: 57 - Sayı: 1, 21–30. https://ajindex.com/articles/593194

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