Normative data and correlation between dynamic knee valgus and neuromuscular response among healthy active males: a cross-sectional study
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Date
2020-12-02
Authors
Llurda Almuzara, Luis
Pérez Bellmunt, Albert
López de Celis, Carlos
Aiguadé Aiguadé, Ramon
Seijas, Roberto
Casasayas, Oriol
Labata Lezaun, Noé
Alvarez, Pedro
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Abstract
The dynamic knee valgus (DKV) during different sport maneuvers has been widely described as risk factor to develop an anterior cruciate ligament injury. Hip and knee muscles seem to have a crucial role to prevent the dynamic knee valgus. This study aimed to give normative and correlational data about DKV and hip and knee neuromuscular response (NMR) among healthy active males. The hypothesis is that DKV could be correlated with hip NMR. A cross-sectional correlational study. Research Anatomy Laboratory. The study was carried out among 50 active, non-injured males. Dynamic Knee- Valgus angle and lower limb posterior chain muscles Neuromuscular Response. DKV was measured using Kinovea software during a Single-Legged Drop Jump test and NMR was measured using tensiomyography and myotonometry for gluteus maximum, biceps femoris, semitendinosus, lateral and medial gastrocnemius. Right and left limbs were both performed and analyzed independently. No significant correlation was observed between DKV and hip and knee muscles NMR. This study shows normative and correlational data about dynamic knee valgus, tensiomyography and myotonometry for healthy and active males. The DKV control seems to be non-correlated with isolated hip and knee muscles NMR so this suggests it is more about Central Nervous System activity than about isolated muscles NMR.
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Scientific Reports, 2020, vol. 10, núm. 17206, p. 1-10