Reliability of knee extensor neuromuscular structure and function and functional tests' performance
| Autor: | Isabel de Almeida Paz, Fábio Juner Lanferdini, Luma de Oliveira, Francesca Chaida Sonda, Talita Molinari, Marco Aurélio Vaz, Daniele Cristine da Silva Gomes, Graciele Sbruzzi, Edgar Santiago Wagner Neto |
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| Rok vydání: | 2021 |
| Předmět: |
Complementary and Manual Therapy
Inter-rater Knee Joint Vastus medialis Intraclass correlation Physical Therapy Sports Therapy and Rehabilitation Isometric exercise Saúde Quadriceps Muscle 03 medical and health sciences 0302 clinical medicine Nuclear magnetic resonance Humans Knee Healthy subjects Muscle Skeletal Training period 030222 orthopedics Knee extensors Inter-analyzer Chemistry Força muscular Intra-rater Electromyography Rehabilitation Reproducibility of Results 030229 sport sciences Reliability Structure and function Arquitetura muscular Cross-Sectional Studies Complementary and alternative medicine Confiabilidade Fascicle length Muscle architecture |
| Zdroj: | Repositório Institucional da UFRGS Universidade Federal do Rio Grande do Sul (UFRGS) instacron:UFRGS |
| ISSN: | 1532-9283 |
| Popis: | Introduction The aim of this study was to evaluate the intra and inter-rater and inter-analyzer reliability of neuromuscular variables and functional tests. Methods Cross-sectional crossover design. Two independent raters and analyzers evaluated twenty-two healthy subjects. Knee-extensor strength was assessed from three maximal voluntary isometric contractions. Muscle activation was obtained from the vastus lateralis (VL), rectus femoris (RF), and vastus medialis (VM) muscles. VL and RF muscles’ architecture [fascicle length (FL), pennation angle (PA), muscle thickness (MT)] was obtained at rest by ultrasound. The time from five sit-to-stand (STS) trials, and the distance from the 6-min walk test (6MWT) were obtained. Intraclass correlation coefficient was determined and classified as strong (r = 0.75–1.00), moderate (r = 0.40–0.74), and weak (r Results Strong intra-rater reliability values were observed for strength (r = 0.97), muscle activation [VL (r = 0.91); RF (r = 0.92); VM (r = 0.80)], VL [FL (r = 0.90); PA (r = 0.94); MT (r = 0.99)] and RF [MT (r = 0.85)] muscle architecture, STS (r = 0.95), and 6MWT (r = 0.98). Inter-rater reliability also presented strong values for strength (r = 0.97), muscle activation [VL (r = 0.94); RF (r = 0.79); VM (r = 0.78)], muscle architecture VL [PA (r = 0.81) and MT (r = 0.88)] and RF [MT (r = 0.80)], STS (r = 0.93), and 6MWT (r = 0.98). A moderate correlation VL muscle architecture [FL (r = 0.69)]. Inter-analyzer muscle architecture reliability presented strong VL [FL (r = 0.77); PA (r = 0.76); MT (r = 0.91)] and RF [MT (r = 0.99)]. Conclusion The high intra and inter-rater and inter-analyzer reliability values for most variables is evidence that they can be used for clinical evaluation. Muscle architecture might need a longer training period by different raters and analyzers to increase reliability. |
| Databáze: | OpenAIRE |
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