Ultrasound measurement of the effects of high, medium and low hip long-axis distraction mobilization forces on the joint space width and its correlation with the joint strain
Resumen: Background: No study has evaluated the mechanical effect of different magnitudes of long axis-distraction mobilization (LADM) force on hip joint space width (JSW) or the association between the separation of joint surfaces and the strain on hip capsular ligaments.
Objective: To compare the joint separation when applying three different magnitudes of LADM forces (low, medium and high) and to analyse the correlation between joint separation, strain on the inferior ilio-femoral ligament and magnitude of applied force.
Design: Repeated measures controlled laboratory cadaveric study. Methods: Three magnitudes of force were applied to 11 cadaveric hip joints (mean age 73 years). Ultrasound images were used to measure joint separation, and strain gauges recorded inferior ilio-femoral ligament strain during each condition.
Results: The magnitude of joint separation was significantly different between low (0.23 ± 0.19 mm), medium (0.72 ± 0.22 mm) and high (2.62 ± 0.43 mm) forces (p < 0.001). There were significant associations between magnitude of force, joint separation and the strain on the inferior ilio-femoral ligament during LADM (r > 0.723; p < 0.001).
Conclusion: Hip joint separation and ligament strain during LADM are associated with the magnitude of the applied force.

Idioma: Inglés
DOI: 10.1016/j.msksp.2020.102225
Año: 2020
Publicado en: MUSCULOSKELETAL SCIENCE AND PRACTICE 50, 102225 (2020), [5 pp]
ISSN: 2468-8630

Factor impacto JCR: 2.52 (2020)
Categ. JCR: REHABILITATION rank: 27 / 68 = 0.397 (2020) - Q2 - T2
Factor impacto SCIMAGO: 0.87 - Physical Therapy, Sports Therapy and Rehabilitation (Q1)

Tipo y forma: Article (PostPrint)
Área (Departamento): Área Fisioterapia (Dpto. Fisiatría y Enfermería)

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 Record created 2021-08-20, last modified 2024-01-22


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