Balance and biomechanics: exploring lower extremity biomechanics in Parkinson’s disease

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dc.authorid0000-0001-7941-3227
dc.contributor.authorDuzenli, Senanur
dc.contributor.authorGunduz, Merve Sevinc
dc.contributor.authorYilmaz, Aysen Elif
dc.contributor.authorErdal, Yuksel
dc.contributor.authorMustafaoğlu, Rüstem
dc.date.accessioned2025-08-25T08:57:34Z
dc.date.available2025-08-25T08:57:34Z
dc.date.issued2025
dc.departmentFakülteler, Sağlık Bilimleri Fakültesi, Fizyoterapi ve Rehabilitasyon Bölümü
dc.description.abstractBackground: Postural instability (PI) is a symptom seen in 16% of Parkinson Disease (PD) patients and has limited response to dopaminergic therapy. Understanding the factors contributing to PI, such as biomechanical changes, is important for the development of non-pharmacological treatment. Aims: To investigate the relationship between lower extremity biomechanics and balance parameters in PD patients. Methods: A total of 18 participants (n = 9 female) were enrolled in the study. Lower extremity biomechanics were evaluated using a combination of measurements, including femoral anteversion angle, Q angle, leg length, navicular drop test (NDT), gastrocnemius shortness, range of motion (ROM) assessments, and the Foot Posture Index (FPI). Balance was assessed through the Postural Stability Test, Fall Risk Index (FRI), and the Mini-BESTest. Results: A significant correlation was observed between FRI and femoral anteversion (r = 0.58, p = 0.011) as well as hip flexion ROM (r = 0.67, p = 0.002) and lateral malleoli curvature (r = 0.48, p = 0.04). Overall Stability Index (OSI) was significantly associated with NDT (r = 0.53, p = 0.024) and forefoot abduction/adduction (r = 0.67, p = 0.002). The Anteroposterior Stability Index (APSI) correlated with NDT (r = 0.47, p = 0.048), knee flexion ROM (r = 0.47, p = 0.045), and forefoot abduction/adduction (r = 0.65, p = 0.004). Moreover, Mini-BESTest scores were associated with hip abduction (r = 0.55, p = 0.017), ankle plantar flexion (r = 0.63, p = 0.005), and knee flexion ROM (r = 0.47, p = 0.048). Conclusions: This study demonstrated that lower extremity biomechanical features, including alignment and joint mobility, are significantly linked to balance and fall risk in individuals with PD. Incorporating biomechanical assessments into clinical evaluations may aid in developing individualized treatment strategies for balance disorders in PD.
dc.identifier.citationSenanur Duzenli, Merve Sevinc Gunduz, Yildirim, G., Yilmaz, A. E., Erdal, Y., & Rüstem Mustafaoğlu. (2025). Balance and biomechanics: exploring lower extremity biomechanics in Parkinson’s disease. Irish Journal of Medical Science (1971 -). ‌
dc.identifier.doi10.1007/s11845-025-04052-w
dc.identifier.endpage10
dc.identifier.issn00211265
dc.identifier.pmid40794256
dc.identifier.scopus2-s2.0-105012978520
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/20.500.12941/314
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorYıldırım, Gülenay
dc.institutionauthorid0000-0001-7941-3227
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofIrish Journal of Medical Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAssessment
dc.subjectBalance
dc.subjectBiomechanics
dc.subjectFall risk
dc.subjectParkinson’s disease
dc.subjectPostural instability
dc.subjectDeğerlendirme
dc.subjectDenge
dc.subjectBiyomekanik
dc.subjectDüşme riski
dc.subjectParkinson hastalığı
dc.subjectDuruş bozukluğu
dc.titleBalance and biomechanics: exploring lower extremity biomechanics in Parkinson’s disease
dc.typeArticle

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