ArticleEuropean journal of medical research2025
Gait variability and biomechanical distinctions in individuals with functional ankle instability: a case-control study based on three-dimensional motion analysis.
Article in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Fu's subcutaneous needling versus bracing combined with exercise therapy in the treatment of postacute lateral ankle sprain and the prevention of chronic ankle instability: a randomized controlled trial protocol.Journal of orthopaedic surgery and research · 2026Article
- Control Deficits and Compensatory Mechanisms in Individuals with Chronic Ankle Instability During Dual-Task Stair-to-Ground Transition.Bioengineering (Basel, Switzerland) · 2025Article
- Multisegmented Foot and Lower Limb Kinematics During Gait in Males with Chronic Ankle Instability: Exploring Links with Hip Abductor Strength.Journal of clinical medicine · 2025Article
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Authors and funding
9 authors.
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Abstract
backgroundAnkle sprains, the most common sports injury, often progress to functional ankle instability (FAI), characterized by recurrent instability and neuromuscular deficits. This study utilizes three-dimensional (3D) gait analysis system to quantify lower limb biomechanical alterations in FAI during gait, aiming to identify objective markers for guiding targeted rehabilitation strategies. STUDY
designThis case-control study enrolled 31 matched subject pairs (FAI subjects vs. healthy controls) through propensity score matching based on stringent inclusion/exclusion criteria. Demographic data were collected, and functional assessments including the Cumberland Ankle Instability Tool (CAIT), American Orthopedic Foot and Ankle Society (AOFAS) scale, and Visual Analog Scale (VAS) for pain were administered. 3D gait analysis was performed using an infrared motion capture system (BTS SMART-D 400) to quantify biomechanical parameters characterizing FAI-related gait abnormalities.
resultsIn individuals with FAI gait quality is significantly compromised, predominantly evidenced by alterations in pelvic tilt (P < 0.05, r = - 0.67, 95% CI [- 4.75, - 1.95]), as well as deviations in hip ad-abduction (P < 0.05, r = 0.44, 95% CI [- 3.80, - 0.20]). This condition is further characterized by a marked reduction in sagittal plane flexion of the hip joint (P < 0.05, r = - 0.44, 95% CI [0.60, 8.25]) and a decrease in the maximum dorsiflexion of the ankle joint (P < 0.05, r = - 2.56, 95% CI [- 3.76, 0.50]). Additionally, there is an observed increase in the dorsiflexion angle at the forefoot (P < 0.05, r = - 11.04, 95% CI [1.36,4.94]), coupled with a decrease in the dorsiflexion angle at the hindfoot (P < 0.05, r = - 13.16, 95% CI [0.25,4.10]).
conclusionsPost-traumatic degradation of peripheral sensorimotor feedback following ankle injury induces central nervous system-mediated motor control reorganization, resulting in altered movement strategies that manifest through modified kinematic coordination patterns across the hip, knee, and ankle joints.
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