Chronic Ankle Instability (Medial and Lateral)

Knupp, Markus; Lang, Tamara Horn; Zwicky, Lukas; Lötscher, Patrick; Hintermann, Beat

doi:10.1016/j.csm.2015.06.004

Cited by 49 publications

(30 citation statements)

References 42 publications

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“…The dynamics of the ankle joint are highly complex, with joint instability being caused by multiple factors, for example, anatomic deficits, muscular imbalance, or impaired neuromuscular control [22,26,27]. The ankle joint simulator in the present work was based on a wooden foot-shank couple with a metatarsophalangeal joint to represent the forefoot region and a ball-and-socket joint to represent the subtalar joint [23].…”

Section: Discussionmentioning

confidence: 99%

Restrictions in the Ankle Sagittal- and Frontal-Plane Range of Movement during Simulated Walking with Different Types of Orthoses

Thiele¹,

Schuhmacher²,

Schwaller³

et al. 2018

JFMK

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Different types of orthoses are available to clinicians for non-surgical treatment of acute ankle sprains. The goal of this study was to scientifically compare the movement restrictions in the sagittal and frontal plane during simulated walking between one adaptable semi-rigid brace (OrthoTri-Phase TM), four non-adaptable semi-rigid braces (OrthoStandard TM , MalleoLoc TM , MalleoSprint TM , VACOankle TM), and one rigid cast. Predefined time sequences of rotational moments and axial loading during gait were applied via an ankle joint simulator, with the pneumatic pressure inside the orthoses kept constant to ensure the same condition for different trials and orthoses. The peak ranges of motion (RoMs) in the frontal and sagittal plane during gait were analyzed for statistically significant differences using single-factorial ANOVA with post-hoc Bonferroni analysis. Significant differences in peak plantar-/dorsiflexion and in-/eversion RoM during gait were found between different types of orthoses. In the sagittal plane, the rigid cast most significantly restricted overall RoM followed by the Ortho Tri-Phase TM in Phase 1 and the Ortho Standard TM. The peak restriction in-/eversion RoM of the VACOankle TM came closest to the rigid cast, with a shift towards inversion. The VACOankle TM allowed for significantly larger dorsiflexion movement compared to all other orthoses. The present results may help clinicians in the decision-making process of finding the optimal orthosis for individual patients.

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Section: Discussionmentioning

confidence: 99%

Restrictions in the Ankle Sagittal- and Frontal-Plane Range of Movement during Simulated Walking with Different Types of Orthoses

Thiele¹,

Schuhmacher²,

Schwaller³

et al. 2018

JFMK

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“…Biomechanically, the ATFL is the weakest and most commonly injured of the 3 ligaments, whereas the PTFL is the strongest and is rarely injured except in the setting of ankle dislocation [6‐10]. Additional injuries that may occur with the inversion ankle sprain include the following: bone bruise or fracture (lateral malleolus, medial malleolus, tarsal, and metatarsal bones), deltoid ligament injury, tendon injury, osteochondral lesion, syndesmosis injury, and alterations of the sinus tarsi [11].…”

Section: Clinical Backgroundmentioning

confidence: 99%

“…Chronic injury of the ATFL and CFL have been described in the setting of chronic ankle instability (CAI). It is estimated that up to 40% of patients with lateral ankle sprain will progress to develop chronic ankle instability (CAI), independent of the initial treatment regimen or the number of injured ligaments [1,5,6,9,16]. The diagnosis of CAI is based on a history of repetitive inversion sprains and findings of ligament laxity on clinical examination or with dynamic imaging such as ultrasound.…”

Section: Clinical Backgroundmentioning

confidence: 99%

Visualization of the Ankle Lateral Collateral Ligament Complex

LiMarzi

Scherer

Porrino

2017

PM&R

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“…Mechanical instability may occur following certain anatomical defects such as ligamentous tear, synovial irritation, arthrokinematic changes, or degenerative pathological laxity. 32-34 Functional instability means the occurrence of recurrent ankle instability and the sensation of joint instability due to the contributions of two factors: proprioceptive and neuromuscular deficits. 35 …”

Section: Aetiology and Classificationmentioning

confidence: 99%

Acute ankle sprain: conservative or surgical approach?

Al-Mohrej

Alkenani

2016

EFORT Open Reviews

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Ankle sprains fall into two main categories: acute ankle sprains and chronic ankle instability, which are among the most common recurrent injuries during occupational activities, athletic events, training and army service.Acute ankle sprain is usually managed conservatively and functional rehabilitation failure by conservative treatment leads to development of chronic ankle instability, which most often requires surgical intervention.Enhancing the in-depth knowledge of the ankle anatomy, biomechanics and pathology helps greatly in deciding the management options.

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Chronic Ankle Instability (Medial and Lateral)

Cited by 49 publications

References 42 publications

Restrictions in the Ankle Sagittal- and Frontal-Plane Range of Movement during Simulated Walking with Different Types of Orthoses

Restrictions in the Ankle Sagittal- and Frontal-Plane Range of Movement during Simulated Walking with Different Types of Orthoses

Visualization of the Ankle Lateral Collateral Ligament Complex

Acute ankle sprain: conservative or surgical approach?

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