Chronic lateral instability of the ankle Roentgen stereophotogrammetry of talar position

Löfvenberg, Richard; Kärrholm, Johan; Selvik, Göran; Hansson, L. I.; Ahlgren, Olof

doi:10.3109/17453678909150088

Cited by 11 publications

(2 citation statements)

References 27 publications

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“…1,23,27,31 Some studies have concluded that stress radiographs are unnecessary in clinical settings for evaluating either acute or chronic ankle instability. 7,10,24 Therefore, we did not include stress radiographs in this study. Further prospective controlled studies may need to investigate the influence of the ossicle on ankle stability.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Ossicle Resection in the Lateral Ligament Repair for Treatment of Chronic Lateral Ankle Instability

2013

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Section: Discussionmentioning

confidence: 99%

The Effect of Ossicle Resection in the Lateral Ligament Repair for Treatment of Chronic Lateral Ankle Instability

2013

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“…Different methods have been used to study the kinematics of ankle instability patients. Roentgen stereophotogrammetry was used to analyze the talar mobility in ankle instability patients . However, such invasive technique may be harmful to subjects and affect their motion kinematics.…”

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confidence: 99%

In Vivo Kinematics of Functional Ankle Instability Patients and Lateral Ankle Sprain Copers During Stair Descent

Cao

Wang

et al. 2019

Journal Orthopaedic Research

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Patients with mechanic ankle instability experience increased tibiotalar and subtalar joint laxity. However, in vivo joint kinematics in functional ankle instability (FAI) patients and lateral ankle sprain (LAS) copers, especially during dynamic activities, are poorly understood. Ten FAI patients, 10 LAS copers, and 10 healthy controls were included in this study. A dual fluoroscopic imaging system was used to analyze the tibiotalar and subtalar joint kinematics during stair descent. Five key poses of stair descent were analyzed. Kinematic data from six degrees of freedom were calculated utilizing a solid modeling software. The range of motion and joint positions in each degree of freedom were compared among the three groups. The tibiotalar joints of FAI patients and LAS copers were significantly more inverted than those of healthy controls during the foot strike (p = 0.016, η p 2 = 0.264). The subtalar joints of FAI patients were significantly more anteriorly translated (pose 2, p = 0.003, η p 2 = 0.352; pose 3, p < 0.001, η p 2 = 0.454; pose 4, p = 0.004, η p 2 = 0.334), inverted (pose 4, p = 0.027, η p 2 = 0.234; pose 5, p = 0.034, η p 2 = 0.221), and externally rotated (pose 4, p = 0.037, η p 2 = 0.217; pose 5; p = 0.004, η p 2 = 0.331) than those of healthy controls during the mid-stance and the heel off. The FAI patients showed excessive tibiotalar inversion and subtalar joint hypermobility during stair descent. Meanwhile, the LAS copers maintained subtalar joint stability, and only showed excessive tibiotalar inversion in foot strike. These data provide insight into the mechanisms behind the development of FAI after initial LAS.

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Die anatomischen Rekonstruktionsmöglichkeiten beim instabilen Sprunggelenk

Schäfer¹,

Hintermann²

2000

Fuß

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Chronic lateral instability of the ankle Roentgen stereophotogrammetry of talar position

Cited by 11 publications

References 27 publications

The Effect of Ossicle Resection in the Lateral Ligament Repair for Treatment of Chronic Lateral Ankle Instability

The Effect of Ossicle Resection in the Lateral Ligament Repair for Treatment of Chronic Lateral Ankle Instability

In Vivo Kinematics of Functional Ankle Instability Patients and Lateral Ankle Sprain Copers During Stair Descent

Die anatomischen Rekonstruktionsmöglichkeiten beim instabilen Sprunggelenk

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