Sagittal Subtalar and Talocrural Joint Assessment During Ambulation With Controlled Ankle Movement (CAM) Boots

McHenry, Benjamin D.; Exten, Emily L.; Cross, Janelle A.; Kruger, Karen M.; Law, Brian; Fritz, Jessica M.; Harris, Gerald F.

doi:10.1177/1071100717723129

Cited by 16 publications

(13 citation statements)

References 16 publications

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“…9,18,21 Therefore, our study offers new information with regard to the performance of these devices. In a fluoroscopically based study evaluating low and high fracture boots, McHenry et al 16 found a statistically significant decrease in sagittal tibiotalar range of motion for high fracture boots (mean sagittal tibiotalar range of motion, 2.2 degrees) and low fracture boots (8.0 degrees) compared with barefoot (16.7 degrees) in WB. Our study yielded similar sagittal tibiotalar range of motion for the low (7.8 degrees) and high (4.8 degrees) fracture boots but a lower value for the shoe (9.4 degrees), which represented the control condition.…”

Section: Discussionmentioning

confidence: 99%

“…Sample size was based on prior studies. 12,16 The primary outcome measures were sagittal tibiotalar range of motion and peak plantar surface force. Twenty subjects (10 male and 10 female) were recruited for this study.…”

Section: Methodsmentioning

confidence: 99%

“…A more recent study used fluoroscopic techniques in healthy subjects but only compared high and low fracture boots with shoewear and did not include casts. 16 The authors found improved stability with the high fracture boot compared with the low fracture boot.…”

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confidence: 96%

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Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots

et al. 2019

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Background: Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading. Methods: Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading. Results: In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087). Conclusion: The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it. Clinical Relevance: The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots

et al. 2019

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“…Single and biplane fluoroscopy have been using to track talocrual and subtalar motion in the ankle. 29,30 These systems are costly and time consuming to run, have limited field of view, and have concerns with radiation exposure. Therefore, they are currently limited to small research applications.…”

Section: Discussionmentioning

confidence: 99%

Kinematic foot types in youth with pes planovalgus secondary to cerebral palsy

et al. 2019

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“…Dynamic radiographic sequences, or fluoroscopy, can more objectively record the degree of motion loss, particularly in relation to the contralateral side. 42 One of the more common imaging methods used for diagnosing ankle arthrofibrosis is magnetic resonance (MR) imaging. 36 Typical imaging findings consist of capsular and pericapsular thickening (>3 mm) and scarring that is best demonstrated on proton-density MR images (Figure 1).…”

Section: Clinical Features and Diagnosismentioning

confidence: 99%

Arthrofibrosis of the Ankle

Velasco

Patel

Broughton

et al. 2020

Foot & Ankle Orthopaedics

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Arthrofibrosis is a common, but often overlooked, condition that imparts significant morbidity following injuries and surgery to the foot and ankle. The most common etiologies are related to soft tissue trauma with subsequent fibrotic and contractile scar tissue formation within the ligaments and capsule of the ankle. This leads to pain, alterations in gait, and ankle dysfunction. Initial treatment often includes extensive physical therapy, however, if severe enough surgical options exist. Although the literature regarding ankle arthrofibrosis is scarce, this review article provides a greater understanding of the pathogenesis of arthrofibrosis and describes the current and future therapeutic options to treat fibrotic joints. Level of Evidence: Level V, expert opinion.

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Sagittal Subtalar and Talocrural Joint Assessment During Ambulation With Controlled Ankle Movement (CAM) Boots

Cited by 16 publications

References 16 publications

Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots

Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots

Kinematic foot types in youth with pes planovalgus secondary to cerebral palsy

Arthrofibrosis of the Ankle

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