Morphologic Features of the Distal Femur and Proximal Tibia: A Cross-Sectional Study

Chaurasia, Aditi; Tyagi, Amit Kumar; Santoshi, John Ashutosh; Chaware, Prashant; Rathinam, Bertha

doi:10.7759/cureus.12907

Cited by 6 publications

(4 citation statements)

References 27 publications

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“…Moreover, the articular surface of the MC is oval, while the LC is circular. Tis diference leads to an important efect on knee joint motion [19,20]. Te IC measurement, both RIC and LIC sides, tend to be the thickest when compared to the MC and LC sides.…”

Section: Resultsmentioning

confidence: 99%

Femoral Cartilage Thickness in Knee Osteoarthritis Patients and Healthy Adults: An Ultrasound Measurement Comparison

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Setiyaningsih²,

Widodo³

et al. 2023

The Scientific World Journal

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Background. Currently, conventional radiography is still widely used to diagnose knee osteoarthritis and assess the grade according to Kallgren and Lawrence’s criteria. Ultrasound is a simple, inexpensive, noninvasive, and dynamic modality for evaluating femoral cartilage (FC) thickness. This study aims to measure the FC thickness in knee osteoarthritis (OA) patients and compare it to healthy adults using ultrasound assessment. Methods. An observational study with a cross-sectional design was conducted at the Department of Physical Medicine and Rehabilitation of Hajj General Hospital, Surabaya, Indonesia, from May to July 2022. Participants radiologically diagnosed with OA were included in the study and assigned to the OA group. Meanwhile, healthy adults without knee symptoms were included in the control group. FC thickness was measured using ultrasound scans at three sites: medial condyle (MC), intercondylar (IC), and lateral condyle (LC) on both sides of the knee. Results. The mean age in the OA and control groups was 61.03 ± 8.6 and 33.93 ± 14.7 years, respectively. Most participants in both groups were female. The OA group exhibited a thinner FC (1.49–1.63 mm) than the control group (1.68–1.87 mm). There was a significant difference in the mean of the right and left MC in both groups ( p < 0.05 ) but no significant difference in the IC and LC. Conclusion. OA patients exhibited a thinner FC than healthy adults in the control group. There was a significant difference in the mean thickness of the MC between groups.

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Section: Resultsmentioning

confidence: 99%

Femoral Cartilage Thickness in Knee Osteoarthritis Patients and Healthy Adults: An Ultrasound Measurement Comparison

Pane

Setiyaningsih²,

Widodo³

et al. 2023

The Scientific World Journal

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“…Furthermore, in countries like the Republic of Türkiye and other Asian cultures where people often keep their knees flexed and sit on the floor as part of their social and cultural lifestyle, the design of knee prostheses and their long-term compatibility should take these factors into consideration [7,18]. Therefore, understanding the differences in the relevant anatomical region, appropriate medical treatment, and selecting the most suitable implant can help prevent problems associated with the region.…”

Section: Discussionmentioning

confidence: 99%

“…The femurs used in the study were anatomically intact and complete. Morphometric measurements for the distal femur and trochlea were conducted following the previously described methods [7][8][9]. The definitions of the measurements are provided in Table 1 (Figure 1).…”

Section: Methodsmentioning

confidence: 99%

Morphometrics of Facies Patellaris Femoris in Dry Bones

Aksu¹,

Akkoç²

2023

Cureus

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Introduction: The aim of this study was to investigate the morphological features of the distal femur, with a specific focus on the facies patellaris femoris.Methods: A total of 45 dry femurs from adult individuals (24 right, 21 left) were used for the study. Measurements were taken using a calibrated digital vernier caliper and a contour gauge.Results: Anteroposterior (AP) measurements were taken for the medial and lateral condyles of the femur, as well as the articular surfaces of the facies patellaris, sulcus height (51.186±3.81mm), trochlear depth (7.436±1.19mm), and trochlear index (2.295±0.06mm). The results showed that the width of the facies patellaris had a significant positive correlation with the trochlear depth and trochlear index. The length of the facies patellaris was positively correlated with the AP length of the medial condyle and sulcus height, although it was not statistically significant. Additionally, there was a statistically significant positive correlation between the length, width, and medial and lateral articular surfaces of the facies patellaris (p<0.005). Conclusion:Understanding the relationship between the morphometry of the medial and lateral condyles of the distal femur and the morphometry of the facies patellaris, sulcus height, trochlear depth, and trochlear index and examining the anatomy of the distal femur and patella in individuals are crucial factors for determining appropriate medical treatment and implant selection and compatibility. The findings of this study are expected to contribute to clinicians' interventions in this region (total knee arthroplasty/replacement operation etc.). These data can also be used by implant designers and forensic experts during investigations.

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“…Intuitively, envisioning solely what is usually clinically understood by AP translation between the femur and tibia (i.e. excluding any cross-talk effects entirely) in a healthy subject with intact soft-tissue structures, 7 mm of displacement seems highly plausible, especially considering the proximal tibia has an average AP dimension of about 50 mm [34,35]). However, notwithstanding the possibility to make further first crude attempts at clinically interpreting REFRAMEd signals, the clinical "accuracy" of the values given by the REFRAMEd kinematic signals is very much open for debate, and additional efforts are certainly needed before any kind of consensus can be reached.…”

Section: Clinically Interpreting Reframed Kinematic Signalsmentioning

confidence: 99%

A Reproducible and Robust Representation of Tibiofemoral Kinematics of the Healthy Knee Joint during Stair Descent using REFRAME – Part I: REFRAME Foundations and Validation

Ortigas-Vásquez,

Taylor,

Postolka

et al. 2024

Preprint

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In clinical movement biomechanics, kinematic measurements are collected to characterise the motion of articulating joints and investigate how different factors influence movement patterns. Representative time-series signals are calculated to encapsulate (complex and multidimensional) kinematic datasets succinctly. Exacerbated by a lack of consensus around joint coordinate frame definitions, the influence of local frame orientation and position on the characteristics of the resultant kinematic signals has been previously proven to be a major limitation. Consequently, for consistent interpretation of joint motion (especially direct comparison) to be possible, differences in local frame position and orientation must first be addressed. Here, building on previous work that introduced a frame orientation optimisation method and demonstrated its potential to induce convergence towards a consistent kinematic signal, we present the REference FRame Alignment MEthod (REFRAME) that addresses both rotational and translational kinematics, is validated here for a healthy tibiofemoral joint, and allows flexible selection of optimisation criteria to fittingly address specific research questions. While not claiming to improve the accuracy of joint kinematics or reference frame axes, REFRAME does enable a representation of knee kinematic signals that accounts for differences in local frames (regardless of how these differences were introduced, e.g. anatomical heterogeneity, use of different data capture modalities or joint axis approaches, intra- and inter-rater reliability, etc.), as evidenced by peak root-mean-square errors of 0.24° ± 0.17° and 0.03 mm ± 0.01 mm after its implementation. By using a self-contained optimisation approach to systematically re-align the position and orientation of reference frames, REFRAME allows researchers to better assess whether two kinematic signals represent fundamentally similar or different underlying knee motion. The openly available implementation of REFRAME could therefore allow the consistent interpretation and comparison of knee kinematic signals across trials, subjects, examiners, or even research institutes.

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Morphologic Features of the Distal Femur and Proximal Tibia: A Cross-Sectional Study

Cited by 6 publications

References 27 publications

Femoral Cartilage Thickness in Knee Osteoarthritis Patients and Healthy Adults: An Ultrasound Measurement Comparison

Femoral Cartilage Thickness in Knee Osteoarthritis Patients and Healthy Adults: An Ultrasound Measurement Comparison

Morphometrics of Facies Patellaris Femoris in Dry Bones

A Reproducible and Robust Representation of Tibiofemoral Kinematics of the Healthy Knee Joint during Stair Descent using REFRAME – Part I: REFRAME Foundations and Validation

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