Angle of torsion of the femur and its correlates

Prasad, Rajendra; Vettivel, Selvakumar; Isaac, Bina; Jeyaseelan, L.; Chandi, G.

doi:10.1002/(sici)1098-2353(1996)9:2<109::aid-ca3>3.0.co;2-c

Cited by 25 publications

(3 citation statements)

References 18 publications

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“…It was less than 44.9±1.5cm, 46.12cm, 43.82±2.52cm and 43.02±2.3cm observed by Chandran et al in south India, Lakati et al in Kenya, Prasad et al in Uttarakhand, India, and Lingamdenne et al in Hyderabad, India respectively [ 5 , 9 , 11 , 13 ]. The mean torsion angle was found to be 20.19°±6.9°, higher than 12.3°±7.3° observed in south India by Prasad et al and 15.1°±5.9° noted by Hudson et al in the United States [ 14 , 15 ].…”

Section: Discussioncontrasting

confidence: 51%

Anthropometric Analysis of Distal Femur Parameters in the Eastern Uttar-Pradesh Population

Nayak¹,

Sahni²,

Gupta³

et al. 2023

Cureus

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Introduction: Anthropometric measurements of the distal femoral fragment play a crucial role in prosthesis design during arthroplastic knee surgeries and offer valuable clues for stature estimation in forensic investigations. The present study is an attempt to assess various anthropometric parameters of the distal femur in this regard.Materials and methods: A total of 96 intact dry femora were anthropometrically assessed using digital Vernier calipers. The femoral length was measured using an osteometric table. The torsion angle was calculated with an analog goniometer. The various parameters studied included: medial condyle length and thickness, lateral condyle length and thickness, bicondylar width, intercondylar width, intercondylar depth, torsional angle, and femoral length. The data obtained were statistically analyzed using SPSS software (IBM Corp., Armonk, NY, USA).Results: Mean medial condyle length was 57.38±4.47mm and thickness was 24.53±2.27mm. Mean lateral condyle length and thickness were found to be 58.49±4.3mm and 25.33±3.15mm respectively. Mean bicondylar width was 71.96±6.73mm, mean intercondylar width 21.86±2.71mm, and the intercondylar depth 27.04±2.59mm respectively. The average femur length was 41.87±3.31mm and the average torsion angle was 20.19°±6.99°. Significant correlations were observed between distal femoral parameters. Lateral condyle length showed maximum correlation with other parameters. Femur length was found to correlate significantly with all parameters except medial condyle thickness. Torsion angle was significantly correlated with lateral condyle length and femur length only.Discussion: The findings of this study show considerable variation from those of other studies done within India. This proves that distal femoral anthropometry has regional variations. These data can aid sports physicians and orthopedic surgeons with implant designing and forensic experts during investigations.

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Section: Discussioncontrasting

confidence: 51%

Anthropometric Analysis of Distal Femur Parameters in the Eastern Uttar-Pradesh Population

Nayak¹,

Sahni²,

Gupta³

et al. 2023

Cureus

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“…One factor is that females consistently demonstrate greater hip anteversion than males across the lifespan [78][79][80], which manifests clinically as greater hip maximum internal rotation range of motion [79]. Another factor is that bone strain due to hip muscle activity is thought to influence femoral modeling [81]. Given that males are consistently stronger in the hip muscles than females [82,83], it may be that between-sex differences in hip muscle activation and strength influence femoral and hip joint bone modeling in a way that then influences hip internal rotation range of motion.…”

Section: Discussionmentioning

confidence: 99%

Sex Differences in Pre-Season Anthropometric, Balance and Range-of-Motion Characteristics in Elite Youth Soccer Players

et al. 2022

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In soccer, injury epidemiology differs between males and females. It is clinically useful to know whether there are between-sex differences in selected characteristics relevant to primary injury risk and injury prevention practices. The purpose of this study was to explore between-sex differences in anthropometric, balance, and range-of-motion characteristics in Spanish elite male and female youth soccer players. This was a pre-season cross-sectional study. Sixty-nine males (age 16.8 ± 0.9 yr; height 175.9 ± 6.8 cm; mass 67.9 ± 6.3 kg) and thirty-seven females (age 17.2 ± 1.7 yr; height 164.0 ± 6.3 cm; mass 59.0 ± 5.8 kg) participated. Anthropometrics (standing/sitting height, bodymass, right/left leg length) and right/left anterior reach test (ART), hip internal/external active range of motion, active knee extension (AKE), and weightbearing lunge test (WBLT) were measured. Between-sex differences were assessed with Bonferroni-corrected Mann–Whitney U tests and Cliff’s delta (d). Between-sex significant differences (p < 0.003, d ≥ 0.50) were observed for anthropometric data and for hip internal rotation. No between-sex significant differences were observed for ART/AKE/WBLT measures. Between-sex significant differences with large effect sizes were identified for anthropometric data and right/left hip internal rotation. The present study adds new data to the literature for young Spanish male and female soccer players. The present findings will help inform clinical reasoning processes and future injury prevention research for elite male and female youth soccer players.

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“…11) [53]. Normal femoral anteversion is approximately 12–13° [54, 55]. Femoral retroversion or a relative decrease in femoral anteversion exacerbates the effect of a cam or pincer lesion, as impingement may occur with only minimal internal rotation and hip flexion.…”

Section: Measurementsmentioning

confidence: 99%

MRI for the preoperative evaluation of femoroacetabular impingement

Jawetz

Greditzer

et al. 2015

Insights Imaging

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Femoroacetabular impingement (FAI) refers to a condition characterized by impingement of the femoral head–neck junction against the acetabular rim, often due to underlying osseous and/or soft tissue morphological abnormalities. It is a common cause of hip pain and limited range of motion in young and middle-aged adults. Hip preservation surgery aims to correct the morphological variants seen in FAI, thereby relieving pain and improving function, and potentially preventing early osteoarthritis. The purpose of this article is to review the mechanisms of chondral and labral injury in FAI to facilitate an understanding of patterns of chondrolabral injury seen on MRI. Preoperative MRI evaluation of FAI should include assessment of osseous morphologic abnormalities, labral tears, cartilage status, and other associated compensatory injuries of the pelvis. As advanced chondral wear is the major relative contraindication for hip preservation surgery, MRI is useful in the selection of patients likely to benefit from surgery.Teaching points • The most common anatomical osseous abnormalities predisposing to FAI include cam and pincer lesions.• Morphological abnormalities, labral lesions, and cartilage status should be assessed.• In cam impingement, chondral wear most commonly occurs anterosuperiorly.• Pre-existing advanced osteoarthritis is the strongest predictor of poor outcomes after FAI surgery.• Injury to muscles and tendons or other pelvic structures can coexist with FAI.

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Angle of torsion of the femur and its correlates

Cited by 25 publications

References 18 publications

Anthropometric Analysis of Distal Femur Parameters in the Eastern Uttar-Pradesh Population

Anthropometric Analysis of Distal Femur Parameters in the Eastern Uttar-Pradesh Population

Sex Differences in Pre-Season Anthropometric, Balance and Range-of-Motion Characteristics in Elite Youth Soccer Players

MRI for the preoperative evaluation of femoroacetabular impingement

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