Diminished femoral head–neck offset and the restricted hip range of motion suggesting a possible role in ACL injuries

Bagherifard, Abolfazl; Yahyazadeh, Hooman; Shafieesabet, Azadeh; Gharanizadeh, Kaveh; Jahansouz, Ali; Khanlari, Parhan

doi:10.1007/s00167-017-4589-4

Cited by 6 publications

(6 citation statements)

References 25 publications

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“…Higher alpha angles for the patients with an ACL injury compared to those in the control group have been reported by Bagherifard et al as well. But in their study, it has been reported that the ACL injury group also has shown a decrease in the hip range of motion parameters of internal rotation, abduction, and adduction, and the sum of internal and external rotation contrary to what Lopes et al have reported [14]. In alignment with this stand as well the study by VandenBerg et al…”

Section: Discussionmentioning

confidence: 62%

“…In contrary to these studies which have described a limitation of their own the AP radiographs, we have taken the radiographs in Dunn View, to measure the alpha angle but the results seem similar [12], [14], [17]. Our study aim wasn't to de ne the cam morphology but instead to look at proximal femur morphology through investigating the differences between different degrees of alpha angle and the correlation with ACL injury.…”

Section: Discussionmentioning

confidence: 99%

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Investigating the Role of Proximal Femoral Morphology in Non-Contact ACL Injuries: A Comparative Study

Musliu

Bexheti

Kida³

et al. 2023

Preprint

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Purpose: Non-contact ACL injury is a common and debilitating injury among athletes, with high rates of recurrence and long-term consequences. Identifying individuals who are at risk of ACL injury can help prevent or reduce the severity of these injuries. The aim of this study is to assess the role of alpha angle in patients with ACL rupture. Methodology: This is a case-control study which includes a total of 105 subjects. Hip radiographs were taken in all the subjects using the modified Dunn View radiograph with patient in supine position, hip flexed 45o and abducted 20o. Osirix MD was used to analyse the radiographs and SPSS v.23 for statistical analysis. Results: The majority of injuries were caused by football (58.1%), followed by jumping sports (23.8%) and skiing (18.1%). A mean difference of 5o of the alpha angle between the groups was measured. Statistical tests showed significant difference between the groups (p<0.001) and logistic regression showing 12-20% risk increase for every degree of alpha angle raise. Conclusion: The findings showed a substantial correlation between higher alpha angles and an increased likelihood of ACL injury, with patients who ruptured their ACLs having higher mean alpha angles than those who did not. We recommend that young athletes who are actively participating in sports have their hip alpha angles measured so that those with higher alpha angle can follow special prevention programs.

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Section: Discussionmentioning

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Investigating the Role of Proximal Femoral Morphology in Non-Contact ACL Injuries: A Comparative Study

Musliu

Bexheti

Kida³

et al. 2023

Preprint

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“…Similarly, Gomes et al [7,9,13] analyzed soccer players and showed that noncontact ACL re-ruptures might be related to restricted hip rotation. These authors recommended that hip ROM should be routinely examined to aid in clinical decision making, especially regarding athletes with knee instability.…”

Section: Discussionmentioning

confidence: 99%

Association Between ACL Injury and Restricted Hip Range of Motion Among Athletes: A Case Control Study

Oliveira¹,

Duarte²,

Guglielmetti³

et al. 2020

Preprint

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Background: Anterior cruciate ligament (ACL) rupture is the most common knee ligament injury worldwide, and it is considered as a public health problem because of its high incidence and both short- and long-term consequences. Recently, the scientific literature has shown a trend in the study of post-injury treatments and the possible risk factors associated with the causes of these injuries to facilitate the understanding of the mechanisms of this injury and assist in the elaboration of preventive measures, especially for athletes or practitioners of physical activities. This study compared the hip range of motion (ROM) measurements of athletes depending on the presence of ipsilateral ACL injury. Methods: Athletes diagnosed with previous ACL injury were selected for the case group, and those with other injuries were selected for the control group. Data regarding participants’ histories, ages, genders, and the sports practiced were collected. All participants underwent hip ROM measurements using a goniometer. Hip radiographs were taken to measure the Alpha (α) and Wiberg (w) angles. For the statistical analysis, the means and standard deviations were calculated for continuous variables, and frequencies (percentages) were calculated for dichotomous variables. A p-value less than 5% was defined as significant. Student's t-tests were used for continuous variables, and chi-square tests was used for categorical variables.Results: A total of 77 participants were included: 47 athletes with ACL injuries and 30 with other musculoskeletal injuries. The mean age was 24.7 years, and 46.7% were female. No between-group differences were found with regard to the baseline characteristics. Most of the athletes played futsal (50.6%) followed by soccer (29.8%). The cases presented with significant reductions in hip internal rotation (IR; 24.1° versus 32.50°, p < 0.0005) and the internal rotation associated with external rotation (IR + ER; 69.9° versus 78.5°, p = 0.005) ROMs as well as a significant increase in the w radiographic angle (38.7° versus 32.4°, p < 0.0005).Conclusion: ROM measurements of hip IR, IR + ER, IR values less than 30°, and the w radiographic angle might be associated with previous ipsilateral ACL injuries among athletes.Trial registration: Registered at Brazilian Clinical Trials Registry (ReBec) as RBR-6g87mn on 04 August 2020 (retrospectively registered). http://www.ensaiosclinicos.gov.br/rg/RBR-6g87mn/

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“…K nee ligaments play a crucial role in knee stability and movement. [1][2][3] The posterior cruciate ligament (PCL), is the largest and strongest ligament of the knee with major stabilizing functions. 4 Although the epidemiology of PCL injuries has not been well clarified, they are reported to be responsible for up to 44% of acute knee injuries.…”

Section: Introductionmentioning

confidence: 99%

Conservative management of posterior cruciate ligament avulsion with a large bony fragment: a prospective cohort study

Bagherifard

Khezri

Hadi

et al. 2021

Current Orthopaedic Practice

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Background: Internal fixation is the standard choice for treatment of posterior cruciate ligament (PCL) avulsion with a large bony fragment. However, it is not without complication. This study investigated PCL avulsions with large bony fragments to determine if conservative management resulted in acceptable outcomes. Methods: In a prospective cohort study, the outcome of conservative management of PCL avulsion with large bony fragment was evaluated in 40 patients. The inclusion criteria were a fracture size of more than 20 mm and a displacement of less than 2 mm. The outcomes were evaluated after 12 mo and included the evaluation knee range of motion and scoring of the modified Lysholm questionnaire and the International Knee Documentation Committee. Knee instability was checked by the drawer test and confirmed by stress radiography. Results: The mean patient age was 36.9±16.1 yr. The mean final knee range of motion (ROM) was 125.6±8.2 degrees. The mean Lysholm score was 92.3±6.1 points. Accordingly, the excellent, good, and fair results were observed in 29 (72.5%), eight (20%), and three (7.5%) patients, respectively. The mean International Knee Documentation Committee score of the patients was 94.2±5.3 points. Postoperative instability was seen in two patients. Nonunion was observed in two other patients. The size of the bony fragment was 30 and 32 mm in patients with nonunion. Conclusions: Conservative management of the PCL avulsion with a large bony fragment could result in acceptable outcome. However, application of this technique needs further characterization, particularly with respect to the size of bony fragment. Level of Evidence: Level II.

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Diminished femoral head–neck offset and the restricted hip range of motion suggesting a possible role in ACL injuries

Abstract: III.

Cited by 6 publications

References 25 publications

Investigating the Role of Proximal Femoral Morphology in Non-Contact ACL Injuries: A Comparative Study

Investigating the Role of Proximal Femoral Morphology in Non-Contact ACL Injuries: A Comparative Study

Association Between ACL Injury and Restricted Hip Range of Motion Among Athletes: A Case Control Study

Conservative management of posterior cruciate ligament avulsion with a large bony fragment: a prospective cohort study

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