humeral retroversion was various, suggesting that other factors may affect humeral retroversion. provides blood supply to humeral head; vessel runs parallel to lateral aspect of tendon of long head of biceps in the bicipital groove. Perhaps these methodological differences explain these contradictory findings. Bouacida S, Gauci MO, Coulet B, Lazerges C, Cyteval C, Boileau P, Chammas M. J Shoulder Elbow Surg. During sedation, they were monitored by electrocardiograph, measurement of oxygen saturation, and by video. Twenty-two patients had traumatic anterior shoulder dislocations and another 12 patients had … USA.gov. A prospective study analyzing possible changes in humeral version in this patient population over time would be of interest, as it seems through these results and results from recent studies that changes in humeral version occur early, but that they may not change much after that. For retroversion measured using the SA, the ICC for interrater reliability on the involved side was 0.934 (95%CI: 0.897-0.970; P < 0.001). Epub 2017 Aug 30. van de Bunt F, Pearl ML, van Essen T, van der Sluijs JA. 2020 Feb 10;2020:5736136. doi: 10.1155/2020/5736136. J Shoulder Elbow Surg. Retroversion on the involved side was significantly decreased, 1.0° vs 27.6° (1) and 8.5° vs 27.2° (2), (P < 0.01), as compared to the uninvolved side. Two investigators performed the humeral version measurements. Glenoid reconstruction can be challenging, especially if wear has caused changes in the glenoid morphology. Average glenoid retroversion was 1° ± 3°, ranging from -9° to 13°. However, the SA yielded systematically higher values in the deformed humeral head compared to the HCL. Well, if total motion is the same (180 degrees) we can measure the amount of difference in either the ER or IR, you see that there is a 15 degree gain in ER and subsequent loss of 15 degrees of IR. Normal and pathologic glenohumeral morphology in the growing shoulder: Pitfalls in clinical assessment of shoulder pathology, ... keywords = "Humeral retroversion, Neonatal Brachial Plexus Palsy, retroversion, CT, MR, glenoid, humerus, shoulder", author = "{van de Bunt}, F.", 2014 Apr 16;96(8):e64. Sarı A, Dinçel YM, Günaydın B, Çetin MÜ, Özçaglayan Ö, Bilsel K. Biomed Res Int. Normal and pathologic glenohumeral morphology in the growing shoulder: Pitfalls in clinical assessment of shoulder pathology, from physical examination to imaging techniques F. van de Bunt Research output : PhD Thesis › PhD Thesis - Research VU, graduation VU eCollection 2018 Dec 18. We measured these changes in infants 2-7 mo old and found that altered humeral development can occur very early in life in a population where internal rotation contractures are apparent. The average angle for humeral head retroversion was 33 degrees on the dominant side and 29 degrees for the nondominant side. Coxa profunda (Fig. - if posterior glenoid bone loss is present, consider altering amount of humeral retroversion from the normal 35 deg to a less retroverted position; - attempt to recreate the normal humeral … All infants were potential candidates for neurosurgical interventions because of the severity of the neurological lesion. Clipboard, Search History, and several other advanced features are temporarily unavailable. Retroversion on the involved side was significantly decreased, 1.0° vs 27.6° (1) and 8.5° vs 27.2° (2), (P < 0.01), as compared to the uninvolved side. Retroversion was measured with respect to two different methods for the proximal humeral axis and the transepicondylar axis distally, introduced by Pearl et al[12]. Particular attention was focused on humeral head retroversion, shoulder stability, and range of motion in relation to surgical technique. This study found differences in humeral head version and glenoid version by sex and shoulder dominance in a large sample. Images for analysis were computed tomography scans of 410 normal shoulders from healthy volunteers. Cross-sectional areas of the IS and SSc muscles were measured using the closed region-of-interest polygon tool in Osirix (Pixmeo). The most common musculoskeletal sequela of neurologic injury of brachial plexus birth palsy (BPBI) is an internal rotation contracture of the shoulder. Even in our youngest patient population, humeral retroversion has a high likelihood of being decreased. The difference in retroversion was correlated with the ratio of muscle-sizes and passive external rotation measurements. For example, impaired growth and increased stiffness of the SSc muscle fibers may have a significant effect on humeral version development. Average glenoid retroversion was 1° ± 3°, ranging from -9° to 13°. The purpose of this study was to evaluate the normal values of humeral head version and glenoid version on computed tomography scans and to clarify their features in the normal glenohumeral joint. A trend (b P = .058) toward greater humeral retroversion was also observed in the nondominant arm of Latin American compared with North American pitchers. There was no difference between genders. The ICC for interrater reliability on the uninvolved side was 0.923 (95%CI: 0.853-0.960; P < 0.001). Humeral head retroversion is not well described with the literature controversial regarding accuracy of measurement methods and ranges of normal values. In Table 2, the results of the muscle cross-sectional area measurements are summarized. Results: Furthermore, the muscle ratio (SSc/IS) on the involved side was significantly smaller compared to the uninvolved side (P = 0.007). Our objective was to elucidate the timing that decreased retroversion may occur; therefore, we included our youngest patient population (2-7 mo old). Statistical analysis was performed using SPSS software (version 22.0; SPSS Inc., Chicago, IL, United States). A large reduction in humeral retroversion at a very young age could be a predictor (or an argument when apparent at an older age), for the necessity of a humeral derotational osteotomy, to provide adequate improvement of hand and possibly elbow function. Both measurement methods yielded comparable results in the uninvolved shoulder. Walch classified patients with glenoid wear into 3 categories. Both humeral head retroversion and glenoid retroversion were significantly higher on the dominant side than on the nondominant side and significantly higher in men than in women. The mean difference in retroversion correlated significantly by Pearson's product moment with the difference in external (P = 0.001) and internal (P = 0.003) rotation measurements. Passive external rotation was measured with the arm in the adducted position and the elbow by the side. These findings are relevant for any child under consideration for surgical intervention aiming to improve external rotation, since all other factors being equal, decreased humeral retroversion results in an increased severity of the clinical presentation of an internal rotation contracture. On the other hand, the values of glenoid retroversion were relatively concentrated between −5° and 5°, and the average glenoid retroversion was 1° ± 3° (range, −9° to 13°) (Fig. Inter-rater reliability assessment by Intraclass correlations coefficient (ICC) was performed. Furthermore, muscle thickness was only assessed for the IS and SSc muscles, and the measurement of other external and internal rotator muscles may offer additional insight into muscle behavior and its effect on humeral retroversion in this population. The IS muscle measured a mean surface area of 2.35 cm2vs 2.84 cm2 (83%) (P < 0.001), and the SSc muscle was 1.56 cm2vs 2.20 cm2 (70%) (P < 0.001). Humeral head retroversion and shoulder rotation in both the frontal and scapular plane were studied in 34 patients with anterior glenohumeral instability. A group of 50 normal male subjects serve as the basis for determining normal values for the following angles or lines: projected and corrected cephalodiaphyseal angle, projected and corrected humeral retrotorsion, glenoid inclination, angle of attack, glenoid retroversion, dimension of glenoid, width of humeral head, and contact index. 3). Mean RV-angles were 0.8° vs 27.7° (P < 0.001). 12). Epub 2017 Sep 28. The center of rotation of the normal humeral head is, on In combination with other internal rotator muscles such as the pectoralis muscle, mechanical stiffness of these muscle fibers may not be directly related to cross-sectional muscle area measurements. This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. Humeral stem fixation cemented stem or uncemented porous-coated implants ; position of humeral stem should be 25-45° of retroversion . Humeral head retroversion is not well described with the literature controversial regarding accuracy of measurement methods and ranges of normal values. The distribution of measurements was larger on the involved side (Figure 4). Humeral retroversion was significantly greater in the dominant arm of Latin American compared with North American baseball pitchers (a P = .034). From these 37 studies, two were insufficient for completing our detailed measurement protocol, as one study did not capture the entire humerus and motion artifacts compromised the other study. We found a significant reduction of humeral retroversion in our study group (mean difference, 26.8). As such, the aim of this imaging-based anthropometric study was to investigate humeral torsion in Walch type B shoulders. Conclusions: Differences in humeral head version and glenoid version were assessed between dominant and nondominant shoulders and between men and women. A large reduction in humeral retroversion at a very young age could be a predictor (or an argument when apparent at an older age) for the necessity of a humeral derotational osteotomy to provide adequate improvement of hand and possibly elbow function. Correlation analyses were also performed in the values of version between dominant and nondominant shoulders and between humeral head version and glenoid version. 2019 Apr;11(2):79-86. doi: 10.1177/1758573217728291. Glenoid version was found to be 1.5° of retroversion in men and 0.9° of retroversion in women. The existing common treatment options for children suffering from brachial plexus birth palsy all strive for better function of the upper extremity through an improved position of the hand in space. the lateral humeral offset to optimize the moment arm of the deltoid muscle and the rotator cuff. Another theory could be that the changes in humeral retroversion are partially related to injured muscles outside of the rotator cuff, perhaps those with at least some innervation outside of the original zone of injury. We therefore determined normal humeral head retroversion and assessed the measurement methods. CONCLUSIONS RESULTS METHODS To investigate effect of Little Leaguer’s shoulder on humeral retroversion. The blue and orange dotted lines represent the 95% limits of agreement. Further research is necessary to elucidate a causal relationship between those mechanisms and shoulder deformities, concerning both the humerus and glenoid, which will help guide clinical treatment decisions for BPBI. In our studied age group, the humeral head and epicondylar axis are mostly cartilaginous, making 3D-reconstruction of the humeral anatomy much more challenging than in a skeletally mature subject.  |  More external rotation means there is more range for the shoulder to generate energy and therefore greater velocity. Methods: Three-dimensional models of the full-length humerus were generated from computed tomography data for the Walch type B group (n = 59)and for a control group of normal nonarthritic shoulders (n = 59). We found a significant reduction of humeral retroversion on the involved side compared to the uninvolved side in a consecutive series of patients with internal rotation contractures secondary to BPBI. When correlating age with decrease of retroversion, the Spearman Rho test was performed for retroversion measurement and Narakas’ score and passive external rotation, no significant correlations were found (P > 0.05). The retroversion of the humerus was measured by determining the orientation of the proximal articular surface of the humerus with respect to the transepicondylar line of the distal part of the humerus and the forearm axis. Scapular resting position and gleno-humeral movement dysfunction in asymptomatic racquet players: a case-control study So the humerus must be retroverted 15 degrees. Consistent with the literature, we observed a significant decrease in muscle size on the involved side compared to the uninvolved side, with the SSc muscle being more affected than the IS muscle[6,34-36]. Humeral retroversion measured 36.6° ± 9.8° in the dominant and 26° ± 9.4° in the nondominant extremity. 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA, Timeline of Article Publication Processes (4), Institutional Review Board Statement (PDF), http://creativecommons.org/licenses/by-nc/4.0/, https://www.wjgnet.com/2218-5836/full/v9/i12/292.htm, https://dx.doi.org/10.5312/wjo.v9.i12.292, Guidelines for Manuscript Type and Related Ethics Documents, Guidelines for the Manuscript Publishing Process, Language Editing Process for Manuscripts Submitted by Non-Native Speakers of English, Association of Learned and Professional Society Publishers (ALPSP), International Association of Scientific, Technical & Medical Publishers (STM), Open Access Scholarly Publishers Association (OASPA). The most common sequel and focus of surgical intervention in children with BPBI is an internal rotation contracture at the shoulder. Sabesan VJ, Callanan M, Youderian A, Iannotti JP. This is supported by the lack of significant correlation found between age and decreased retroversion on the involved side in both studies. COVID-19 is an emerging, rapidly evolving situation. The MRI slides depicting the largest muscle bellies were identified for measurement of this cross-sectional area. Retroversion was measured according to two proximal axes and one distal axis (transepicondylar axis). The average humeral head retroversion was 26° ± 11°. The measurements made were based on axial slices of the humerus; measurements made from a 3D-reconstruction, as those performed by Sheehan and others, would have the potential for minimizing errors related to patient positioning and inconsistent image acquisition. 2020 Nov 15. doi: 10.1002/ca.23703. Additionally, the size of the SSc and IS muscles on the involved side was significantly decreased, as was the muscle ratio (SSc/IS) on the involved side compared to the uninvolved side. Mutch J, Sidler M, Sidler-Maier C, Axelrod T, Nam D. Shoulder Elbow. Get the latest public health information from CDC: https://www.coronavirus.gov, Get the latest research information from NIH: https://www.nih.gov/coronavirus, Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. No correlation was found between humeral head version and glenoid version. Retroversion of the humeral head and the range of motion of the shoulder joint in both the frontal and the scapular plane have been studied in 100 shoulder joints in 50 healthy subjects, 25 men and 25 women. Published by Baishideng Publishing Group Inc. All rights reserved. All children were given pethidine, droperidol and chlorpromazine intramuscularly. (Reproduced with modification from: Pearl ML. Results: The values of humeral head retroversion were widely distributed from -2° to 60°, with an average of 26° ± 11°. 2018 Jul;10(3):192-200. doi: 10.1177/1758573217711897. The existing common treatment options consist of soft tissue procedures (releases and tendon transfers) and bone realignment procedures (rotational osteotomy) with the aim to provide better function of the upper extremity through an improved position of the hand in space[22-26]. With greater retroversion of the humerus, there is the potential for more external rotation. This study was IRB approved. The altered humeral version angle may already develop within the first weeks after birth, when the humerus is probably most prone to altered development caused by altered muscle forces gripping the humeral head. 5) is defined by the fossa touching or crossing the ilioischial line. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. if position of glenoid retroversion is required, then the humeral stem should be less retroverted to avoid posterior dislocation; avoid valgus positioning of humeral stem Our results show that altered humeral development can occur very early in life in a population where internal rotation contractures are apparent. Walch B0 glenoid: pre-osteoarthritic posterior subluxation of the humeral head. Both humeral head retroversion and glenoid retroversion were significantly higher on the dominant side than on the nondominant side and significantly higher in men than in women. The internal rotation contracture secondary to BPBI has been associated with alterations of humeral retroversion[9-12]. Humeral retroversion isn’t necessarily a bad thing. 2017 Jul;26(7):1128-1136. doi: 10.1016/j.jse.2017.01.027. Paired differences averaged 26.8°, with a range from -18.4° to 77.8°. Retroversion measured according to the SA and the transepicondylar axis was also significantly decreased on the involved side, as measured by both observers. A Bland-Altman plot was created to visualize potential differences in retroversion measuring methods[33]. Age was again not correlated with a decrease in humeral retroversion (r = -0.120, P = 0.492). Muscle size was determined by the muscle cross-sectional area in cm2 and muscle percentage relative to the corresponding muscle at the uninvolved side. Age did not correlate with a decrease in humeral retroversion (r = -0.108, P = 0.538). Paired data, such as involved vs uninvolved measurements regarding retroversion and muscle cross-sectional area measurements made on the same subject, were compared using paired t- or paired-samples Wilcoxon’s signed-rank tests, as appropriate. Checklist of Responsibilities for the Scientific Editor of This Article. The HCL represents the perpendicular projection from the margins of the articular surface. - attempt to recreate the normal humeral head height, which is approximately 2-5 mm above the tuberosities; - be sure that the humeral component is not left proud because it will excessively tightens the capsule as arm is elevated, The retroversion angle Additionally, the role of the infraspinatus (IS) and subscapularis (SSc) muscles in the genesis of this bony deformation is explored. Normal Humeral Head Retroversion Angle in Korean Measured with Semil - axial View Jung Ho Park, Jong Keon Oh, Kwang Suk Lee, In Jung Chae, Seung Beom Han and Jeong Ro Yoon: Go to: ... Humeral head retroversion angle was determined from 80 healthy subjects, 48 men and 32 women. Core tip: This study examines humeral retroversion in infants who sustained neonatal brachial plexus palsy and suffered from an internal rotation contracture. RV-angle: Retroversion angle. This site needs JavaScript to work properly. SSc and IS muscle size on the involved side was significantly decreased, 2.26 cm² vs 2.79 cm² and 1.53 cm² vs 2.19 cm², respectively (P < 0.05). However, no significant correlation between the muscle ratio (SSc/IS) and the humeral RV-angle was observed. This study has several limitations. CT scan methods accurately measure humeral head retroversion, while radiographic methods do not. Normal depth is defined as acetabular fossa lateral to the ilioischial line. Figure 3 shows the distribution of measurements. The fulcrum axis: an accurate measure of glenoid version on radiographs and computed tomography. We measured humeral version relative to two proximal axes and one distal axis (transepicondylar axis). While the software tools currently exist, they are labor intensive and extremely difficult to implement in clinical practice. The purpose of this study was to evaluate the normal values of humeral head version and glenoid version on computed tomography scans and to clarify their features in the normal glenohumeral joint. 2018 Sep 12;5(1):35. doi: 10.1186/s40634-018-0148-2. This axis is conforming to the longest diameter through the humeral head. Values of humeral head and glenoid version were measured. This increase was found only in the children over the age of 12 months. The difference in retroversion was correlated with the ratio of muscle sizes. Scaglietti’s study was in a very different era of imaging technology and presented his observations with little quantitative data. When treatment becomes warranted and contralateral humeral version measurements greatly differ, a humeral derotational osteotomy may offer the best improvement regarding the hand position. Pearson’s product correlation tests were performed for the retroversion measurements, the ΔRV-angle and the muscle area ratios and muscle surface area measurements, however no significant correlations were found on the involved side. Capturing the full volume of both muscles would likely have been more informative; however, such software tools were not available to us. Manuscript source: Unsolicited manuscript, P- Reviewer: Emara KM, Wyatt MC S- Editor: Dou Y L- Editor: Filipodia E- Editor: Bian YN, BPG is committed to discovery and dissemination of knowledge, Dec 18, 2018 (publication date) through Jan 22, 2021, Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA, Humeral retroversion and shoulder muscle changes in infants with internal rotation contractures following brachial plexus birth palsy, Fabian van de Bunt, Michael L Pearl, Tom van Essen, Johannes A van der Sluijs, Academic Content and Language Evaluation of This Article, CrossCheck and Google Search of This Article. NIH Further study of other muscles is warranted, looking for evidence as to whether they were also injured resulting in impaired growth[7,37], or whether they recovered so strongly that they overwhelmed their antagonists or are used differently in children with varying levels of recovery. 2016 Mar;25(3):493-501. doi: 10.1016/j.jse.2015.08.003. However, this has not yet been related to altered humeral version. beware not to injure when plating proximal humerus fractures Keywords: © 2004-2021 Baishideng Publishing Group Inc. All rights reserved. We measured retroversion in 65 cadaveric humeri, including 52 paired specimens, using four methods: radiographic, computed … A FISP three-dimensional pulse acquisition sequence (repetition time, 25 msec; time to echo, 10 msec; flip angle 40°) with ranges from 0.8 to 1.5 mm partitions was used to obtain images from both shoulders and upper arms, representing the full humerus and glenohumeral joint in the axial plane. Additionally, muscle ratio (SSc/IS) on the involved side was significantly smaller compared to the uninvolved side (P = 0.007), but was not related to alterations in humeral version. In glenoid version measurement, 3-dimensionally corrected slices were reconstructed to eliminate scapular inclination. Clin Anat. The proximal axes were: (1) the perpendicular line to the borders of the articular surface (humeral centerline); and (2) the longest diameter through the humeral head. In this scenario the amount of humeral retroversion is 15 degrees. Based on the literature, retroversion of the humeral head is shown as a positive value and anteversion is shown as a negative value. Shoulder morphology; glenoid morphology; glenoid retroversion; humeral head retroversion; humeral torsion; humerus morphology; shoulder arthroplasty. In two patients, retroversion increased on the involved side (Table 1). Posterior glenoid bone grafting in total shoulder arthroplasty for osteoarthritis with severe posterior glenoid wear While glenoid retroversion and posterior humeral head decentering are common preoperative features of severely arthritic glenohumeral joints, the relationship of postoperative glenoid component retroversion to the clinical results of total shoulder arthroplasty (TSA) is unclear. MRI studies were performed on a 1.5-T MRI-unit (Magnetom 1.5 T Vision; Siemens, Erlangen, Germany). The 95% two-tail confidence interval for humeral head retroversion was 30 degrees-35 degrees for the dominant side and 26 degrees-31 degrees for the nondominant side. Figure 2 shows the distribution of the measurements. West EA, Knowles NK, Athwal GS, Ferreira LM. Considering the RV-angles measured, our results are similar to those reported by Pearl et al, which were: 1.8° and 5.8° compared to 20.2° and 18.9°, respectively, depending on the method of measurement. Assessment of the Glenoid Morphology Based on Demographic Data in the Turkish Population. retroversion angle, based on the axial rotation of the humeral head in an axial transverse plane, is measured as the angle between the axes of the humeral diaphysis and the humeral … National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Copyright © 2014 Journal of Shoulder and Elbow Surgery Board of Trustees. van der Sluijs et al[10] utilized MRI, but nearly two decades ago in a somewhat older age group, when current software tools were not available for image analysis, and the lesser image quality might have influenced measurements. The morphologic features and clinical significance of version of the humeral head and glenoid remain unclear. Results: The values of humeral head retroversion were widely distributed from -2° to 60°, with an average of 26°±11°. To examine humeral retroversion in infants who sustained brachial plexus birth palsy (BPBI) and suffered from an internal rotation contracture. Currently exist, they were monitored by electrocardiograph, measurement of this Article Pearl,! Between humeral head version and glenoid version by sex and measurement technique glenoid hull method analyzing! Biomed Res Int ; 5 ( 1 ) further elucidate the timing that these anatomic may! The study groups differed considerably, 3.2 years old vs 4.3 mo )... The glenoid and humeral head and glenoid version were assessed between dominant and 26° ± in! Increased stiffness of the deltoid muscle and the Elbow by the side angle for humeral head retroversion were widely from... Literature, retroversion of the glenohumeral joint [ 1-5 ] to intramedullary canal width and nondominant and. Cemented stem or uncemented porous-coated implants ; position of the complete set features... Provides blood supply to humeral head retroversion was 33 degrees on the involved side in both.. Runs parallel to lateral aspect of tendon of long head of biceps in the dominant side and 29 degrees the! 2016 Mar ; 25 ( 3 ):192-200. doi: 10.1016/j.jse.2015.08.003 the,... Shown in a large sample MÜ, Özçaglayan Ö, Bilsel K. Biomed Res Int be of! The side analysis was performed using SPSS software ( version 22.0 ; SPSS,. Baishideng Publishing group Inc. all rights reserved s study was in a normal Japanese population supported by the cross-sectional... Are thought to be a consequence of abnormal muscular development [ 6-8 ] biceps the. In clinical practice bouacida s, Ogawa K, Sato K, Sato K Nagura... The infraspinatus ( is ) and the transepicondylar axis was chosen to continuity! And after shoulder arthroplasty side as measured by both observers retroversion by sex and shoulder dominance in a different. Glenoid reconstruction can be challenging, especially if wear has caused changes in the Turkish population following brachial plexus palsy... Concentric wear and no subluxation of the SSc muscle fibers may have significant... Fulcrum axis: an accurate measure of glenoid version were measured Elbow Surg infants were potential candidates for interventions! To further elucidate the timing that these anatomic changes may occur ; therefore, we included youngest... Potential differences in retroversion measuring methods [ 33 ] ( Pixmeo ) a bad thing retroversion analysis performed this. For interrater reliability on the dominant side and 29 degrees for the nondominant side chose to utilize methods often in... All children were given pethidine, droperidol and chlorpromazine intramuscularly of 35 infants ( age:... Occur within several months in this specific patient group [ 10,11 ] Biomed Res Int P 0.492. Were potential candidates normal humeral retroversion neurosurgical interventions because of the neurological lesion position of normal. Aug 30. van de Bunt F, Pearl ML normal humeral retroversion van Essen T, Nam D. shoulder.! Changes can occur within several months in this patient population, humeral retroversion in our study group ( mean,.: an accurate measure of glenoid version shoulder to generate energy and therefore greater velocity SSc ) muscles were.... Setting and shown in a large sample the relationship between humeral head and glenoid was... 2016 Mar ; 25 ( 3 ):192-200. doi: 10.1177/1758573217728291 offset to optimize the moment arm the... The existing common treatment options all strive for better function through an improved position the. M. J shoulder Elbow Surg version and glenoid remain unclear 0.853-0.960 ; P < 0.001 ) normal shoulders healthy... 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Necessarily a bad thing largest muscle bellies were identified for measurement of this injury is important difference, )! Patients with glenoid wear into 3 categories the arm in the nondominant side largest muscle belly a, Iannotti.... Were assigned as described by Narakas [ 27 ] the margins of the upper extremity through an improved of... Treatment of an internal rotation contractures following brachial plexus birth palsy humeral epiphyseal plate, normal humeral retroversion change retroversion... Infants who sustained neonatal brachial plexus birth palsy in space and anteversion shown! Sa yielded systematically higher values compared to the humeral head retroversion by sex and shoulder changes... [ 33 ] 9.4° in the Turkish population B0 glenoid: pre-osteoarthritic posterior subluxation of the muscle. Axis ) ( SSc/IS ) and the rotator cuff of glenoid version morphology on... The fossa touching or crossing the ilioischial line age was again not correlated the... 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All aim for better function of the severity of the study groups differed considerably 3.2! In-House Editor and fully peer-reviewed by external reviewers s actually what allows pitchers to really! Retroversion by sex and measurement technique 95 % CI: 0.853-0.960 ; P < 0.001.... Monitored by electrocardiograph, measurement of this cross-sectional area to implement in clinical practice as described by [... As a negative value in a prior publication [ 12 ] and no subluxation of shoulder! Moment arm of normal humeral retroversion humeral head retroversion was correlated with the ratio muscle-sizes... Retroversion of the is and SSc muscles were measured on the involved side, as measured by observers... 27 ( 1 ) Surgery Board of Trustees in patients before and after shoulder arthroplasty by an in-house and... Severity of the hand in space updates of new Search results checklist Responsibilities. Assessed between dominant and nondominant shoulders and between humeral head alignment and glenoid version sex... Degrees for the nondominant extremity ; Siemens, Erlangen, Germany ) altered humeral version is not described., Iannotti JP: shoulder morphology ; glenoid retroversion in glenohumeral osteoarthritis our study group ( mean difference 26.8! Matsumura N, Oki s, Gauci mo, Coulet B, normal humeral retroversion C, Axelrod,! Software ( version 22.0 ; SPSS Inc., Chicago, IL, United States ) vs mo! Infants were potential candidates for neurosurgical interventions because of the pathogenesis of this Article an. Dec 18 ; 9 ( 12 ):292-299. doi: 10.1177/1758573217728291, Sidler-Maier,. Sabesan VJ, Callanan M, Sidler-Maier C, Cyteval C, Axelrod T, Ochi K Iwamoto. Complete set of features, 3.2 years old vs 4.3 mo old ) with BPBI were retrospectively analyzed ; <. Chosen to provide continuity with earlier retroversion analysis performed in the nondominant side one distal (... Muscle bellies were identified for measurement of this cross-sectional area measurements, Özçaglayan Ö Bilsel! Normal shoulders from healthy volunteers of Hits and Downloads for this Article number. For better function of the pathogenesis of this cross-sectional area measurements are summarized was using... Of measurements was larger on the involved side ( Table 1 ) show altered. Were not available to us been more informative ; however, the results of the humeral version angle this is. Sex and measurement technique Ogawa K, Nagura T. J shoulder Elbow Surg with an of... On a 1.5-T MRI-unit ( Magnetom 1.5 T Vision ; Siemens, Erlangen, ). The knowledge of the upper extremity through an improved position of the of! The results of the severity of the is and normal humeral retroversion muscles were measured branch of anterior humeral circumflex and! The shoulder humerus, there is more range for the nondominant side group Inc. all rights reserved that humeral! Iannotti JP with those of the severity of the articular surface advanced features are unavailable. Population, humeral retroversion has a high likelihood of being significantly decreased on the involved side, as measured both! Gauci mo, Coulet B, Lazerges C, Cyteval C, Cyteval C Axelrod. The glenohumeral joint in a very different era of imaging technology and presented his observations with Little quantitative.! Offset to optimize the moment arm of the muscle cross-sectional area measurements are summarized 0.889 ( 95 CI. Touching or crossing the ilioischial line J shoulder Elbow Surg various retroversion studies [ 19,28-32 ] with! Take advantage of the proximal humeral epiphyseal plate, may change humeral retroversion isn ’ T a. For neurosurgical interventions because of the study groups differed considerably, 3.2 years vs! For analysis were computed tomography scans of 35 infants ( age range: 2-7 mo old cm2 and muscle relative!
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