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Akatsuka Y, Teramoto A, Murahashi Y, Takahashi K, Imamura R, Takashima H, Watanabe K, Yamashita T. Quantitative assessment of anterior talofibular ligament quality in chronic lateral ankle instability using magnetic resonance imaging T2* value. Skeletal Radiol 2024; 53:733-739. [PMID: 37857750 DOI: 10.1007/s00256-023-04480-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE To determine T2* normal reference values for anterior talofibular ligament (ATFL) and to investigate the feasibility of the quantitative ATFL quality evaluation in chronic lateral ankle instability (CLAI) using T2* values. MATERIALS AND METHODS This study enrolled 15 patients with CLAI and 30 healthy volunteers. The entire ATFL T2* values from the MRI T2* mapping were measured. The prediction equation (variables: age, height, and weight) in a multiple linear regression model was used to calculate the T2* normal reference value in the healthy group. T2* ratio was defined as the ratio of the actual T2* value of the patient's ATFL to the normal reference value for each patient. A Telos device was used to measure the talar tilt angle (TTA) from the stress radiograph. RESULTS T2* values of ATFL in the healthy and CLAI groups were 10.82 ± 1.84 ms and 14.36 ± 4.30 ms, respectively, which are significantly higher in the CLAI group (P < 0.05). The prediction equation of the normal reference T2* value was [14.9 + 0.14 × age (years) - 4.7 × height (m) - 0.03 × weight (kg)] (R2 = 0.65, P < 0.0001). A significant positive correlation was found between the T2* ratio and TTA (r = 0.66, P = 0.007). CONCLUSION MRI T2* values in patients with CLAI were higher than those in healthy participants, and the T2* ratio correlated with TTA, suggesting that T2* values are promising for quantitative assessment of ATFL quality preoperatively.
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Affiliation(s)
- Yoshihiro Akatsuka
- Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Atsushi Teramoto
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan.
| | - Yasutaka Murahashi
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Katsunori Takahashi
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Rui Imamura
- Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Hiroyuki Takashima
- Faculty of Health Sciences, Hokkaido University, North-12, West-15, Kita-ku, Sapporo, 060-0812, Japan
| | - Kota Watanabe
- Second Division of Physical Therapy, Sapporo Medical University School of Health Sciences, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Toshihiko Yamashita
- Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
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Shultz SJ, Morrissey MC, Vauhnik R. Anterior knee laxity is greater in athletic females who attain menarche at a younger age. Knee Surg Sports Traumatol Arthrosc 2024; 32:889-895. [PMID: 38454787 DOI: 10.1002/ksa.12138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/13/2024] [Accepted: 02/20/2024] [Indexed: 03/09/2024]
Abstract
PURPOSE Females with above-average anterior knee laxity values are at increased risk of anterior cruciate ligament (ACL) injury. The purpose of this study was to examine the effects of menarche age (MA) and menarche offset on anterior knee laxity in young, physically active women. METHODS Anterior knee laxity (KT-2000) and menstrual characteristics (per self-report) were recorded in 686 Slovenian sportswomen from team handball, volleyball and basketball club sports (average years sport participation: 7.3 ± 3.6 years). Females were stratified into four groups based on their self-reported age at menarche: 9-11, 12, 13 and 14+ years. Anterior knee laxity was compared across MA groups using a univariate analysis of variance (ANOVA) with Bonferroni correction, with and without controlling for factors that could potentially differ between groups and influence anterior knee laxity. Females were then stratified into four groups based on the number of years they were away from their age at onset of menarche. Groups were compared using a univariate ANOVA with Bonferroni correction, with and without controlling for factors that differed between groups and could influence anterior knee laxity. RESULTS Anterior knee laxity was greater in females who attained menarche at 12 years of age (6.4 ± 1.5 mm) or younger (6.6 ± 1.6 mm) compared to 14 years of age or older (5.8 ± 1.2 mm) (p < 0.001; partial η2 = 0.032). Anterior knee laxity was 0.7-1.4 mm greater in females who were 5 or more years away from menarche compared to those who were within 2 years of menarche (5.8 ± 1.3 mm; p < 0.001). CONCLUSION Anterior knee laxity is greater in females who attained menarche at a younger age and in females who are 5 or more years postmenarche. Age of menarche represents a critical pubertal event that is easy for women to recall and may provide important insights into factors that moderate anterior knee laxity, a risk factor for ACL injury in women. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Sandra J Shultz
- Department of Kinesiology, University of North Carolina, Greensboro, Greensboro, North Carolina, USA
| | - Matthew C Morrissey
- Biomechanical Laboratory, Department of Physiotherapy, Faculty of Health Sciences, University of Ljubljana, Ljubljana, Slovenia
| | - Renata Vauhnik
- Biomechanical Laboratory, Department of Physiotherapy, Faculty of Health Sciences, University of Ljubljana, Ljubljana, Slovenia
- Arthron, Institute for Joint and Sports Injuries, Ljubljana, Slovenia
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Shultz SJ, Cruz MR, Casey E, Dompier TP, Ford KR, Pietrosimone B, Schmitz RJ, Taylor JB. Sex-Specific Changes in Physical Risk Factors for Anterior Cruciate Ligament Injury by Chronological Age and Stages of Growth and Maturation From 8 to 18 Years of Age. J Athl Train 2022; 57:830-876. [PMID: 36638346 PMCID: PMC9842121 DOI: 10.4085/1062-6050-0038.22] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
OBJECTIVE To critically assess the literature focused on sex-specific trajectories in physical characteristics associated with anterior cruciate ligament (ACL) injury risk by age and maturational stage. DATA SOURCES PubMed, CINAHL, Scopus, and SPORTDiscus databases were searched through December 2021. STUDY SELECTION Longitudinal and cross-sectional studies of healthy 8- to 18-year-olds, stratified by sex and age or maturation on ≥1 measure of body composition, lower extremity strength, ACL size, joint laxity, knee-joint geometry, lower extremity alignment, balance, or lower extremity biomechanics were included. DATA EXTRACTION Extracted data included study design, participant characteristics, maturational metrics, and outcome measures. We used random-effects meta-analyses to examine sex differences in trajectory over time. For each variable, standardized differences in means between sexes were calculated. DATA SYNTHESIS The search yielded 216 primary and 22 secondary articles. Less fat-free mass, leg strength, and power and greater general joint laxity were evident in girls by 8 to 10 years of age and Tanner stage I. Sex differences in body composition, strength, power, general joint laxity, and balance were more evident by 11 to 13 years of age and when transitioning from the prepubertal to pubertal stages. Sex differences in ACL size (smaller in girls), anterior knee laxity and tibiofemoral angle (greater in girls), and higher-risk biomechanics (in girls) were observed at later ages and when transitioning from the pubertal to postpubertal stages. Inconsistent study designs and data reporting limited the number of included studies. CONCLUSIONS Critical gaps remain in our knowledge and highlight the need to improve our understanding of the relative timing and tempo of ACL risk factor development.
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Affiliation(s)
- Sandra J. Shultz
- Department of Kinesiology, University of North Carolina, Greensboro
| | | | | | | | | | - Brian Pietrosimone
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill
| | - Randy J. Schmitz
- Department of Kinesiology, University of North Carolina, Greensboro
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Schmitz RJ, Ford KR, Pietrosimone B, Shultz SJ, Taylor JB. ACL Research Retreat IX Summary Statement: The Pediatric Athlete, March 17-19, 2022; High Point, North Carolina. J Athl Train 2022; 57:990-995. [PMID: 36638340 PMCID: PMC9842120 DOI: 10.4085/1062-6050-0219.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Randy J. Schmitz
- Applied Neuromechanics Research Laboratory, Department of Kinesiology, School of Health and Human Sciences, University of North Carolina, Greensboro
| | - Kevin R. Ford
- Human Biomechanics and Physiology Laboratory, Department of Physical Therapy, High Point University, NC
| | - Brian Pietrosimone
- MOTION Science Institute, Department of Exercise and Sport Science, University of North Carolina at Chapel Hill
| | - Sandra J. Shultz
- Applied Neuromechanics Research Laboratory, Department of Kinesiology, School of Health and Human Sciences, University of North Carolina, Greensboro
| | - Jeffrey B. Taylor
- Human Biomechanics and Physiology Laboratory, Department of Physical Therapy, High Point University, NC
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Howe D, Cone SG, Piedrahita JA, Collins B, Fordham LA, Griffith EH, Spang JT, Fisher MB. Sex-specific biomechanics and morphology of the anterior cruciate ligament during skeletal growth in a porcine model. J Orthop Res 2022; 40:1853-1864. [PMID: 34751996 PMCID: PMC9081289 DOI: 10.1002/jor.25207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 09/24/2021] [Accepted: 10/23/2021] [Indexed: 02/04/2023]
Abstract
Pediatric anterior cruciate ligament (ACL) injuries are on the rise, and females experience higher ACL injury risk than males during adolescence. Studies in skeletally immature patients indicate differences in ACL size and joint laxity between males and females after the onset of adolescence. However, functional data regarding the ACL and its anteromedial and posterolateral bundles in the pediatric population remain rare. Therefore, this study uses a porcine model to investigate the sex-specific morphology and biomechanics of the ACL and its bundles throughout skeletal growth. Hind limbs from male and female Yorkshire pigs aged early youth to late adolescence were imaged using magnetic resonance imaging to measure the size and orientation of the ACL and its bundles, then biomechanically tested under anterior-posterior drawer using a robotic testing system. Joint laxity decreased (p < 0.001) while joint stiffness increased (p < 0.001) throughout skeletal growth in both sexes. The ACL was the primary stabilizer against anterior tibial loading, while the functional role of the anteromedial bundle increased with age (p < 0.001), with an earlier increase in males. ACL and posterolateral bundle cross-sectional area and ACL and anteromedial bundle length were larger in males than females during adolescence (p < 0.01 for all), while ACL and bundle sagittal angle remained similar between sexes. Additionally, in situ ACL stiffness versus cross-sectional area regressions were significant across skeletal growth (r2 = 0.75, p < 0.001 in males and r2 = 0.64, p < 0.001 in females), but not within age groups. This study has implications for age and sex-specific surgical intervention strategies and suggests the need for human studies.
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Affiliation(s)
- Danielle Howe
- Joint Department of Biomedical Engineering, North Carolina State University and the University of North Carolina- Chapel Hill; Raleigh, NC 27695,Comparative Medicine Institute, North Carolina State University; Raleigh, NC 27695
| | - Stephanie G. Cone
- Joint Department of Biomedical Engineering, North Carolina State University and the University of North Carolina- Chapel Hill; Raleigh, NC 27695,Comparative Medicine Institute, North Carolina State University; Raleigh, NC 27695,Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Jorge A. Piedrahita
- Comparative Medicine Institute, North Carolina State University; Raleigh, NC 27695,Department of Molecular Biomedical Sciences, North Carolina State University; Raleigh, NC 27695
| | - Bruce Collins
- Comparative Medicine Institute, North Carolina State University; Raleigh, NC 27695,Department of Animal Science, North Carolina State University; Raleigh, NC 27695
| | - Lynn A. Fordham
- Department of Radiology, University of North Carolina- Chapel Hill; Chapel Hill, NC 27599
| | - Emily H. Griffith
- Department of Statistics, North Carolina State University; Raleigh, NC 27695
| | - Jeffrey T. Spang
- Department of Orthopaedics, University of North Carolina- Chapel Hill; Chapel Hill, NC 27599
| | - Matthew B. Fisher
- Joint Department of Biomedical Engineering, North Carolina State University and the University of North Carolina- Chapel Hill; Raleigh, NC 27695,Comparative Medicine Institute, North Carolina State University; Raleigh, NC 27695,Department of Orthopaedics, University of North Carolina- Chapel Hill; Chapel Hill, NC 27599,Corresponding Author Contact: Address: 4130 Engineering Building III, 911 Oval Drive, CB 7115, Raleigh, NC, 27695, Telephone: 919-515-5242, Fax: 919-513-3814,
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