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Poon L.C, Yang H, Dumont S, Lee JCS, Copel JA, Danneels L, Wright A, Costa FDS, Leung TY, Zhang Y, Chen D, Prefumo F. ISUOG Interim Guidance on coronavirus disease 2019 (COVID-19) during pregnancy and puerperium: information for healthcare professionals - an update. Ultrasound Obstet Gynecol 2020; 55:848-862. [PMID: 32356590 PMCID: PMC7267438 DOI: 10.1002/uog.22061] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Affiliation(s)
- L. . C. Poon
- Department of Obstetrics and GynaecologyThe Chinese University of Hong KongHong Kong SAR
| | - H. Yang
- Department of Obstetrics and GynecologyPeking University First HospitalBeijingChina
| | - S. Dumont
- Department of Gynaecology and ObstetricsUniversity Hospitals Leuven, Leuven, Belgium; and Department of GynaecologyAZ Delta, RoeselareBelgium
| | - J. C. S. Lee
- Division of Obstetrics and GynaecologyKK Women's and Children's HospitalSingapore
| | - J. A. Copel
- Department of Obstetrics, Gynecology & Reproductive SciencesYale School of MedicineNew HavenCTUSA
| | - L. Danneels
- Department of Gynaecology, AZ DeltaRoeselareBelgium
| | - A. Wright
- Department of Obstetrics and GynaecologyRoyal Free Teaching Hospital Foundation TrustLondonUK
| | - F. Da Silva Costa
- Department of Gynecology and Obstetrics, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil; and Department of Obstetrics and GynaecologyMonash UniversityMelbourneAustralia
| | - T. Y. Leung
- Department of Obstetrics and GynaecologyThe Chinese University of Hong KongHong Kong SAR
| | - Y. Zhang
- Department of Obstetrics and GynaecologyZhongnan Hospital of Wuhan UniversityWuhanChina
| | - D. Chen
- Department of Obstetrics and GynaecologyThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - F. Prefumo
- Department of Clinical and Experimental SciencesUniversity of BresciaBresciaItaly
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De Blaiser C, De Ridder R, Willems T, Danneels L, Vanden Bossche L, Palmans T, Roosen P. Evaluating abdominal core muscle fatigue: Assessment of the validity and reliability of the prone bridging test. Scand J Med Sci Sports 2017; 28:391-399. [PMID: 28544083 DOI: 10.1111/sms.12919] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2017] [Indexed: 11/30/2022]
Abstract
The aims of this study were to research the amplitude and median frequency characteristics of selected abdominal, back, and hip muscles of healthy subjects during a prone bridging endurance test, based on surface electromyography (sEMG), (a) to determine if the prone bridging test is a valid field test to measure abdominal muscle fatigue, and (b) to evaluate if the current method of administrating the prone bridging test is reliable. Thirty healthy subjects participated in this experiment. The sEMG activity of seven abdominal, back, and hip muscles was bilaterally measured. Normalized median frequencies were computed from the EMG power spectra. The prone bridging tests were repeated on separate days to evaluate inter and intratester reliability. Significant differences in normalized median frequency slope (NMFslope ) values between several abdominal, back, and hip muscles could be demonstrated. Moderate-to-high correlation coefficients were shown between NMFslope values and endurance time. Multiple backward linear regression revealed that the test endurance time could only be significantly predicted by the NMFslope of the rectus abdominis. Statistical analysis showed excellent reliability (ICC=0.87-0.89). The findings of this study support the validity and reliability of the prone bridging test for evaluating abdominal muscle fatigue.
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Affiliation(s)
- C De Blaiser
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - R De Ridder
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - T Willems
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - L Danneels
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - L Vanden Bossche
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, Ghent, Belgium
| | - T Palmans
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - P Roosen
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
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Leysen M, Nijs J, Van Wilgen P, Demoulin C, Danneels L, Voogt L, Dankaerts W, Pitance L, Roussel N. Attitudes and beliefs concerning low back pain among physiotherapy students in Belgium: A cross-sectional study. Musculoskelet Sci Pract 2017. [DOI: 10.1016/j.math.2016.10.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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De Pauw R, Coppieters I, Kregel J, De Meulemeester K, Danneels L, Cagnie B. Does muscle morphology change in chronic neck pain patients? – A systematic review. ACTA ACUST UNITED AC 2016; 22:42-9. [DOI: 10.1016/j.math.2015.11.006] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 11/23/2015] [Accepted: 11/29/2015] [Indexed: 10/22/2022]
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Dolphens M, Vansteelandt S, Cagnie B, Nijs J, Danneels L. Factors associated with low back and neck pain in young adolescence: a multivariable modeling study. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Van Oosterwijck J, Caeyenberghs K, Meeus M, Dhondt E, Burggraeve L, Danneels L. Structural brain plasticity induced by physical training in adults affected by aging or disease related impairments: a systematic review. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Vleeming A, Schuenke MD, Danneels L, Willard FH. The functional coupling of the deep abdominal and paraspinal muscles: the effects of simulated paraspinal muscle contraction on force transfer to the middle and posterior layer of the thoracolumbar fascia. J Anat 2014; 225:447-62. [PMID: 25139243 DOI: 10.1111/joa.12227] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2014] [Indexed: 11/30/2022] Open
Abstract
The thoracolumbar fascia (TLF) consists of aponeurotic and fascial layers that interweave the paraspinal and abdominal muscles into a complex matrix stabilizing the lumbosacral spine. To better understand low back pain, it is essential to appreciate how these muscles cooperate to influence lumbopelvic stability. This study tested the following hypotheses: (i) pressure within the TLF's paraspinal muscular compartment (PMC) alters load transfer between the TLF's posterior and middle layers (PLF and MLF); and (ii) with increased tension of the common tendon of the transversus abdominis (CTrA) and internal oblique muscles and incremental PMC pressure, fascial tension is primarily transferred to the PLF. In cadaveric axial sections, paraspinal muscles were replaced with inflatable tubes to simulate paraspinal muscle contraction. At each inflation increment, tension was created in the CTrA to simulate contraction of the deep abdominal muscles. Fluoroscopic images and load cells captured changes in the size, shape and tension of the PMC due to inflation, with and without tension to the CTrA. In the absence of PMC pressure, increasing tension on the CTrA resulted in anterior and lateral movement of the PMC. PMC inflation in the absence of tension to the CTrA resulted in a small increase in the PMC perimeter and a larger posterior displacement. Combining PMC inflation and tension to the CTrA resulted in an incremental increase in PLF tension without significantly altering tension in the MLF. Paraspinal muscle contraction leads to posterior displacement of the PLF. When expansion is combined with abdominal muscle contraction, the CTrA and internal oblique transfers tension almost exclusively to the PLF, thereby girdling the paraspinal muscles. The lateral border of the PMC is restrained from displacement to maintain integrity. Posterior movement of the PMC represents an increase of the PLF extension moment arm. Dysfunctional paraspinal muscles would reduce the posterior displacement of the PLF and increase the compliance of the lateral border. The resulting change in PMC geometry could diminish any effects of increased tension of the CTrA. This study reveals a co-dependent mechanism involving balanced tension between deep abdominal and lumbar spinal muscles, which are linked through the aponeurotic components of the TLF. This implies the existence of a point of equal tension between the paraspinal muscles and the transversus abdominis and internal oblique muscles, acting through the CTrA.
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Affiliation(s)
- A Vleeming
- Department of Anatomy, University of New England College of Osteopathic Medicine, Biddeford, ME, USA; Department of Rehabilitation Sciences and Physiotherapy, University of Ghent, Ghent, Belgium
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Vleeming A, Schuenke MD, Masi AT, Carreiro JE, Danneels L, Willard FH. The sacroiliac joint: an overview of its anatomy, function and potential clinical implications. J Anat 2012; 221:537-67. [PMID: 22994881 PMCID: PMC3512279 DOI: 10.1111/j.1469-7580.2012.01564.x] [Citation(s) in RCA: 277] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2012] [Indexed: 12/28/2022] Open
Abstract
This article focuses on the (functional) anatomy and biomechanics of the pelvic girdle and specifically the sacroiliac joints (SIJs). The SIJs are essential for effective load transfer between the spine and legs. The sacrum, pelvis and spine, and the connections to the arms, legs and head, are functionally interrelated through muscular, fascial and ligamentous interconnections. A historical overview is presented on pelvic and especially SIJ research, followed by a general functional anatomical overview of the pelvis. In specific sections, the development and maturation of the SIJ is discussed, and a description of the bony anatomy and sexual morphism of the pelvis and SIJ is debated. The literature on the SIJ ligaments and innervation is discussed, followed by a section on the pathology of the SIJ. Pelvic movement studies are investigated and biomechanical models for SIJ stability analyzed, including examples of insufficient versus excessive sacroiliac force closure.
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Affiliation(s)
- A Vleeming
- Department of Anatomy, University of New England College of Osteopathic Medicine, Biddeford, ME, USA
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Abstract
In this overview, new and existent material on the organization and composition of the thoracolumbar fascia (TLF) will be evaluated in respect to its anatomy, innervation biomechanics and clinical relevance. The integration of the passive connective tissues of the TLF and active muscular structures surrounding this structure are discussed, and the relevance of their mutual interactions in relation to low back and pelvic pain reviewed. The TLF is a girdling structure consisting of several aponeurotic and fascial layers that separates the paraspinal muscles from the muscles of the posterior abdominal wall. The superficial lamina of the posterior layer of the TLF (PLF) is dominated by the aponeuroses of the latissimus dorsi and the serratus posterior inferior. The deeper lamina of the PLF forms an encapsulating retinacular sheath around the paraspinal muscles. The middle layer of the TLF (MLF) appears to derive from an intermuscular septum that developmentally separates the epaxial from the hypaxial musculature. This septum forms during the fifth and sixth weeks of gestation. The paraspinal retinacular sheath (PRS) is in a key position to act as a 'hydraulic amplifier', assisting the paraspinal muscles in supporting the lumbosacral spine. This sheath forms a lumbar interfascial triangle (LIFT) with the MLF and PLF. Along the lateral border of the PRS, a raphe forms where the sheath meets the aponeurosis of the transversus abdominis. This lateral raphe is a thickened complex of dense connective tissue marked by the presence of the LIFT, and represents the junction of the hypaxial myofascial compartment (the abdominal muscles) with the paraspinal sheath of the epaxial muscles. The lateral raphe is in a position to distribute tension from the surrounding hypaxial and extremity muscles into the layers of the TLF. At the base of the lumbar spine all of the layers of the TLF fuse together into a thick composite that attaches firmly to the posterior superior iliac spine and the sacrotuberous ligament. This thoracolumbar composite (TLC) is in a position to assist in maintaining the integrity of the lower lumbar spine and the sacroiliac joint. The three-dimensional structure of the TLF and its caudally positioned composite will be analyzed in light of recent studies concerning the cellular organization of fascia, as well as its innervation. Finally, the concept of a TLC will be used to reassess biomechanical models of lumbopelvic stability, static posture and movement.
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Affiliation(s)
- F H Willard
- Department of Anatomy, University of New England College of Osteopathic Medicine, Biddeford, ME 04005, USA.
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Bouche K, Daenens AS, Caemaert J, Vanderstraeten G, Danneels L. Long term outcome of lumbar discectomy: results from a biopsychosocial perspective. Acta Neurol Belg 2011; 111:287-295. [PMID: 22368968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Affiliation(s)
- K Bouche
- Fund for Scientific Research Flanders, Belgium.
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De Mey K, Danneels L, Cagnie B, Cools A. Are kinetic chain rowing exercises relevant in shoulder and trunk injury prevention training? Br J Sports Med 2011. [DOI: 10.1136/bjsm.2011.084038.30] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Dickx N, Cagnie B, Parlevliet T, Lavens A, Danneels L. The effect of unilateral muscle pain on recruitment of the lumbar multifidus during automatic contraction. An experimental pain study. ACTA ACUST UNITED AC 2010; 15:364-9. [DOI: 10.1016/j.math.2010.02.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2009] [Revised: 02/01/2010] [Accepted: 02/08/2010] [Indexed: 11/17/2022]
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Cagnie B, Danneels L, Van Tiggelen D, De Loose V, Cambier D. Individual and work related risk factors for neck pain among office workers: a cross sectional study. Eur Spine J 2006; 16:679-86. [PMID: 17160393 PMCID: PMC2213555 DOI: 10.1007/s00586-006-0269-7] [Citation(s) in RCA: 153] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2006] [Revised: 10/03/2006] [Accepted: 11/05/2006] [Indexed: 10/23/2022]
Abstract
Work related neck disorders are common problems in office workers, especially among those who are intensive computer users. It is generally agreed that the etiology of work related neck disorders is multidimensional which is associated with, and influenced by, a complex array of individual, physical and psychosocial factors. The aim of the current study was to estimate the one-year prevalence of neck pain among office workers and to determine which physical, psychological and individual factors are associated with these prevalences. Five hundred and twelve office workers were studied. Information was collected by an online questionnaire. Self-reported neck pain during the preceding 12 months was regarded as a dependent variable, whereas different individual, work-related physical and psychosocial factors were studied as independent variables. The 12 month prevalences of neck pain in office workers was 45.5%. Multivariate analysis revealed that women had an almost two-fold risk compared with men (OR = 1.95, 95% CI 1.22-3.13). The odds ratio for age indicates that persons older than 30 years have 2.61 times more chance of having neck pain than younger individuals (OR = 2.61, 95% CI 1.32-3.47). Being physically active decreases the likelihood of having neck pain (OR = 1.85, 95% CI 1.14-2.99). Significant associations were found between neck pain and often holding the neck in a forward bent posture for a prolonged time (OR = 2.01, 95% CI 1.20-3.38), often sitting for a prolonged time (OR = 2.06, 95% CI 1.17-3.62) and often making the same movements per minute (OR = 1.63, 95% CI 1.02-2.60). Mental tiredness at the end of the workday (OR = 2.05, 95% CI 1.29-3.26) and shortage of personnel (OR = 1.71, 95% CI 1.06-2.76) are significantly associated with neck pain. The results of this study indicate that physical and psychosocial work factors, as well as individual variables, are associated with the frequency of neck pain. These association patterns suggest also opportunities for intervention strategies in order to stimulate an ergonomic work place setting and increase a positive psychosocial work environment.
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Affiliation(s)
- B Cagnie
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University Hospital, De Pintelaan 185, 6K3, 9000 Ghent, Belgium.
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Van Tiggelen D, Witvrouw E, Roget P, Cambier D, Danneels L, Verdonk R. Effect of bracing on the prevention of anterior knee pain--a prospective randomized study. Knee Surg Sports Traumatol Arthrosc 2004; 12:434-9. [PMID: 15064923 DOI: 10.1007/s00167-003-0479-z] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2003] [Accepted: 10/16/2003] [Indexed: 11/25/2022]
Abstract
There have been numerous reports about the use of knee braces to prevent traumatic knee injuries. Despite the frequent use of braces, very few prospective studies have been performed to study the effect of knee braces for preventing anterior knee pain syndrome (AKPS). The purpose of this study was to assess the effectiveness of a dynamic patellofemoral brace (On-Track System, dj Orthopedics) in the prevention of AKPS. 167 military recruits without history of knee pain were randomized into two groups prior to the start of their 6-week basic military training (BMT) program. The first group (brace group) consisted of 54 recruits who wore the braces for all physical activities during these 6 weeks. 113 recruits served as a control group, and followed the same 6-week strenuous training program. Chi square statistics (Fisher exact test) were used to compare the number of AKPS patients in the brace group and in the non-brace group. Our results indicated that recruits in the brace group appeared to develop significantly less anterior knee pain compared to the recruits in the control group (p=0.020). Out of the 54 recruits in the brace group, ten (18.5%) developed anterior knee pain during this study. In the control group (n=113), 42 recruits (37%) developed anterior knee pain. We conclude that the result of the present study suggests that the use of a dynamic patellofemoral brace is an effective way to prevent the development of anterior knee pain in persons undergoing a strenuous training program.
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Affiliation(s)
- D Van Tiggelen
- Department of Physical Therapy, Centre for Physical Medicine and Rehabilitation, Queen Astrid Military Hospital, Bruynstraat 2, 1120 Brussels, Belgium
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Witvrouw E, Cambier D, Danneels L, Bellemans J, Werner S, Almqvist F, Verdonk R. The effect of exercise regimens on reflex response time of the vasti muscles in patients with anterior knee pain: a prospective randomized intervention study. Scand J Med Sci Sports 2003; 13:251-8. [PMID: 12859608 DOI: 10.1034/j.1600-0838.2003.00311.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The purpose of this prospective randomized intervention study was to evaluate the effect of two exercise protocols on reflex response time of vastus medialis obliquus (VMO), vastus lateralis (VL), in patients with anterior knee pain. Sixty patients were randomized into a 5-week treatment program, which consisted of only open kinetic chain tonification exercises (group I) (n = 30), or only closed kinetic chain tonification exercises (group II) (n = 30). Assessment of an aspect of neuromotor control was obtained by measuring the reflex response times of VMO and VL at the time of initial clinical examination, at the end of the exercise period (five weeks), and three months after the completion of the exercise period. At these evaluation occasions, the intensity and the number of times that the patients experienced anterior knee pain during daily life was recorded on a Visual Analog Scale (VAS). No alterations in reflex response times of VMO and VL were observed in either group. Changes of anterior knee pain over time were statistically significant in both groups. Only small and not statistically supported differences in anterior knee pain were found between the two groups. These results suggest that the reflex response times of the two vasti muscles can not be altered after a five week open or closed kinetic chain exercise program. In contrast, knee pain decreased significantly in both groups.
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Affiliation(s)
- E Witvrouw
- Faculty of Medicine, Department of Rehabilitation Sciences & Physical Therapy, Ghent University, Belgium.
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Witvrouw E, Lysens R, Bellemans J, Cambier D, Cools A, Danneels L, Bourgois J. Which factors predict outcome in the treatment program of anterior knee pain? Scand J Med Sci Sports 2002; 12:40-6. [PMID: 11985765 DOI: 10.1034/j.1600-0838.2002.120108.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The goal of this prospective study was to determine the outcome-predictive role of various parameters in the nonoperative treatment of chronic anterior knee pain patients. Thirty patients followed a five-week treatment program, which consisted out of only closed kinetic chain exercises. Prior to this treatment all subjects were evaluated on muscular characteristics, subjective symptoms, weight, sex, duration of symptoms and functional performance. A multiple stepwise regression analysis revealed that the reflex response time of m. vastus medialis obliquus (VMO) (P=0.041; 0.026), and the duration of symptoms (P=0.019; 0.045) were the only two parameters which were significantly associated with the outcome (evaluated by the Kujala score) at five weeks, and at three months. The shorter the duration of symptoms, or the faster the reflex response time of VMO prior to the treatment, the better the outcome after a closed kinetic chain exercise program. The statistical significance of these parameters in this study may be seen as an indication of the importance of these variables as predictors of the outcome of a closed kinetic chain strengthening program. Using this information, it seems clinically important to begin the treatment program before the anterior knee pain becomes more chronic and treatment results become less good.
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Affiliation(s)
- Erik Witvrouw
- Department of Physical Therapy, Faculty of Medicine, Ghent University, De Pintelaan 185, B-9000 Ghent, Belgium
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Abstract
Reference data for children using the Balance Master may be of clinical interest and use in the management of postural control in a wide range of conditions.
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Witvrouw E, Bellemans J, Lysens R, Danneels L, Cambier D. Intrinsic risk factors for the development of patellar tendinitis in an athletic population. A two-year prospective study. Am J Sports Med 2001; 29:190-5. [PMID: 11292044 DOI: 10.1177/03635465010290021201] [Citation(s) in RCA: 202] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Retrospective studies have suggested various factors that might cause a disposition to develop patellar tendinitis, but no prospective data exist to determine any relationships. The purpose of this study was to determine the intrinsic risk factors for the development of patellar tendinitis in an athletic population. Before the study, 138 male and female students of physical education were evaluated for anthropometric variables, leg alignment characteristics, and muscle tightness and strength parameters. During the 2-year study, 19 of the 138 students developed patellar tendinitis. In all cases the diagnosis was confirmed by the presence of a hypoechogenic nodular lesion in the proximal region of the patellar tendon. Univariate and stepwise discriminant function analyses were performed comparing the various measurements. These analyses revealed that the only significant determining factor was muscular flexibility, with the patellar tendinitis patients being less flexible in the quadriceps and hamstring muscles (P < 0.05). The results of this study demonstrate that lower flexibility of the quadriceps and hamstring muscles may contribute to the development of patellar tendinitis in an athletic population. Therefore, the prevention of this condition in athletes should be focused on screening for and treating poor quadriceps and hamstring muscle flexibility.
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Affiliation(s)
- E Witvrouw
- Department of Physical Therapy, Faculty of Medicine, University of Gent, Belgium
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Danneels LA, Vanderstraeten GG, Cambier DC, Witvrouw EE, De Cuyper HJ, Danneels L. CT imaging of trunk muscles in chronic low back pain patients and healthy control subjects. Eur Spine J 2000; 9:266-72. [PMID: 11261613 PMCID: PMC3611341 DOI: 10.1007/s005860000190] [Citation(s) in RCA: 444] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Increasing documentation on the size and appearance of muscles in the lumbar spine of low back pain (LBP) patients is available in the literature. However, a comparative study between unoperated chronic low back pain (CLBP) patients and matched (age, gender, physical activity, height and weight) healthy controls with regard to muscle cross-sectional area (CSA) and the amount of fat deposits at different levels has never been undertaken. Moreover, since a recent focus in the physiotherapy management of patients with LBP has been the specific training of the stabilizing muscles, there is a need for quantifying and qualifying the multifidus. A comparative study between unoperated CLBP patients and matched control subjects was conducted. Twenty-three healthy volunteers and 32 patients were studied. The muscle and fat CSAs were derived from standard computed tomography (CT) images at three different levels, using computerized image analysis techniques. The muscles studied were: the total paraspinal muscle mass, the isolated multifidus and the psoas. The results showed that only the CSA of the multifidus and only at the lowest level (lower end-plate of L4) was found to be statistically smaller in LBP patients. As regards amount of fat, in none of the three studied muscles was a significant difference found between the two groups. An aetiological relationship between atrophy of the multifidus and the occurrence of LBP can not be ruled out as a possible explanation. Alternatively, atrophy may be the consequence of LBP: after the onset of pain and possible long-loop inhibition of the multifidus a combination of reflex inhibition and substitution patterns of the trunk muscles may work together and could cause a selective atrophy of the multifidus. Since this muscle is considered important for lumbar segmental stability, the phenomenon of atrophy may be a reason for the high recurrence rate of LBP.
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Affiliation(s)
- L. A. Danneels
- />Department of Rehabilitation Sciences and Physical Therapy, Faculty of Medicine, Ghent University, Belgium e-mail: , Tel.: +32-9-2402635, Fax: +32-9-2403811, , , , BE
| | - G. G. Vanderstraeten
- />Department of Rehabilitation Sciences and Physical Therapy, Faculty of Medicine, Ghent University, Belgium e-mail: , Tel.: +32-9-2402635, Fax: +32-9-2403811, , , , BE
| | - Dirk C. Cambier
- />Department of Rehabilitation Sciences and Physical Therapy, Faculty of Medicine, Ghent University, Belgium e-mail: , Tel.: +32-9-2402635, Fax: +32-9-2403811, , , , BE
| | - Erik E. Witvrouw
- />Department of Rehabilitation Sciences and Physical Therapy, Faculty of Medicine, Ghent University, Belgium e-mail: , Tel.: +32-9-2402635, Fax: +32-9-2403811, , , , BE
| | - Hugo J. De Cuyper
- />Department of Physical Medicine and Rehabilitation, Hospital Jan Palfijn – Campus Gallifort, Antwerp, Belgium, , , , BE
| | - L. Danneels
- />University Hospital Ghent, Department of Rehabilitation Sciences and Physical Therapy, De Pintelaan 185, 1B3, 9000 Ghent, Belgium, , , , BE
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Ramasubramanian R, Murray H, Danneels L, Kirk DL, Symonds EM, Luxton MC, Downing JW. FETAL ELECTROCARDIOGRAPHIC CHANGES FOLLOWING LUMBAR EPIDURAL ANALGESIA IN LABOR. Anesth Analg 1987. [DOI: 10.1213/00000539-198702001-00145] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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