المؤلفون: Natarajan T; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA., Singh-Gryzbon S; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA.; Department of Chemical Engineering, University of the West Indies, St.Augustine, Trinidad and Tobago., Chen H; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA., Sadri V; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA.; Abbott Laboratories, 387 Technology Circle, Atlanta, GA, 30313-2412, USA., Ruile P; Department of Cardiology and Angiology, Medical Center - University of Freiburg, and Faculty of Medicine, University of Freiburg, Freiburg, Germany., Neumann FJ; Department of Cardiology and Angiology, Medical Center - University of Freiburg, and Faculty of Medicine, University of Freiburg, Freiburg, Germany., Yoganathan AP; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA., Dasi LP; Department of Biomedical Engineering, Georgia Institute of Technology, 387 Technology Circle, Atlanta, GA, 30313-2412, USA. lakshmi.dasi@gatech.edu.

المصدر: Cardiovascular engineering and technology [Cardiovasc Eng Technol] 2024 Aug; Vol. 15 (4), pp. 463-480. Date of Electronic Publication: 2024 Apr 23.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 101531846 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-4098 (Electronic) Linking ISSN: 1869408X NLM ISO Abbreviation: Cardiovasc Eng Technol Subsets: MEDLINE

مواضيع طبية MeSH: Aorta, Thoracic*/anatomy & histology , Aorta, Thoracic*/physiology , Aorta, Thoracic*/diagnostic imaging , Models, Cardiovascular* , Hemodynamics* , Aortic Valve*/anatomy & histology , Aortic Valve*/diagnostic imaging , Patient-Specific Modeling*, Humans ; Hydrodynamics ; Transcatheter Aortic Valve Replacement ; Computer Simulation ; Blood Flow Velocity ; Regional Blood Flow ; Stress, Mechanical

المؤلفون: Malatos S; Laboratory for Vascular Simulations, Institute of Vascular Diseases, Larissa, Greece., Fazzini L; Department of Mechanical and Aerospace Engineering, Biomedical Engineering, Politecnico di Torino, Torino, Italy., Raptis A; Laboratory for Vascular Simulations, Institute of Vascular Diseases, Larissa, Greece., Nana P; Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece. Electronic address: petr.nana7@hotmail.com., Kouvelos G; Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece., Tasso P; Department of Mechanical and Aerospace Engineering, Biomedical Engineering, Politecnico di Torino, Torino, Italy., Gallo D; Department of Mechanical and Aerospace Engineering, Biomedical Engineering, Politecnico di Torino, Torino, Italy., Morbiducci U; Department of Mechanical and Aerospace Engineering, Biomedical Engineering, Politecnico di Torino, Torino, Italy., Xenos MA; Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece; Department of Mathematics, Section of Applied and Computational Mathematics, University of Ioannina, Ioannina, Greece., Giannoukas A; Laboratory for Vascular Simulations, Institute of Vascular Diseases, Larissa, Greece; Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece., Matsagkas M; Laboratory for Vascular Simulations, Institute of Vascular Diseases, Larissa, Greece; Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece.

المصدر: Annals of vascular surgery [Ann Vasc Surg] 2024 Jul; Vol. 104, pp. 237-247. Date of Electronic Publication: 2024 Mar 16.

نوع المنشور: Journal Article; Comparative Study

بيانات الدورية: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 8703941 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1615-5947 (Electronic) Linking ISSN: 08905096 NLM ISO Abbreviation: Ann Vasc Surg Subsets: MEDLINE

مواضيع طبية MeSH: Endovascular Procedures*/instrumentation , Endovascular Procedures*/adverse effects , Hemodynamics* , Blood Vessel Prosthesis Implantation*/instrumentation , Blood Vessel Prosthesis Implantation*/adverse effects , Models, Cardiovascular* , Blood Vessel Prosthesis* , Prosthesis Design* , Computed Tomography Angiography* , Patient-Specific Modeling* , Stress, Mechanical*, Humans ; Treatment Outcome ; Blood Flow Velocity ; Time Factors ; Aortography ; Regional Blood Flow ; Aortic Aneurysm, Abdominal/surgery ; Aortic Aneurysm, Abdominal/physiopathology ; Aortic Aneurysm, Abdominal/diagnostic imaging ; Aged ; Male ; Stents ; Hydrodynamics ; Endovascular Aneurysm Repair

المؤلفون: Girardin L; Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.; Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, 43-45 Foley Street, London, W1W 7TS, UK., Stokes C; Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.; Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, 43-45 Foley Street, London, W1W 7TS, UK., Thet MS; Department of Cardiothoracic Surgery, St Bartholomew's Hospital, West Smithfield, London, EC1A 7BE, UK., Oo AY; Department of Cardiothoracic Surgery, St Bartholomew's Hospital, West Smithfield, London, EC1A 7BE, UK., Balabani S; Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK.; Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, 43-45 Foley Street, London, W1W 7TS, UK., Díaz-Zuccarini V; Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK. v.diaz@ucl.ac.uk.; Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, 43-45 Foley Street, London, W1W 7TS, UK. v.diaz@ucl.ac.uk.

المصدر: Cardiovascular engineering and technology [Cardiovasc Eng Technol] 2024 Jun; Vol. 15 (3), pp. 290-304. Date of Electronic Publication: 2024 Mar 04.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 101531846 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-4098 (Electronic) Linking ISSN: 1869408X NLM ISO Abbreviation: Cardiovasc Eng Technol Subsets: MEDLINE

مواضيع طبية MeSH: Aortic Dissection*/surgery , Aortic Dissection*/physiopathology , Aortic Dissection*/diagnostic imaging , Blood Vessel Prosthesis Implantation*/instrumentation , Blood Vessel Prosthesis Implantation*/adverse effects , Models, Cardiovascular* , Patient-Specific Modeling* , Hemodynamics* , Blood Vessel Prosthesis* , Vascular Stiffness* , Computed Tomography Angiography*, Humans ; Prosthesis Design ; Treatment Outcome ; Magnetic Resonance Imaging, Cine ; Aortography ; Male ; Arterial Pressure ; Middle Aged ; Aortic Aneurysm/surgery ; Aortic Aneurysm/diagnostic imaging ; Aortic Aneurysm/physiopathology ; Stress, Mechanical ; Polyethylene Terephthalates ; Predictive Value of Tests

المؤلفون: Colacchio EC; Vascular and Endovascular Surgery Section, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy., Berton M; Vascular and Endovascular Surgery Section, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy., Volpe A; Radiology Unit, Padua University Hospital, Padua, Italy., Guariento A; Pediatric and Congenital Cardiac Surgery Unit, Department of Cardiac, Thoracic, Vascular Sciences, and Public Health, University of Padua, Padua, Italy., Dall'Antonia A; Vascular and Endovascular Surgery Section, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy., Antonello M; Vascular and Endovascular Surgery Section, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy.

المصدر: Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists [J Endovasc Ther] 2024 Jun; Vol. 31 (3), pp. 474-478. Date of Electronic Publication: 2022 Sep 21.

نوع المنشور: Case Reports; Journal Article

بيانات الدورية: Publisher: Sage Publications Country of Publication: United States NLM ID: 100896915 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1545-1550 (Electronic) Linking ISSN: 15266028 NLM ISO Abbreviation: J Endovasc Ther Subsets: MEDLINE

مواضيع طبية MeSH: Printing, Three-Dimensional* , Endoleak*/etiology , Endoleak*/diagnostic imaging , Endoleak*/therapy , Endoleak*/surgery , Embolization, Therapeutic* , Endovascular Procedures*/instrumentation , Blood Vessel Prosthesis Implantation*/instrumentation , Aortic Aneurysm, Abdominal*/surgery , Aortic Aneurysm, Abdominal*/diagnostic imaging , Patient-Specific Modeling* , Models, Cardiovascular* , Computed Tomography Angiography*, Humans ; Aged, 80 and over ; Treatment Outcome ; Male ; Aortography ; Models, Anatomic ; Blood Vessel Prosthesis

المؤلفون: Donahue CL; Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minnesota, USA., Westman CL; Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minnesota, USA., Faanes BL; Division of Pediatric Cardiology, Department of Pediatrics, University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota, USA., Qureshi AM; Department of Pediatrics, The Lillei Frank Abercombie Section of Pediatric Cardiology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas, USA., Barocas VH; Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minnesota, USA., Aggarwal V; Division of Pediatric Cardiology, Department of Pediatrics, University of Minnesota Masonic Children's Hospital, Minneapolis, Minnesota, USA.

المصدر: Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions [Catheter Cardiovasc Interv] 2024 May; Vol. 103 (6), pp. 924-933. Date of Electronic Publication: 2024 Apr 10.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Wiley-Liss Country of Publication: United States NLM ID: 100884139 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1522-726X (Electronic) Linking ISSN: 15221946 NLM ISO Abbreviation: Catheter Cardiovasc Interv Subsets: MEDLINE

مواضيع طبية MeSH: Pulmonary Valve*/physiopathology , Pulmonary Valve*/surgery , Pulmonary Valve*/diagnostic imaging , Heart Valve Prosthesis Implantation*/instrumentation , Heart Valve Prosthesis Implantation*/adverse effects , Finite Element Analysis* , Patient-Specific Modeling* , Heart Valve Prosthesis* , Models, Cardiovascular* , Prosthesis Design* , Cardiac Catheterization*/adverse effects , Cardiac Catheterization*/instrumentation, Humans ; Risk Assessment ; Adolescent ; Treatment Outcome ; Risk Factors ; Male ; Child ; Retrospective Studies ; Female ; Young Adult ; Predictive Value of Tests ; Hemodynamics ; Stents ; Pulmonary Valve Insufficiency/physiopathology ; Pulmonary Valve Insufficiency/surgery ; Pulmonary Valve Insufficiency/diagnostic imaging ; Pulmonary Valve Insufficiency/etiology ; Ventricular Outflow Obstruction/physiopathology ; Ventricular Outflow Obstruction/etiology ; Ventricular Outflow Obstruction/diagnostic imaging ; Clinical Decision-Making ; Adult

المؤلفون: Aslan S; Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA. saslan2@jhu.edu., Liu X; Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA.; Department of Mechanical Engineering, Texas Tech University, Lubbock, TX, USA., Wu Q; Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA., Mass P; Division of Cardiology, Children's National Hospital, Washington, DC, USA., Loke YH; Division of Cardiology, Children's National Hospital, Washington, DC, USA., Johnson J; Nanofiber Solutions, Dublin, OH, USA., Huddle J; Nanofiber Solutions, Dublin, OH, USA., Olivieri L; Division of Cardiology, Children's National Hospital, Washington, DC, USA., Hibino N; Section of Cardiac Surgery, Department of Surgery, The University of Chicago Medicine, Chicago, IL, USA., Krieger A; Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA.

المصدر: Cardiovascular engineering and technology [Cardiovasc Eng Technol] 2024 Apr; Vol. 15 (2), pp. 123-136. Date of Electronic Publication: 2023 Nov 20.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 101531846 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-4098 (Electronic) Linking ISSN: 1869408X NLM ISO Abbreviation: Cardiovasc Eng Technol Subsets: MEDLINE

مواضيع طبية MeSH: Patient-Specific Modeling* , Hemodynamics* , Blood Vessel Prosthesis* , Aortic Coarctation*/surgery , Aortic Coarctation*/physiopathology , Aortic Coarctation*/diagnostic imaging , Models, Cardiovascular* , Blood Vessel Prosthesis Implantation*/instrumentation , Prosthesis Design*, Humans ; Treatment Outcome ; Male ; Computed Tomography Angiography ; Aorta, Thoracic/surgery ; Aorta, Thoracic/physiopathology ; Aorta, Thoracic/diagnostic imaging ; Female ; Hydrodynamics ; Aortography ; Clinical Decision-Making ; Surgery, Computer-Assisted

المؤلفون: Li S; Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.; National Clinical Research Center for Geriatric Disorders, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China.; Research Center for Cerebrovascular Diseases, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China.; Xiangya Hospital, Hypothalamic-Pituitary Research Center, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China.; Research Center for Cerebrovascular Disease, Central South University, 87 Xiangya Road, 410008, changsha, China., Huang Z; Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.; National Clinical Research Center for Geriatric Disorders, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China.; Research Center for Cerebrovascular Diseases, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China.; Xiangya Hospital, Hypothalamic-Pituitary Research Center, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China., Chen H; Department of Neurosurgery, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), Changde, China. 936483206@qq.com., Chen F; Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China. xyswcfh@csu.edu.cn.; National Clinical Research Center for Geriatric Disorders, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China. xyswcfh@csu.edu.cn.; Research Center for Cerebrovascular Diseases, Central South University, 87 Xiangya Street, Changsha, 410008, Hunan, China. xyswcfh@csu.edu.cn.; Xiangya Hospital, Hypothalamic-Pituitary Research Center, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, China. xyswcfh@csu.edu.cn.

المصدر: Cardiovascular engineering and technology [Cardiovasc Eng Technol] 2024 Apr; Vol. 15 (2), pp. 159-170. Date of Electronic Publication: 2023 Dec 13.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 101531846 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-4098 (Electronic) Linking ISSN: 1869408X NLM ISO Abbreviation: Cardiovasc Eng Technol Subsets: MEDLINE

مواضيع طبية MeSH: Intracranial Aneurysm*/surgery , Intracranial Aneurysm*/physiopathology , Intracranial Aneurysm*/diagnostic imaging , Hemodynamics* , Models, Cardiovascular* , Cerebrovascular Circulation* , Patient-Specific Modeling*, Humans ; Retrospective Studies ; Middle Aged ; Male ; Female ; Treatment Outcome ; Aged ; Risk Factors ; Adult ; Risk Assessment ; Postoperative Hemorrhage/etiology ; Postoperative Hemorrhage/physiopathology ; Cerebral Revascularization/adverse effects ; Numerical Analysis, Computer-Assisted ; Neurosurgical Procedures/adverse effects

المؤلفون: Xie Y; Department of Cardiology, The First Affiliated Hospital of Ningbo University, Ningbo, 315020, China., Zhu Y; Department of Vascular Surgery, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China., Shi Y; College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China., Zhao Y; College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China., Zhang H; Department of Vascular Surgery, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China., Li F; College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan, 030024, China. lifen01@tyut.edu.cn., Song H; College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, 79 West Yingze Street, Taiyuan, 030024, China., Chen L; College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, 030024, China., Guo W; Department of Vascular Surgery, First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Beijing, 100853, China. guoweiplagh@sina.com.

المصدر: Cardiovascular engineering and technology [Cardiovasc Eng Technol] 2024 Apr; Vol. 15 (2), pp. 137-146. Date of Electronic Publication: 2023 Nov 20.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 101531846 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1869-4098 (Electronic) Linking ISSN: 1869408X NLM ISO Abbreviation: Cardiovasc Eng Technol Subsets: MEDLINE

مواضيع طبية MeSH: Aortic Aneurysm, Abdominal*/surgery , Aortic Aneurysm, Abdominal*/physiopathology , Aortic Aneurysm, Abdominal*/diagnostic imaging , Stents* , Endovascular Procedures*/instrumentation , Hemodynamics* , Models, Cardiovascular* , Prosthesis Design* , Blood Vessel Prosthesis Implantation*/instrumentation , Blood Vessel Prosthesis* , Aorta, Abdominal*/physiopathology , Aorta, Abdominal*/surgery , Aorta, Abdominal*/diagnostic imaging , Computed Tomography Angiography* , Stress, Mechanical* , Patient-Specific Modeling*, Humans ; Regional Blood Flow ; Aortography ; Blood Flow Velocity ; Numerical Analysis, Computer-Assisted ; Treatment Outcome

المؤلفون: Bolem S; Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India., Valeti C; Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India., Thankom Philip N; Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India., Sudhir BJ; Department of Neurosurgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, 695011, India. Electronic address: bjs@sctimst.ac.in., Patnaik BSV; Department of Applied Mechanics and Biomedical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India. Electronic address: bsvp@iitm.ac.in.

المصدر: Medical engineering & physics [Med Eng Phys] 2024 Aug; Vol. 130, pp. 104211. Date of Electronic Publication: 2024 Jul 20.

نوع المنشور: Journal Article

بيانات الدورية: Publisher: Butterworth-Heinemann Country of Publication: England NLM ID: 9422753 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-4030 (Electronic) Linking ISSN: 13504533 NLM ISO Abbreviation: Med Eng Phys Subsets: MEDLINE

مواضيع طبية MeSH: Intracranial Aneurysm*/diagnostic imaging , Intracranial Aneurysm*/physiopathology, Humans ; Tomography, X-Ray Computed ; Patient-Specific Modeling ; Arteries/diagnostic imaging ; Arteries/physiopathology ; Arteries/pathology ; Hemodynamics ; Stress, Mechanical ; Imaging, Three-Dimensional ; Models, Cardiovascular

المؤلفون: Fernandez J; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand.; Department of Engineering Science and Biomedical Engineering, University of Auckland, Auckland,New Zealand., Shim V; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Schneider M; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Choisne J; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Handsfield G; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Yeung T; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Zhang J; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Hunter P; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand., Besier T; Auckland Bioengineering Institute, University of Auckland, Auckland,New Zealand.; Department of Engineering Science and Biomedical Engineering, University of Auckland, Auckland,New Zealand.

المصدر: Journal of applied biomechanics [J Appl Biomech] 2023 Aug 22; Vol. 39 (5), pp. 304-317. Date of Electronic Publication: 2023 Aug 22 (Print Publication: 2023).

نوع المنشور: Journal Article; Review

بيانات الدورية: Publisher: Human Kinetics Publishers Country of Publication: United States NLM ID: 9315240 Publication Model: Electronic-Print Cited Medium: Internet ISSN: 1543-2688 (Electronic) Linking ISSN: 10658483 NLM ISO Abbreviation: J Appl Biomech Subsets: MEDLINE

مواضيع طبية MeSH: Patient-Specific Modeling* , Achilles Tendon*, Humans ; Child ; Muscle, Skeletal/physiology ; Knee Joint ; Models, Statistical