Accuracy of a contour-based biplane fluoroscopy technique for tracking knee joint kinematics of different speedsJ Erik Giphart
Department of Biomedical Engineering, Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, Colorado 81657, USA
J Biomech 45:2935-8. 2012
..No other differences were found. The contour-based technique demonstrated sub-millimeter and sub-degree accuracy, indicating it is a highly accurate tool for measuring complex three dimensional knee movements of any intensity...
- The long head of the biceps tendon has minimal effect on in vivo glenohumeral kinematics: a biplane fluoroscopy study
J Erik Giphart
Steadman Philippon Research Institute, Vail, CO 81657, USA
Am J Sports Med 40:202-12. 2012
..The purpose of this study was to investigate potential alterations in glenohumeral kinematics after LHB tenodesis during 3 dynamic in vivo motions using a biplane fluoroscopy system...
- Measurements of tibiofemoral kinematics during soft and stiff drop landings using biplane fluoroscopy
Casey A Myers
Biomechanics Research Department, Steadman Philippon Research Institute, Vail, Colorado 81657, USA
Am J Sports Med 39:1714-22. 2011
..Current anterior cruciate ligament injury prevention programs are instructing athletes to land softly to avoid excessive strain on the anterior cruciate ligament...
- In vivo tibiofemoral kinematics during 4 functional tasks of increasing demand using biplane fluoroscopy
Casey A Myers
Biomechanics Research Laboratory, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 40:170-8. 2012
..However, it is unknown how closely the ACL and other passive and active structures of the knee constrain translations and rotations across a set of functional activities of increasing demand on the quadriceps...
- Biomechanical evaluation of shear force vectors leading to injury of the biceps reflection pulley: a biplane fluoroscopy study on cadaveric shoulders
Sepp Braun
Steadman Hawkins Research Foundation, Vail, Colorado 81657, USA
Am J Sports Med 38:1015-24. 2010
..However, there is controversy on the pathomechanism of injury to the BRP. The angular orientation of the LHB relative to its origin and distal course changes with joint positions and may place the BRP at risk for injury...
- Effect of plane of arm elevation on glenohumeral kinematics: a normative biplane fluoroscopy study
J Erik Giphart
Department of Biomedical Engineering, Steadman Philippon Research Institute, 181 West Meadow Drive, Suite 1000, Vail, CO 81657
J Bone Joint Surg Am 95:238-45. 2013
..The purpose of this study was to measure the three-dimensional glenohumeral translations and rotations during arm elevation in healthy subjects...
- Anatomy, function, injuries, and treatment of the long head of the biceps brachii tendon
Florian Elser
Steadman Philippon Research Institute, Vail, Colorado 81657, USA
Arthroscopy 27:581-92. 2011
..The purpose of this article is to offer an up-to-date review of the anatomy and biomechanical properties of the LHB and to provide an evidence-based approach to current treatment strategies for LHB disorders...
- Recruitment and activity of the pectineus and piriformis muscles during hip rehabilitation exercises: an electromyography study
J Erik Giphart
Department of Biomedical Engineering, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 40:1654-63. 2012
..The recruitment and activations of these muscles during hip rehabilitation exercises have not been detailed...
- The effects of arm elevation on the 3-dimensional acromiohumeral distance: a biplane fluoroscopy study with normative data
J Erik Giphart
Biomechanics Research Department, Steadman Philippon Research Institute, Vail, CO 81657, USA
J Shoulder Elbow Surg 21:1593-600. 2012
..We sought to measure the in vivo minimum distance and location of the minimum distance points on the acromion and proximal humerus during arm elevation...
- Role of the acetabular labrum and the iliofemoral ligament in hip stability: an in vitro biplane fluoroscopy study
Casey A Myers
Biomechanics Research Department, Steadman Philippon Research Institute, Vail, Colorado, USA
Am J Sports Med 39:85S-91S. 2011
..Recent biomechanical reports have described the function of the acetabular labrum and iliofemoral ligament in providing hip stability, but the relative stability provided by each structure has not been well described...
- Knee kinematic profiles during drop landings: a biplane fluoroscopy study
Michael R Torry
Biomechanics Research Laboratory, Steadman Philippon Research Institute, Vail, CO, USA
Med Sci Sports Exerc 43:533-41. 2011
..The six degrees of freedom knee motion during dynamic activities is not well understood...
- Defining a safety margin for labral suture anchor insertion using the acetabular rim angle
Pisit Lertwanich
Steadman Philippon Research Institute, 181 W Meadow Dr, Suite 1000, Vail, CO 81657, USA
Am J Sports Med 39:111S-6S. 2011
..The acetabular rim anatomy is not uniform, and the safety margin for inserting suture anchors is unknown. The acetabular rim angle is an anatomic measurement that is indicative of the safety margin for inserting suture anchors...
- Rehabilitation exercise progression for the gluteus medius muscle with consideration for iliopsoas tendinitis: an in vivo electromyography study
Marc J Philippon
Steadman Philippon Research Institute, Vail, Colorado 81657, USA
Am J Sports Med 39:1777-85. 2011
..It is common for hip arthroscopy patients to demonstrate significant gluteus medius muscle weakness and concurrent iliopsoas tendinitis. Restoration of gluteus medius muscle function is essential for normal hip function...
- Femoroacetabular impingement in a professional soccer player
Robert E Boykin
The Steadman Clinic, 181 West Meadow Drive, Suite 400, Vail, CO, 81657, USA
Knee Surg Sports Traumatol Arthrosc 21:1203-11. 2013
..Level of evidence V...
- Contributions of the individual muscles of the shoulder to glenohumeral joint stability during abduction
Takashi Yanagawa
Steadman Hawkins Research Foundation, Vail, CO 81657, USA
J Biomech Eng 130:021024. 2008
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