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  • CONFERENCE PAPER
    Ma S, Goh EL, Patel B, Jin A, Boughton O, Cobb J, Hansen U, Abel RLet al., 2016,

    Are the cracks starting to appear in bisphosphonate therapy?

    , British Orthopaedic Research Society (BORS) 2016 Conference, Publisher: British Editorial Society of Bone and Joint Surgery, Pages: 53-53, ISSN: 2049-4416
  • JOURNAL ARTICLE
    Stephen JM, Halewood C, Kittl C, Bollen SR, Williams A, Amis AAet al., 2016,

    Posteromedial Meniscocapsular Lesions Increase Tibiofemoral Joint Laxity With Anterior Cruciate Ligament Deficiency, and Their Repair Reduces Laxity

    , AMERICAN JOURNAL OF SPORTS MEDICINE, Vol: 44, Pages: 400-408, ISSN: 0363-5465
  • JOURNAL ARTICLE
    Stephen JM, Kader D, Lumpaopong P, Deehan DJ, Amis AAet al., 2016,

    The effect of femoral tunnel position and graft tension on patellar contact mechanics and kinematics after medial patellofemoral ligament reconstruction (vol 42, pg 364, 2014)

    , AMERICAN JOURNAL OF SPORTS MEDICINE, Vol: 44, Pages: NP11-NP11, ISSN: 0363-5465
  • JOURNAL ARTICLE
    Stephen JM, Kittl C, Williams A, Zaffagnini S, Muccioli GMM, Fink C, Amis AAet al., 2016,

    Effect of Medial Patellofemoral Ligament Reconstruction Method on Patellofemoral Contact Pressures and Kinematics

    , AMERICAN JOURNAL OF SPORTS MEDICINE, Vol: 44, Pages: 1186-1194, ISSN: 0363-5465
  • JOURNAL ARTICLE
    Stephen JM, Urquhart DWJ, van Arkel RJ, Ball S, Jaggard MKJ, Lee JC, Church JSet al., 2016,

    The use of sonographically guided botulinum toxin type A (Dysport) injections into the tensor fasciae latae for the treatment of lateral patellofemoral overload syndrome

    , American Journal of Sports Medicine, Vol: 44, Pages: 1195-1202, ISSN: 1552-3365

    Background: Pain in the anterior and lateral parts of the knee during exercise is a common clinical problem for which current management strategies are often unsuccessful.Purpose: To investigate the effect of an ultrasound-guided botulinum toxin (BT) injection into the tensor fasciae latae (TFL), followed by physical therapy, in patients classified with lateral patellofemoral overload syndrome (LPOS) who failed to respond to conventional treatment.Study Design: Case series; Level of evidence, 4.Methods: A total of 45 patients (mean ± SD age, 32.4 ± 8.6 years) who met the inclusion criteria of (1) activity-related anterolateral knee symptoms, (2) symptoms lasting longer than 3 months, (3) a pathological abnormality confirmed by magnetic resonance imaging, and (4) previous failed physical therapy received an ultrasound-guided injection of BT into the TFL followed by physical therapy. Patient-reported outcomes were collected at 5 intervals: before the injection; at 1, 4, and 12 weeks after the injection; and at a mean 5 years after the injection. In 42 patients, relative iliotibial band (ITB) length changes were assessed using the modified Ober test at the first 4 time points. A computational model was run to simulate the effect of TFL weakening on gluteus medius (GMed) activity. Statistical analysis was undertaken using 1-way analysis of variance and paired t tests with Bonferroni post hoc correction.Results: There was a significant improvement in Anterior Knee Pain Scale scores from before the injection (61 ± 15) to 1 (67 ± 15), 4 (70 ± 16), and 12 weeks (76 ± 16) after the injection and in 87% of patients (39/45 patients available for follow-up) at approximately 5 years (from 62.9 ± 15.4 to 87.0 ± 12.5) after the injection (all P < .010). A significant effect on the modified Ober test was identified as a result of the intervention, with an increase in leg drop found at 1 (3° ± 5°), 4 (4° &

  • JOURNAL ARTICLE
    Tempelaere C, Pierrart J, Lefèvre-Colau M-M, Vuillemin V, Cuénod C-A, Hansen U, Mir O, Skalli W, Gregory Tet al., 2016,

    Dynamic Three-Dimensional Shoulder Mri during Active Motion for Investigation of Rotator Cuff Diseases

    , PLOS ONE, Vol: 11, Pages: e0158563-e0158563
  • JOURNAL ARTICLE
    van Arkel RJ, Jeffers JRT, 2016,

    In vitro hip testing in the International Society of Biomechanics coordinate system

    , JOURNAL OF BIOMECHANICS, Vol: 49, Pages: 4154-4158, ISSN: 0021-9290
  • JOURNAL ARTICLE
    Aqil A, Sheikh HQ, Masjedi M, Jeffers J, Cobb Jet al., 2015,

    Birmingham Mid-Head Resection Periprosthetic Fracture.

    , Clin Orthop Surg, Vol: 7, Pages: 402-405

    Total hip arthroplasty in the young leads to difficult choices in implant selection. Until recently bone conserving options were not available for younger patients with deficient femoral head bone stock. The novel Birmingham Mid-Head Resection (BMHR) device offers the option of bone conserving arthroplasty in spite of deficient femoral head bone stock. Femoral neck fracture is a known complication of standard resurfacing arthroplasty and is the most common reason for revision. It is unknown whether this remains to be the case for the BMHR neck preserving implants. We report a case of a 57-year-old male, who sustained a periprosthetic fracture following surgery with a BMHR arthroplasty. This paper illustrates the first reported case of a BMHR periprosthetic fracture. The fracture pattern is spiral in nature and reaches to the subtrochanteric area. This fracture pattern is different from published cadaveric studies, and clinicians using this implant should be aware of this as revision is likely to require a distally fitting, rather than a metaphyseal fitting stem. We have illustrated the surgical technique to manage this rare complication.

  • CONFERENCE PAPER
    Geraldes D, Hansen U, Amis A, 2015,

    Parametric analysis of glenoid implant design

    , European Society of Biomechanics 2015
  • CONFERENCE PAPER
    Geraldes D, Hansen U, Amis A, 2015,

    Parametric analysis of glenoid implant design

    , International Society of Biomechanics 2015
  • CONFERENCE PAPER
    Geraldes D, Hansen U, Amis A, 2015,

    An automated framework for parametric analysis glenoid implant design

    , Bath Biomechanics Symposium 2015
  • JOURNAL ARTICLE
    Ghosh KM, Hunt N, Blain A, Athwal KK, Longstaff L, Amis AA, Rushton S, Deehan DJet al., 2015,

    Isolated popliteus tendon injury does not lead to abnormal laxity in posterior-stabilised total knee arthroplasty

    , KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, Vol: 23, Pages: 1763-1769, ISSN: 0942-2056
  • CONFERENCE PAPER
    Halewood C, 2015,

    Anteroposterior laxity after bicruciate-retaining total knee replacement is closer to the intact knee than conventional ACL-resecting TKR: a biomechanical cadaver study

    , BASK
  • JOURNAL ARTICLE
    Halewood C, Amis AA, 2015,

    Clinically relevant biomechanics of the knee capsule and ligaments

    , KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, Vol: 23, Pages: 2789-2796, ISSN: 0942-2056
  • BOOK CHAPTER
    Halewood C, Lumpaopong P, Stephen JM, Amis AAet al., 2015,

    Functional Biomechanics with Cadaver Specimens

    , Experimental Research Methods in Orthopedics and Trauma, Editors: Simpson, Augat, Publisher: Thieme Medical Publishers, ISBN: 9783131731111

    This book provides a comprehensive summary of all current research methodologies for translational and pre-clinical studies in biomechanics and orthopedic trauma surgery.

  • BOOK CHAPTER
    Halewood C, Masouros S, Amis AA, 2015,

    Structure and function of the menisci

    , Meniscal Allograft Transplantation. A comprehensive review., Editors: Getgood, Spalding, Cole, Gersoff, Verdonk, ISBN: 978-0-9558873-5-2
  • JOURNAL ARTICLE
    Halewood C, Traynor A, Bellemans J, Victor J, Amis AAet al., 2015,

    Anteroposterior Laxity After Bicruciate-Retaining Total Knee Arthroplasty Is Closer to the Native Knee Than ACL-Resecting TKA: A Biomechanical Cadaver Study

    , JOURNAL OF ARTHROPLASTY, Vol: 30, Pages: 2315-2319, ISSN: 0883-5403
  • JOURNAL ARTICLE
    Hansen UN, sukjamsri, amis, 2015,

    Digital volumecorrelationandmicro-CT:Anin-vitrotechniquefor measuringfull-field interfacemicromotionaroundpolyethyleneimplants

    , Journal of Biomechanics, ISSN: 1873-2380
  • JOURNAL ARTICLE
    Kawaguchi Y, Kondo E, Takeda R, Akita K, Yasuda K, Amis AAet al., 2015,

    The Role of Fibers in the Femoral Attachment of the Anterior Cruciate Ligament in Resisting Tibial Displacement

    , ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, Vol: 31, Pages: 435-444, ISSN: 0749-8063
  • BOOK CHAPTER
    Keller R, Amis AA, 2015,

    Anatomy and Biomechanics of the Natural Knee and After TKR

    , The Unhappy Total Knee Replacement, Editors: Hirschmann, Becker, Publisher: Springer, Pages: 3-15, ISBN: 978-3-319-08098-7

    This book addresses the need for improved diagnostic and treatment guidelines for patients in whom total knee arthroplasty (TKA) has had an unsatisfactory outcome. It opens by discussing the basics of TKA and the various causes of failure and pain. Diagnostic aspects are considered in detail, with attention to advances in clinical investigation, laboratory analysis and in particular, imaging techniques. In addition, helpful state of the art diagnostic algorithms are presented. Specific pathology-related treatment options, including conservative approaches and salvage and revision TKA strategies, are then explained, with identification of pitfalls and key points. A series of illustrative cases cover clinical scenarios frequently encountered in daily clinical practice. The evidence-based, clinically focused guidance provided in this book, written by internationally renowned experts, will assist surgeons in achieving the most effective management of these challenging cases.

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