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  • Journal article
    Brassart N, Sanghavi S, Hansen UN, Emery RJ, Amis AAet al., 2008,

    Loss of rotator cuff tendon-to-bone interface pressure after reattachment using a suture anchor

    , JOURNAL OF SHOULDER AND ELBOW SURGERY, Vol: 17, Pages: 784-789, ISSN: 1058-2746
  • Journal article
    Amadi HO, Banerjee S, Hansen UN, Wallace AL, Bull AMJet al., 2008,

    A optimised method for quantifying glenoid orientation

    , International Journal of Shoulder Surgery, Vol: 2, Pages: 25-29, ISSN: 0973-6042

    A robust quantification method is essential for inter-subject glenoid comparison and planning of total shoulder arthroplasty. This study compared various scapular and glenoid axes with each other in order to optimally define the most appropriate method of quantifying glenoid version and inclination.Six glenoid and eight scapular axes were defined and quantified from identifiable landmarks of twenty-one scapular image scans. Pathology independency and insensitivity of each axis to inter-subject morphological variation within its region was tested. Glenoid version and inclination were calculated using the best axes from the two regions.The best glenoid axis was the normal to a least-square plane fit on the glenoid rim, directed approximately medio-laterally. The best scapular axis was the normal to a plane formed by the spine root and lateral border ridge. Glenoid inclination was 15.7° ± 5.1° superiorly and version was 4.9° ± 6.1°, retroversion.The choice of axes in the present technique makes it insensitive to pathology and scapular morphological variabilities. Its application would effectively improve inter-subject glenoid version comparison, surgical planning and design of prostheses for shoulder arthroplasty.
  • Journal article
    Merican AM, Amis AA, 2008,

    Anatomy of the lateral retinaculum of the knee

    , JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME, Vol: 90B, Pages: 527-534, ISSN: 0301-620X
  • Journal article
    Iranpour F, Merican AM, Amis AA, Cobb JPet al., 2008,

    The width:thickness ratio of the patella: an aid in knee arthroplasty.

    , Clin Orthop Relat Res., Vol: 466(5), Pages: 1198-1203

    Establishing the appropriate size of the patellar implant-bone composite is one of the important steps ensuring functional success in arthroplasty. Conventionally, the patella is measured intraoperatively and its thickness is used to guide the depth of resection. However, in a diseased joint, this may not reflect the native patellar thickness. We studied the relationship between the patellar thickness and various patellar dimensions on three-dimensional reconstructed computed tomographic scans from 37 normal adult knees. Patellar width correlated with thickness. The average patellar width:thickness ratio was 2.0 (standard deviation, 0.106; 95% confidence interval, 1.96-2.03). The cartilage thickness was on average 2.5 mm (standard deviation, 1.0). The width:thickness ratio was similar in 79 digital radiographs taken before TKA of knees without patellofemoral disease (mean, 2.1; standard deviation, 0.28). When compared with the two other methods for calculating patellar resection described in the literature, the width:thickness ratio was more reliable. The width:thickness ratio appears anatomically constant and may be a useful guide for estimating premorbid patellar thickness.
  • Journal article
    Apsingi S, Nguyen T, Bull AMJ, Unwin A, Deehan DJ, Amis AAet al., 2008,

    Control of laxity in knees with combined posterior cruciate ligament and posterolateral corner deficiency - Comparison of single-bundle versus double-bundle posterior cruciate ligament reconstruction combined with modified Larson posterolateral corner reconstruction

    , AMERICAN JOURNAL OF SPORTS MEDICINE, Vol: 36, Pages: 487-494, ISSN: 0363-5465
  • Journal article
    U Hansen, P Zioupos, R Simpson, JD Curreyet al., 2008,

    The Effect of Strain Rate on the Mechanical Properties of Human Cortical Bone

    , Journal of Biomechanical Engineering
  • Journal article
    Apsingi S, Nguyen T, Bull AMJ, Unwin A, Deehan DJ, Amis AAet al., 2008,

    The role of PCL reconstruction in knees with combined PCL and posterolateral corner deficiency

    , KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, Vol: 16, Pages: 104-111, ISSN: 0942-2056
  • Journal article
    Al-Hadithi M, Hughes SPF, Amis AA, 2008,

    The effect of different insertion points on the security of pedicle screw fixation in bovine vertebrae

    , SPINE, Vol: 33, Pages: 169-172, ISSN: 0362-2436
  • Journal article
    Smith CD, Masouros SD, Hill AM, Wallace AL, Amis AA, Bull AMJet al., 2008,

    Tensile properties of the human glenoid labrum

    , JOURNAL OF ANATOMY, Vol: 212, Pages: 49-54, ISSN: 0021-8782
  • Journal article
    Edwards A, Bull AMJ, Amis AA, 2008,

    The attachments of the anteromedial and posterolateral fibre bundles of the anterior cruciate ligament - Part 2: Femoral attachment

    , KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, Vol: 16, Pages: 29-36, ISSN: 0942-2056
  • Journal article
    Chen Q-Z, Bismarck A, Hansen U, Junaid S, Tran MQ, Harding SE, Ali NN, Boccaccini ARet al., 2008,

    Characterisation of a soft elastomer poly(glycerol sebacate) designed to match the mechanical properties of myocardial tissue

    , BIOMATERIALS, Vol: 29, Pages: 47-57, ISSN: 0142-9612
  • Journal article
    Amis AA, Oguz C, Bull AMJ, 2008,

    The effect of trochleoplasty on patellar stability and kinematics - a biomechanical study in-vitro

    , J. Bone Joint Surg - Br, Vol: 90-B, Pages: 864-869
  • Journal article
    Edwards A, Bull AM, Amis AA, 2007,

    The attachments of the anteromedial and posterolateral fibre bundles of the anterior cruciate ligament: Part 1: tibial attachment.

    , Knee Surg Sports Traumatol Arthrosc, Vol: 15, Pages: 1414-1421, ISSN: 0942-2056

    The tibial attachments of the individual anteromedial (AM) and posterolateral (PL) fibre bundles and the entire attachment of the anterior cruciate ligament are described, relating them to consistent bony landmarks; 55 fresh-frozen specimens were measured. The fibre bundles were separated and excised at their attachments and their peripheries marked with a pen. High-resolution scaled digital photographs were taken of each dissected specimen and transferred onto a computer for analysis. A wide variation was found when using the posterior tibial axis, the anterior tibial surface and the medial tibial spine as reference points. The most consistent measurements used the tibial interspinous "over-the-back" ridge as a datum. The attachments of the PL and AM bundles were centred 10 +/- 1 mm (mean +/- SD) and 17 +/- 2 mm anterior to the over-the-back ridge. They were 4 +/- 1 and 5 +/- 1 mm, respectively, lateral to the medial tibial spine border. The positions of 6 mm circles in the posterior-medial limits of the fibre bundles (representing tunnels in a double-tunnel reconstruction) were measured. The overall dimensions of the tibial plateaux correlated significantly with many measurements. The results from this study could be used to guide ACL reconstruction techniques.
  • Journal article
    Abdul-Kadir MR, Hansen UN, Klabunde R, Lucas D, Amis AAet al., 2008,

    Finite element modelling of primary hip stem stability: The effect of interference fit

    , Journal of Biomechanics
  • Journal article
    Khan RT, Lie DT, Cashman PM, Thomas RW, Amis AAet al., 2007,

    Measurement of laxity in the anterior cruciate ligament-deficient knee:: a comparison of three different methods <i>in vitro</i>

    , PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART H-JOURNAL OF ENGINEERING IN MEDICINE, Vol: 221, Pages: 653-663, ISSN: 0954-4119
  • Conference paper
    Chena QZ, Wright JS, Harding SE, Junaid S, Hansen U, Jawad H, Boccaccini AR, Ali NNet al., 2007,

    Heart tissue engineering using a novel elastomer and ES-derived cardiac cells

    , Conference of the Tissue-Engineering-and-Regenerative-Medicine-International-Society (TERMIS-EU), Publisher: MARY ANN LIEBERT INC, Pages: 1703-1703, ISSN: 1076-3279
  • Journal article
    A Hart, T Seepaul, R Hewitt, S Ang, U Hansen, A Amiset al., 2007,

    The palmar Locking Compression Plate is biomechanically comparable to the dorsal Pi plate for dorsally comminuted, intra-articular wrist fractures

    , Journal of Hand Surgery (European Volume)
  • Journal article
    Amis AA, 2007,

    Reply to O. Cebesoy's comments on the paper "Effects of lateral retinacular release on the lateral stability of the patella"

    , KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, Vol: 15, Pages: 826-827, ISSN: 0942-2056
  • Journal article
    Feller JA, Amis AA, Andrish JT, Arendt EA, Erasmus PJ, Powers CMet al., 2007,

    Surgical biomechanics of the patellofemoral joint

    , ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, Vol: 23, Pages: 542-553, ISSN: 0749-8063
  • Journal article
    RL Simpson, FE Wiria, AA Amis, CK Chua, KF Leong, UN Hansen, M Chandrasekaran, MW Leeet al., 2008,

    Development of a 95/5 Poly(L-Lactide-co-Glycolide)/Hydroxylapatite & b-Tricalcium Phosphate Scaffold as Bone Replacement material via Selective Laser Sintering

    , Journal of Biomedical Materials Research: Part B – Applied Biomaterials

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