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您的检索式：作者名="Justin Cobb"
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| 1 | Abnormal ground reaction forces lead to a general decline in gait speed in knee osteoarthritis patients显示文摘AIM To analyse ground reaction forces at higher speeds using another method to be more sensitive in assessing significant gait abnormalities. METHODS A total of 44 subjects, consisting of 24 knee osteoarthritis(OA) patients and 20 healthy controls were analysed. The knee OA patients were recruited from an orthopaedic clinic that were awaiting knee replacement. All subjects had their gait patterns during stance phase at top walking speed assessed on a validated treadmill instrumented with tandem force plates. Temporal measurements and ground reaction forces(GRFs) along with a novel impulse technique were collected for both limbs and a symmetry ratio was applied to all variables to assess inter-limb asymmetry. All continuous variables for each group were compared using a student t-test and χ2 analysis for categorical variables with significance set at α = 0.05. Receiver operator characteristics curves were utilised to determine best discriminating ability.RESULTS The knee OA patients were older(66 ± 7 years vs 53 ± 9 years, P = 0.01) and heavier(body mass index: 31 ± 6 vs 23 ± 7, P < 0.001) but had a similar gender ratio when compared to the control group. Knee OA patients were predictably slower at top walking speed(1.37 ± 0.23 m/s vs 2.00 ± 0.20 m/s, P < 0.0001) with shorter mean step length(79 ± 12 cm vs 99 ± 8 cm, P < 0.0001) and broader gait width(14 ± 5 cm vs 11 ± 3 cm, P = 0.015) than controls without any known lower-limb joint disease. At a matched mean speed(1.37 ± 0.23 vs 1.34 ± 0.07), ground reaction results revealed that pushoff forces and impulse were significantly(P < 0.0001) worse(18% and 12% respectively) for the knee OA patients when compared to the controls. Receiver operating characteristic curves analysis demonstrated total impulse to be the best discriminator of asymmetry, with an area under the curve of 0.902, with a cut-off of-3% and a specificity of 95% and sensitivity of 88%.CONCLUSION Abnormal GRFs in knee osteoarthritis are clearly evident at higher speeds. Analysing GRFs with another method may explain the general decline in knee OA patient's gait. | Anatole Vilhelm Wiik Adeel Aqil Mads Brevadt Gareth Jones Justin Cobb | 2017 | World Journal of Orthopedics2017，8，4： | 7 |
| 2 | A novel standardized algorithm for evaluating patients with painful total knee arthroplasty using combined single photon emission tomography and conventional computerized tomography显示文摘 | Michael T. Hirschmann Farhad Iranpour Praveen Konala Anna Kerner Helmut Rasch Justin P. Cobb Niklaus F. Friederich | 2010 | Knee Surgery Sports Traumatology Arthroscopy2010，，7： | 1 |
| 3 | Extracorporeal Shock Wave Therapy Is Effective In Treating Chronic Plantar Fasciitis: A Meta-analysis of RCTs显示文摘 | Adeel Aqil Muhammad R. S. Siddiqui Matthew Solan David J. Redfern Vivek Gulati Justin P. Cobb | 2013 | Clinical Orthopaedics and Related Research?2013，，11： | 1 |
| 4 | Baldness and the androgen receptor: the AR polyglycine repeat polymorphism does not confer susceptibility to androgenetic alopecia显示文摘 | Justine A. Ellis Katrina J. Scurrah Joanna E. Cobb Sophie G. Zaloumis Anna E. Duncan Stephen B. Harrap | 2007 | Human Genetics (-)2007，，3： | 1 |
| 5 | Textile Analysis of Heavy Weight, Mid-Weight, and Light Weight Polypropylene Mesh in a Porcine Ventral Hernia Model显示文摘 | William S. Cobb Justin M. Burns Richard D. Peindl Alfredo M. Carbonell Brent D. Matthews Kent W. Kercher B. Todd Heniford | 2006 | Journal of Surgical Research2006，，1： | 1 |
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