Determinants of co-contraction during walking before and after arthroplasty for knee osteoarthritis

Bandholm, 2008, Effects of experimental muscle pain on shoulder-abduction steadiness and muscle activity in healthy subjects, Eur. J. Appl. Physiol., 102, 643, 10.1007/s00421-007-0642-1 Benedetti, 1999, Myoelectric activation pattern during gait in total knee replacement: Relationship with kinematics, kinetics, and clinical outcome, IEEE Trans. Rehabil. Eng., 7, 140, 10.1109/86.769404 Benedetti, 2003, Muscle activation pattern and gait biomechanics after total knee replacement, Clin. Biomech., 18, 871, 10.1016/S0268-0033(03)00146-3 Bennell, 2008, Role of muscle in the genesis and management of knee osteoarthritis, Rheum. Dis. Clin. North Am., 34, 731, 10.1016/j.rdc.2008.05.005 Boerboom, 2001, Atypical hamstrings electromyographic activity as a compensatory mechanism in anterior cruciate ligaments deficiency, Knee Surg. Sports Traumatol Arthosc., 9, 211, 10.1007/s001670100196 Briem, 2007, Effects of the amount of valgus correction for medial compartment knee osteoarthritis on clinical outcome, knee kinetics and muscle co-contraction after opening wedge high tibial osteotomy, J. Orthop. Res., 25, 311, 10.1002/jor.20326 Bruijn, 2009, Is slow walking more stable?, J. Biomech., 42, 1506, 10.1016/j.jbiomech.2009.03.047 Bruijn, 2009, Statistical precision and sensitivity of dynamic gait stability, J. Neurosci. Methods, 178, 327, 10.1016/j.jneumeth.2008.12.015 Buchanan, 1996, Selective muscle activation following rapid varus/valgus perturbations at the knee, Med. Sci. Sports Exerc., 28, 870, 10.1097/00005768-199607000-00014 Childs, 2004, Alterations in lower extremity movement and muscle activation patterns in individuals with knee osteoarthritis, Clin. Biomech., 19, 44, 10.1016/j.clinbiomech.2003.08.007 Cholewicki, 1997, Stabilizing function of trunk flexor–extensor muscles around a neutral spine posture, Spine, 22, 2207, 10.1097/00007632-199710010-00003 Den Otter, 2006, Gait recovery is not associated with changes in the temporal patterning of muscle activity during treadmill walking in patients with post-stroke hemiparesis, Clin. Neurophysiol., 117, 4, 10.1016/j.clinph.2005.08.014 Dingwell, 2001, Local dynamic stability versus kinematic variability of continuous overground and treadmill walking, J. Biomech. Eng., 123, 27, 10.1115/1.1336798 Fallah-Yakhdani, 2010, Stability and variability of knee kinematics during gait in knee osteoarthritis before and after replacement surgery, Clin. Biomech., 25, 230, 10.1016/j.clinbiomech.2009.12.003 Fitzgerald, 2004, Reports of joint instability in knee osteoarthritis: Its prevalence and relationship to physical function, Arthritis Rheum., 51, 941, 10.1002/art.20825 Gardner-Morse, 2001, Trunk stiffness increases with steady-state effort, J. Biomech., 34, 457, 10.1016/S0021-9290(00)00226-8 Hausdorff, 2007, Gait dynamics, fractals, and falls: Finding meaning in the stride-to-stride fluctuations of human walking, Hum. Mov. Sci., 26, 555, 10.1016/j.humov.2007.05.003 Heiden, 2009, Knee joint kinematics, kinetics and muscle co-contraction in knee osteoarthritis patient gait, Clin. Biomech., 24, 833, 10.1016/j.clinbiomech.2009.08.005 Hermens, 1999 Hortobágyi, 2005, Altered hamstring-quadriceps muscle balance in patients with knee osteoarthritis, Clin. Biomech., 20, 97, 10.1016/j.clinbiomech.2004.08.004 Hsu, 1985, Telemetric electromyographic analysis of muscle transferred to the os calcis, Clin. Orthop. Relat. Res., 201, 71, 10.1097/00003086-198512000-00012 Hubley-Kozey, 2006, Neuromuscular alterations during walking in persons with moderate knee osteoarthritis, J. Electromyogr. Kinesiol., 16, 365, 10.1016/j.jelekin.2005.07.014 Hubley-Kozey, 2009, Co-activation differences in lower limb muscles between asymptomatic controls and those with varying degrees of knee osteoarthritis during walking, Clin. Biomech., 23, 407, 10.1016/j.clinbiomech.2009.02.005 Hubley-Kozey, 2010, Alterations in neuromuscular patterns between pre- and one-year post-total knee arthroplasty, Clin. Biomech., 25, 995, 10.1016/j.clinbiomech.2010.07.008 Hunter, 2009, Alignment and osteoarthritis of the knee, J. Bone Joint Surg. Am., 91, 85, 10.2106/JBJS.H.01409 Insall, 1989, Rationale of the Knee Society clinical rating system, Clin. Orthop., 248, 13, 10.1097/00003086-198911000-00004 Kauppila, 2009, Disability in end-stage knee osteoarthritis, Disabil. Rehabil., 31, 370, 10.1080/09638280801976159 Kean, 2009, Moments and muscle activity after high tibial osteotomy and anterior cruciate ligament reconstruction, Med. Sci. Sports Exerc., 41, 612, 10.1249/MSS.0b013e31818a8c91 Laxafoss, 2010, Case definitions of knee osteoarthritis in 4,151 unselected subjects—relevance for epidemiological studies: The Copenhagen Osteoarthritis Study, Skeletal Radiol., 39, 859, 10.1007/s00256-009-0856-x Leardini, 2005, Human movement analysis using stereophotogrammetry. Part 3. Soft tissue artifact assessment and compensation, Gait Posture, 21, 212, 10.1016/j.gaitpost.2004.05.002 Leitner, 2007, Gait in attention deficit hyperactivity disorder: Effects of methylphenidate and dual tasking, J. Neurol., 254, 1330, 10.1007/s00415-006-0522-3 Lewek, 2003, Dynamic knee stability after anterior cruciate ligament rupture, Exerc. Sport Sci. Rev., 31, 195, 10.1097/00003677-200310000-00007 Lewek, 2004, Control of frontal plane knee laxity during gait in patients with medial compartment knee osteoarthritis, Osteoarthritis Cartilage, 12, 745, 10.1016/j.joca.2004.05.005 Lewek, 2006, Stride-to-stride variability of knee motion in patients with knee osteoarthritis, Gait Posture, 23, 505, 10.1016/j.gaitpost.2005.06.003 Liang, 1986, Longitudinal data-analysis using generalized linear-models, Biometrika, 73, 13, 10.1093/biomet/73.1.13 Madeleine, 2008, Changes in the degree of motor variability associated with experimental and chronic neck-shoulder pain during a standardised repetitive arm movement, Exp. Brain Res., 185, 689, 10.1007/s00221-007-1199-2 Maki, 1997, Gait changes in older adults: Predictors of falls or indicators of fear, J. Am. Geriatr. Soc., 45, 313, 10.1111/j.1532-5415.1997.tb00946.x Mizner, 2005, Early quadriceps strength loss after total knee arthroplasty: The contributions of muscle atrophy and failure of voluntary muscle activation, J. Bone Joint Surg. Am., 87, 1047, 10.2106/JBJS.D.01992 Ramsey, 2007, A mechanical theory for the effectiveness of bracing for medial compartment osteoarthritis of the knee, J. Bone Joint Surg. Am., 89, 2398, 10.2106/JBJS.F.01136 Ramsey, 2007, Effect of anatomic realignment on muscle function during gait in patients with medial compartment knee osteoarthritis, Arthritis Rheum., 57, 389, 10.1002/art.22608 Reeves, 2007, Spine stability: The six blind men and the elephant, Clin. Biomech., 22, 266, 10.1016/j.clinbiomech.2006.11.011 Rudolph, 2001, Dynamic stability in the anterior cruciate ligament deficient knee, Knee Surg. Sports Traumatol Arthrosc., 9, 62, 10.1007/s001670000166 Rudolph, 2007, Age-related changes in strength, joint laxity, and walking patterns: Are they related to knee osteoarthritis?, Phys. Ther., 87, 1422, 10.2522/ptj.20060137 Schmitt, 2007, Influence on knee movement strategies during walking in persons with medial knee osteoarthritis, Arthritis Rheum., 57, 1018, 10.1002/art.22889 Schmitt, 2008, Muscle stabilization strategies in people with medial knee osteoarthritis: The effect of instability, J. Orthop. Res., 26, 1180, 10.1002/jor.20619 Selen, 2006, Impedance modulation and feedback corrections in tracking targets of variable size and frequency, J. Neurophysiol., 96, 2750, 10.1152/jn.00552.2006 Torry, 2000, Intra-articular knee joint effusion induces quadriceps avoidance gait patterns, Clin. Biomech., 15, 147, 10.1016/S0268-0033(99)00083-2 Van Dieën, 2003, Evidence for a role of antagonistic cocontraction in controlling trunk stiffness during lifting, J. Biomech., 36, 1829, 10.1016/S0021-9290(03)00227-6 Van Galen, 2000, Error, stress and the role of neuromotor noise in space oriented behaviour, Biol. Psychol., 51, 151, 10.1016/S0301-0511(99)00037-X Vlaeyen, 1995, Fear of movement/(re)injury in chronic low back pain and its relation to behavioural performance, Pain, 62, 363, 10.1016/0304-3959(94)00279-N Wilson, 1996, Comperhensive Gait Analysis in Posterior-stabilized Knee Arthroplasty, J. Arthroplasty, 11, 359, 10.1016/S0883-5403(96)80023-4 Zeger, 1986, Longitudinal data analysis for discrete and continuous outcomes, Biometrics, 42, 121, 10.2307/2531248 Zeni, 2009, Alterations in quadriceps and hamstrings coordination in persons with medial compartment knee osteoarthritis, J. Electromyogr. Kinesiol., 20, 148, 10.1016/j.jelekin.2008.12.003