An examination of the relationship between dynamic knee joint stiffness and gait pattern of children with cerebral palsy

Baker, 2009, The gait profile score and movement analysis profile, Gait Posture, 30, 265, 10.1016/j.gaitpost.2009.05.020 Bar-On, 2015, Spasticity and its contribution to hypertonia in cerebral palsy, BioMed Res. Int., 2015, 10.1155/2015/317047 Beynon, 2010, Correlations of the gait profile score and the movement analysis profile relative to clinical judgments, Gait Posture, 32, 129, 10.1016/j.gaitpost.2010.01.010 Bressel, 2002, The effect of prolonged static and cyclic stretching on ankle joint stiffness, torque relaxation, and gait in people with stroke, Phys. Ther., 82, 880, 10.1093/ptj/82.9.880 Celletti, 2013, Use of the gait profile score for the evaluation of patients with joint hypermobility syndrome/Ehlers-Danlos syndrome hypermobility type, Res. Dev. Disabil., 34, 4280, 10.1016/j.ridd.2013.09.019 Cimolin, 2014, Summary measures for clinical gait analysis: a literature review, Gait Posture, 39, 1005, 10.1016/j.gaitpost.2014.02.001 Collins, 2014, Interlimb symmetry of dynamic knee joint stiffness and co-contraction is maintained in early stage knee osteoarthritis, J. Electromyogr. Kinesiol., 24, 497, 10.1016/j.jelekin.2014.03.010 Coveney, 2001, Is the behaviour of the leg during oscillation linear?, J. Biomech., 34, 827, 10.1016/S0021-9290(01)00017-3 Davis, 1996, Gait characterization via dynamic joint stiffness, Gait Posture, 4, 224, 10.1016/0966-6362(95)01045-9 Davis, 1991, A gait analysis data collection and reduction technique, Hum. Mov. Sci., 10, 575, 10.1016/0167-9457(91)90046-Z Dixon, 2010, Knee joint stiffness during walking in knee osteoarthritis, Arthritis Care & Res., 62, 38, 10.1002/acr.20012 D'Lima, 2012, Knee joint forces: prediction, measurement, and significance, Proc. Inst. Mech. Eng. Part H, J. Eng. Med., 226, 95, 10.1177/0954411911433372 Docherty, 2004, Relationship between two proprioceptive measures and stiffness at the ankle, J. Electromyogr. Kinesiol., 14, 317, 10.1016/S1050-6411(03)00035-X Ferreira, 2014, Effects of gastrocnemius fascia lengthening on gait pattern in children with cerebral palsy using the gait profile score, Res. Dev. Disabil., 35, 1137, 10.1016/j.ridd.2014.02.001 Frigo, 1996, Moment-angle relationship at lower limb joints during human walking at different velocities, J. Electromyogr. Kinesiol., 6, 177, 10.1016/1050-6411(96)00030-2 Gage, 2004, The treatment of gait problems in cerebral palsy Galli, 2016, Quantitative evaluation of the effects of ankle foot orthosis on gait in children with cerebral palsy using the gait profile score and gait variable scores, J. Dev. Phys. Disabil., 28, 367, 10.1007/s10882-016-9472-6 Galli, 2001, Short-term effects of “botulinum toxin A” as treatment for children with cerebral palsy: kinematic and kinetic aspects at the ankle joint, Funct. Neurol., 16, 317 Galli, 2015, Use of the gait profile score for the quantification of gait pattern in down syndrome, J. Dev. Phys. Disabil., 27, 609, 10.1007/s10882-015-9438-0 Galli, 2008, Joint stiffness and gait pattern evaluation in children with Down syndrome, Gait Posture, 28, 502, 10.1016/j.gaitpost.2008.03.001 Kark, 2012, Use of gait summary measures with lower limb amputees, Gait Posture, 35, 238, 10.1016/j.gaitpost.2011.09.013 Lusardi, 2013, 465 McGinnis, 2013, Dynamic joint stiffness and co-contraction in subjects after total knee arthroplasty, Clin. Biomech. (Bristol, Avon), 28, 205, 10.1016/j.clinbiomech.2012.11.008 Palisano, 1997, Development and reliability of a system to classify gross motor function in children with cerebral palsy, Dev. Med. Child Neurol., 45, 113, 10.1111/j.1469-8749.2003.tb00914.x Petterson, 2008, Mechanisms underlying quadriceps weakness in knee osteaorthritis, Med. Sci. Sports Exerc., 40, 422, 10.1249/MSS.0b013e31815ef285 Rigoldi, 2012, vol. 33, 1437 Rodda, 2004, Sagittal gait patterns in spastic diplegia, J. Bone Joint Surg. Br., 86, 251, 10.1302/0301-620X.86B2.13878 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 Rutz, 2011, Tibialis anterior tendon shortening in combination with Achilles tendon lengthening in spastic equinus in cerebral palsy, Gait Posture, 33, 152, 10.1016/j.gaitpost.2010.11.002 Schmitt, 2007, Influences on knee movement strategies during walking in persons with medial knee osteoarthritis, Arthritis Care & Res., 57, 1018, 10.1002/art.22889 Schweizer, 2014, The influence of muscle strength on the gait profile score (GPS) across different patients, Gait Posture, 39, 80, 10.1016/j.gaitpost.2013.06.001 Wagner, 1999, Stabilizing function of skeletal muscles: an analytical investigation, J. Theor. Biol., 199, 163, 10.1006/jtbi.1999.0949 Willerslev-Olsen, 2014, Gait training reduces ankle joint stiffness and facilitates heel strike in children with Cerebral Palsy, Neuro Rehabilitation, 35, 643 Zeni, 2009, Dynamic knee joint stiffness in subjects with a progressive increase in severity of knee osteoarthritis, Clin. Biomech., 24, 366, 10.1016/j.clinbiomech.2009.01.005