Jankovic J (2008) Parkinson’s disease: clinical features and diagnosis. J Neurol Neurosurg Psychiatry 79(4):368–376. https://doi.org/10.1136/jnnp.2007.131045
CAS
Article
Google Scholar
Samii A, Nutt JG, Ransom BR (2004) Parkinson’s disease. Lancet 363(9423):1783–1793. https://doi.org/10.1016/S0140-6736(04)16305-8
CAS
Article
PubMed
Google Scholar
Schrag A (2007) Epidemiology of movement disorders. In: Tolosa EaJ JJ (ed) Parkinson's disease and movement disorders. Lippincott Williams & Wilkins, Hagerstown, pp 50–66
Google Scholar
Fung VT, PD. (2002) Rigidity and spasticity. In: Jankovic ET JJ (ed) Parkinson’s disease and movement disorders, 4th edn. Lippincott Williams& Wilkins, Philadelphia, pp 473–482
Google Scholar
Powell D, Threlkeld AJ, Fang X, Muthumani A, Xia R (2012) Amplitude- and velocity-dependency of rigidity measured at the wrist in Parkinson’s disease. Clin Neurophysiol 123(4):764–773. https://doi.org/10.1016/j.clinph.2011.08.004
Article
PubMed
Google Scholar
Rothwell JC, Obeso JA, Traub MM, Marsden CD (1983) The behaviour of the long-latency stretch reflex in patients with Parkinson’s disease. J Neurol Neurosurg Psychiatry 46(1):35–44. https://doi.org/10.1136/jnnp.46.1.35
CAS
Article
PubMed
PubMed Central
Google Scholar
Delwaide PJ, Sabbatino M, Delwaide C (1986) Some pathophysiological aspects of the parkinsonian rigidity. J Neural Transm Suppl 22:129–139
CAS
PubMed
Google Scholar
Bergui M, Dimanico U, Paglia G, Quattrocolo G, Troni W, Bergamini L (1992) Stretch reflex of quadriceps femoris in normal man: methodological considerations and normative data. Electromyogr Clin Neurophysiol 32(12):597–601
CAS
PubMed
Google Scholar
Meara RJ, Cody FW (1993) Stretch reflexes of individual parkinsonian patients studied during changes in clinical rigidity following medication. Electroencephalogr Clin Neurophysiol 89(4):261–268. https://doi.org/10.1016/0168-5597(93)90105-x
CAS
Article
PubMed
Google Scholar
Tatton WG, Bedingham W, Verrier MC, Blair RD (1984) Characteristic alterations in responses to imposed wrist displacements in parkinsonian rigidity and dystonia musculorum deformans. Can J Neurol Sci 11(2):281–287. https://doi.org/10.1017/s0317167100045546
CAS
Article
PubMed
Google Scholar
Tatton WG, Eastman MJ, Bedingham W, Verrier MC, Bruce IC (1984) Defective utilization of sensory input as the basis for bradykinesia, rigidity and decreased movement repertoire in Parkinson’s disease: a hypothesis. Can J Neurol Sci 11(1 Suppl):136–143. https://doi.org/10.1017/s0317167100046291
CAS
Article
PubMed
Google Scholar
Cody FW, MacDermott N, Matthews PB, Richardson HC (1986) Observations on the genesis of the stretch reflex in Parkinson’s disease. Brain 109(Pt 2):229–249. https://doi.org/10.1093/brain/109.2.229
Article
PubMed
Google Scholar
Burke D, Gillies JD, Lance JW (1970) The quadriceps stretch reflex in human spasticity. J Neurol Neurosurg Psychiatry 33(2):216–223. https://doi.org/10.1136/jnnp.33.2.216
CAS
Article
PubMed
PubMed Central
Google Scholar
Voerman GE, Gregoric M, Hermens HJ (2005) Neurophysiological methods for the assessment of spasticity: the Hoffmann reflex, the tendon reflex, and the stretch reflex. Disabil Rehabil 27(1–2):33–68
CAS
Article
Google Scholar
Uysal H, Mogyoros I, Burke D (1999) Reproducibility of tendon jerk reflexes during a voluntary contraction. Clin Neurophysiol 110(8):1481–1487
CAS
Article
Google Scholar
Burke D, Knowles L, Andrews C, Ashby P (1972) Spasticity, decerebrate rigidity and the clasp-knife phenomenon: an experimental study in the cat. Brain 95(1):31–48. https://doi.org/10.1093/brain/95.1.31
CAS
Article
PubMed
Google Scholar
Burke D, Andrews CJ, Lance JW (1972) Tonic vibration reflex in spasticity, Parkinson’s disease, and normal subjects. J Neurol Neurosurg Psychiatry 35(4):477–486. https://doi.org/10.1136/jnnp.35.4.477
CAS
Article
PubMed
PubMed Central
Google Scholar
Dietrichson P (1971) Tonic ankle reflex in parkinsonian rigidity and in spasticity. The role of the fusimotor system. Acta Neurol Scand 47(2):163–182. https://doi.org/10.1111/j.1600-0404.1971.tb07474.x
CAS
Article
PubMed
Google Scholar
Lance JB, D.; Andrews, CJ. (1973) The reflex effects of muscle vibration. In: JED (ed) new developments in electromyography and clinical neurophysiology, vol 3. Basel, Karger, pp 44–462
Google Scholar
Gurbuz M, Bilgin S, Albayrak Y, Kizilay F, Uysal H (2015) Biceps femoris late latency responses and the “notching sign” in spasticity. J Neuroeng Rehabil 12:93. https://doi.org/10.1186/s12984-015-0084-7
Article
PubMed
PubMed Central
Google Scholar
Goetz CG, Fahn S, Martinez-Martin P, Poewe W, Sampaio C, Stebbins GT, Stern MB, Tilley BC, Dodel R, Dubois B, Holloway R, Jankovic J, Kulisevsky J, Lang AE, Lees A, Leurgans S, LeWitt PA, Nyenhuis D, Olanow CW, Rascol O, Schrag A, Teresi JA, Van Hilten JJ, LaPelle N (2007) Movement Disorder Society-sponsored revision of the Unified Parkinson’s Disease Rating Scale (MDS-UPDRS): process, format, and clinimetric testing plan. Mov Disord 22(1):41–47. https://doi.org/10.1002/mds.21198
Article
PubMed
Google Scholar
Goetz CG, Poewe W, Rascol O, Sampaio C, Stebbins GT, Counsell C, Giladi N, Holloway RG, Moore CG, Wenning GK, Yahr MD, Seidl L, Movement Disorder Society Task Force on Rating Scales for Parkinson's D (2004) Movement Disorder Society Task Force report on the Hoehn and Yahr staging scale: status and recommendations. Mov Disord 19(9):1020–1028. https://doi.org/10.1002/mds.20213
Article
PubMed
Google Scholar
Uslu S, Nuzket T, Albayrak Y, Uysal H (2016) Evaluation of the patellar tendon reflex with reflex hammer that can measure impact force, muscle vibration and CMAP. J Neurol Sci-Turk 33(2):214–226
Google Scholar
Uslu SNT, Uysal H (2018) Modified motor unit number index (MUNIX) algorithm for assessing excitability of alpha motor neuron in spasticity. Clin Neurophysiol Pract 3:127–133
Article
Google Scholar
Brown RA, Lawson DA, Leslie GC, Part NJ (1988) Observations on the applicability of the Wartenberg pendulum test to healthy, elderly subjects. J Neurol Neurosurg Psychiatry 51(9):1171–1177. https://doi.org/10.1136/jnnp.51.9.1171
CAS
Article
PubMed
PubMed Central
Google Scholar
Brown RA, Lawson DA, Leslie GC, MacArthur A, MacLennan WJ, McMurdo ME, Mutch WJ, Part NJ (1988) Does the Wartenberg pendulum test differentiate quantitatively between spasticity and rigidity? A study in elderly stroke and Parkinsonian patients. J Neurol Neurosurg Psychiatry 51(9):1178–1186. https://doi.org/10.1136/jnnp.51.9.1178
CAS
Article
PubMed
PubMed Central
Google Scholar
Andrews CJ, Burke D, Lance JW (1972) The response to muscle stretch and shortening in Parkinsonian rigidity. Brain 95(4):795–812. https://doi.org/10.1093/brain/95.4.795
CAS
Article
PubMed
Google Scholar
Berardelli A, Sabra AF, Hallett M (1983) Physiological mechanisms of rigidity in Parkinson’s disease. J Neurol Neurosurg Psychiatry 46(1):45–53. https://doi.org/10.1136/jnnp.46.1.45
CAS
Article
PubMed
PubMed Central
Google Scholar
Xia R, Rymer WZ (2004) The role of shortening reaction in mediating rigidity in Parkinson’s disease. Exp Brain Res 156(4):524–528. https://doi.org/10.1007/s00221-004-1919-9
Article
PubMed
Google Scholar
Pierrot-Deseilligny E, Burke D (2005) The circuitry of the human spinal cord. Its role in motor control and movement disorders. Cambridge University Press
Fahn SE, Elton RL (1987) Unified Parkinson’s disease rating scale. Recent Developments in Parkinson’s Disease. Macmillan Health Care Information, Florham Park
Simonetta Moreau M, Meunier S, Vidailhet M, Pol S, Galitzky M, Rascol O (2002) Transmission of group II heteronymous pathways is enhanced in rigid lower limb of de novo patients with Parkinson’s disease. Brain 125(Pt 9):2125–2133. https://doi.org/10.1093/brain/awf201
CAS
Article
PubMed
Google Scholar
Lee RG (1989) Pathophysiology of rigidity and akinesia in Parkinson’s disease. Eur Neurol 29(Suppl 1):13–18. https://doi.org/10.1159/000116448
CAS
Article
PubMed
Google Scholar
Lee RGT, W.G. (1978) Long loop reflexes in man: clinical applications. In: Cerebral Motor Control in Man: Long Loop Mechanisms, Progress in Clinical Neurophysiology, vol 4. Karger, Basel
Google Scholar
Kushnir M, Klein C, Rabey JM (2001) H reflex behavior in Parkinson’s disease patients and patients with extrapyramidal and pyramidal signs combined. J Neurol Sci 186(1–2):101–105. https://doi.org/10.1016/s0022-510x(01)00511-1
CAS
Article
PubMed
Google Scholar
Sabbahi M, Etnyre B, Al-Jawayed I, Jankovic J (2002) H-reflex recovery curves differentiate essential tremor, Parkinson’s disease, and the combination of essential tremor and Parkinson’s disease. J Clin Neurophysiol 19(3):245–251
Article
Google Scholar
Sabbahi M, Etnyre B, Al-Jawayed IA, Hasson S, Jankovic J (2002) Methods of H-reflex evaluation in the early stages of Parkinson’s disease. J Clin Neurophysiol 19(1):67–72
CAS
Article
Google Scholar