References
- Patla A, Adkin A, Ballard T. Online steering: Coordination and control of body centre of mass, head and body reorientation. Experim Brain Res 1999; 129: 629–634
- Giladi N, McMahon D, Przedborski S. Motor blocks in PD. Neurology 1992; 42: 333–339
- Nieuwboer A, De Weerdt W, Dom R, Lesaffre E. A frequency and correlation analysis of motor deficits in Parkinson patients. Disabil Rehabil 1998; 20: 142–150
- Stack E, Ashburn A. Fall-events described by people with Parkinson's disease: Implications for clinical interviewing and the research agenda. Physiother Res Int 1999; 4: 190–200
- Grasso R, Glasauer S, Takei Y, Berthoz A. The predictive brain: anticipatory control of head direction for the steering of locomotion. NeuroReport 1996; 7: 1170–1174
- Grasso R, Prevost P, Ivanenko Y, Berthoz A. Eye-head coordination for the steering of locomotion in humans: An anticipatory synergy. Neurosci Lett 1998; 253: 115–118
- Imai T, Moore S, Raphan T, Cohen B. Interaction of the body, head and eyes during walking and turning. Experim Brain Res 2001; 136: 1–18
- Hase K, Stein R. Turning Strategies during human walking. J Neurophysiol 1999; 81: 2914–2922
- Cao C, Ashton Miller J, Schultz A, Alexander N. Abilities to turn suddenly while walking: Effects of age, gender and available response time. J Gerontol 1997; 52: M88–93
- Cao C, Schultz A, Ashton Miller J, Alexander N. Sudden turns and stops while walking: Kinematic sources of age and gender differences. Gait Posture 1998; 7: 45–52
- Thigpen M, Light K, Creel G, Flynn S. Turning difficulty characteristics of adults aged 65 years or older. Phys Ther 2000; 80: 1174–1187
- Imms F, Edholm O. Studies of gait and mobility in the elderly. Age Ageing 1981; 10: 147–156
- Meinhart-Shibata P, Kramer M, Ashton-Miller J, Persad C. Kinematic analyses of the 180° standing turn: Effects of age on strategies adopted by healthy young and older women. Gait Posture 2005; 22: 119–125
- Schenkman M, Shipp K, Chandler J, Studenski S, Kuchibhatla M. Relationships between mobility of axial structures and physical performance. Phys Ther 1996; 76: 276–285
- Simpson J, Worsfold C, Reilly E, Nye N. A standard procedure for using TURN180: Testing dynamic postural stability among elderly people. Physiotherapy 2002; 88: 342–353
- Lipsitz L, Jonsson P, Kelley M, Koestner J. Causes and correlates of recurrent falls in ambulatory frail elderly. J Gerontol 1991; 46: M114–122
- Stack E, Jupp K, Ashburn A. Developing methods to evaluate how people with PD turn 180°: Activity frequently associated with falls. Disabil Rehabil 2004; 26: 478–484
- Stack E, Ashburn A, Jupp K. Turning strategies demonstrated by people with PD during an everyday activity. Parkinsonism Rel Disorders 2006; 12: 87–92
- Schenkman M, Cutson T, Kuchibhatla M, Chandler J, Pieper C. Reliability of impairment and physical performance measures for persons with Parkinson's disease. Phys Ther 1997; 77: 19–27
- Suteerawattanon M, Protas E. Reliability of outcome measures in individuals with PD. Physiother Theory Pract 2000; 16: 211–218
- Gruendlinger L, Yogev G, Springer S, Hausdorff J M, Giladi N. Does turning differ from walking? Turning duration, gait indices and fall risk in Parkinson's disease and idiopathic fallers. Gait Posture 2005; 21(Suppl. 1)S94
- Mak M, Chan C, Patla A. Turning strategy in patients with Parkinson's disease. Gait Posture 2005; 21(Suppl. 1)S95–96
- Morris M, Huxham F, McGinley J, Dodd K, Iansek R. The biomechanics and motor control of gait in PD. Clin Biomechanics 2001; 16: 459–470
- Duncan P, Weiner D, Chandler J, Studenski S. Functional reach: A new clinical measure of balance. J Gerontol 1990; 45–46: M192–197
- Hoehn M, Yahr M. Parkinsonism: Onset, progression and mortality. Neurology 1967; 17: 427–442
- Lang A, Fahn S. Assessment of Parkinson's disease. Quantification of neurologic deficit. Chapter 21, T Munsat. Butterworths, , MA 1989
- Brown R, MacCarthy B, Jahanshahi M, Marsden D. Accuracy of self-reported disability in patients with Parkinsonism. Arch Neurol 1989; 46: 955–959
- Stack E, Ashburn A. Early development of The Standing Start 180° Turn Test. Physiotherapy 2005; 91: 6–13