Developing methods to evaluate how people with Parkinson's Disease turn 180°: an activity frequently associated with falls

References

• Johnell O, Melton L, Atkinson E, O’Fallon W, Kurland L. Fracture risk in patients with parkinsonism: a population-based study in Olmstead County, Minnesota. Age and Ageing 1992; 21: 32– 38.
   PubMed Web of Science ®Google Scholar
• Yekutiel M. Patients fall records as an aid to designing and assessing therapy in parkinsonism. Disability and Rehabilitation 1993; 15: 189– 193.
   PubMedGoogle Scholar
• Tinetti M. Prevention of falls and fall injuries in elderly people: a research agenda. Preventative Medicine 1994; 23: 756– 762.
   PubMed Web of Science ®Google Scholar
• Stack E, Ashburn A. Fall-events described by people with Parkinson’s Disease: implications for clinical interviewing and the research agenda. Physiotherapy Research International 1999; 4: 190– 200.
   PubMedGoogle Scholar
• Giladi N, McMahon D, Przedborski S. Motor blocks in Parkinson’s Disease. Neurology 1992; 42: 333– 339.
   PubMed Web of Science ®Google Scholar
• Nieuwboer A, De Weerdt W, Dom R, Lesaffre E. A frequency and correlation analysis of motor deficits in Parkinson patients. Disability and Rehabilitation 1998; 20: 142– 150.
   PubMed Web of Science ®Google Scholar
• Charlett A, Weller C, Purkiss A, Dobbs S, Dobbs R. Breadth of base whilst walking: effect of ageing and parkinsonism. Age and Ageing 1998; 27: 49– 54.
   PubMed Web of Science ®Google Scholar
• Bloem B, Van Vugt J, Beckley D. Postural instability and falls in Parkinson’s Disease. Advances in Neurology 2001; 87: 209– 223.
   PubMed Web of Science ®Google Scholar
• Cummings S, Nevitt M. A hypothesis: the causes of hip fractures. Journal of Gerontology 1989; 44: M107– M111.
   PubMedGoogle Scholar
• Nevitt M, Cummings S, Hudes E. Risk factors for injurious falls: a prospective study. Journal of Gerontology 1991; 46: M164– M170.
   PubMedGoogle Scholar
• Wild D, Nayak U, Isaacs B. How dangerous are falls in old people at home? British Medical Journal 1981; 282: 266– 268.
   PubMed Web of Science ®Google Scholar
• Berg W, Alessio H, Mills E, Tong C. Circumstances and consequences of falls in independent community-dwelling older adults. Age and Ageing 1997; 26: 261– 268.
   PubMed Web of Science ®Google Scholar
• Tinetti M. Performance-orientated assessment of mobility pro- blems in elderly patients. Journal of the American Geriatric Society 1986; 34: 119– 126.
   PubMed Web of Science ®Google Scholar
• Meldrum D, Finn A. An investigation of balance function in elderly subjects who have and have not fallen. Physiotherapy 1993; 79: 839– 842.
   Google Scholar
• Lipsitz L, Jonsson P, Kelley M, Koestner J. Causes and correlates of recurrent falls in ambulatory frail elderly. Journal of Gerontology 1991; 46: M114– M122.
   PubMedGoogle Scholar
• Thigpen M, Light K, Creel G, Flynn S. Turning difficulty characteristics of adults aged 65 years or older. Physical Therapy 2000; 80: 1174– 1187.
   PubMed Web of Science ®Google Scholar
• 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.
   Google Scholar
• Patla A, Prentice S, Robinson C, Neufield J. Visual control of locomotion: strategies for changing direction and for going over obstacles. Journal of Experimental Psychology 1991; 17: 603– 634.
   Google Scholar
• Patla A, Adkin A, Ballard T. Online steering: co-ordination and control of body centre of mass, head and body reorientation. Experimental Brain Research 1999; 129: 629– 634.
   PubMed Web of Science ®Google Scholar
• Grasso R, Glasauer S, Takei Y, Berthoz A. The predictive brain: anticipatory control of head direction for the steering of locomo- tion. NeuroReport 1996; 7: 1170– 1174.
   PubMed Web of Science ®Google Scholar
• Grasso R, Prevost P, Ivanenko Y, Berthoz A. Eye-head co- ordination for the steering of locomotion in humans: an anticipatory synergy. Neuroscience Letters 1998; 253: 115– 118.
   PubMed Web of Science ®Google Scholar
• Cao C, Ashton Miller J, Schultz A, Alexander N. Abilities to turn suddenly while walking: effects of age, gender and available response time. Journal of Gerontology 1997; 52: M88– M93.
   Google Scholar
• Cao C, Schultz A, Ashton Miller J, Alexander N. Sudden turns and stops while walking: kinematic sources of age and gender differences. Gait and Posture 1998; 7: 45– 52.
   PubMed Web of Science ®Google Scholar
• Hase K, Stein R. Turning Strategies during human walking. Journal of Neurophysiology 1999; 81: 2914– 2922.
   PubMed Web of Science ®Google Scholar
• Hollands M, Sorenson K, Patla A. Effects of head immobilisation on the co-ordination and control of head and body reorientation and translation during steering. Archives of Physiology and Biochemistry 2000; 108: 38.
   Google Scholar
• Imai T, Moore S, Raphan T, Cohen B. Interaction of the body, head and eyes during walking and turning. Experimental Brain Research 2001; 136: 1– 18.
   PubMed Web of Science ®Google Scholar
• Morris M, Huxham F, McGinley J, Dodd K, Iansek R. The biomechanics and motor control of gait in Parkinson’s Disease. Clinical Biomechanics 2001; 16: 459– 470.
   PubMed Web of Science ®Google Scholar
• Shiel A, Wilson B. Performance of stroke patients on the Middlesex Elderly Assessment of Mental State. Clinical Rehabilita- tion 1992; 6: 283– 289.
   Google Scholar
• Hoehn M, Yahr M. Parkinsonism: onset, progression and mortality. Neurology 1967; 17: 427– 442.
   PubMed Web of Science ®Google Scholar
• Thorndike E. A constant error in psychological ratings. Journal of Applied Psychology 1920; 4: 25– 29.
   Google Scholar
• Altman D. Practical Statistics for Medical Research. London: Chapman and Hall. 1991.
   Google Scholar
• Landis J, Koch G. The measurement of observer agreement for categorical data. Biometrics 1977; 33: 159– 174.
   PubMed Web of Science ®Google Scholar
• Ashburn A, Stack E, Pickering R, Ward C. A community-dwelling sample of people with Parkinson’s Disease: characteristics of fallers and non-fallers. Age and Ageing 2001; 30: 47– 52.
   PubMed Web of Science ®Google Scholar
• Podsiadlo D, Richardson S. The timed up and go: a test of basic functional mobility for frail elderly persons. Journal of the American Geriatric Society 1991; 39: 142– 148.
   PubMed Web of Science ®Google Scholar
• Stack E, Ashburn A, Rassoulian H. Validity and reliability of the video-based Standing Start 1808 Turn Test (SS-180) in adults with and without Parkinson’s Disease. Movement Disorders 2002; 17: (suppl.): S116.
   Google Scholar