Age-Associated Changes in the Biomechanics of Gait and Gait-Related Falls in Older Adults

[1]  R W Bohannon Strength Deficits Also Predict Gait Performance in Patients with Stroke , 1991, Perceptual and motor skills.

[2]  W C Hayes,et al.  Prediction of femoral impact forces in falls on the hip. , 1991, Journal of biomechanical engineering.

[3]  A. Schultz,et al.  Effects of age on rapid ankle torque development. , 1996, The journals of gerontology. Series A, Biological sciences and medical sciences.

[4]  T. McMahon,et al.  The threshold trip duration for which recovery is no longer possible is associated with strength and reaction time. , 2001, Journal of biomechanics.

[5]  D. Winter,et al.  Control of whole body balance in the frontal plane during human walking. , 1993, Journal of biomechanics.

[6]  R. Elble,et al.  Gait initiation by patients with lower-half parkinsonism. , 1996, Brain : a journal of neurology.

[7]  S. Lord,et al.  Visual Risk Factors for Falls in Older People , 2001, Age and ageing.

[8]  Aftab E Patla,et al.  Contribution of vision and cutaneous sensation to the control of centre of mass (COM) during gait termination , 2001, Brain Research.

[9]  A. Patla How Is Human Gait Controlled by Vision , 1998 .

[10]  J. Morley Mobility performance: a high-tech test for geriatricians. , 2003, The journals of gerontology. Series A, Biological sciences and medical sciences.

[11]  F. Zajac,et al.  Contributions of the individual ankle plantar flexors to support, forward progression and swing initiation during walking. , 2001, Journal of biomechanics.

[12]  V. Askegaard,et al.  Protection against hip fractures by energy absorption. , 1992, Danish medical bulletin.

[13]  E H Wagner,et al.  Evidence for a non-linear relationship between leg strength and gait speed. , 1996, Age and ageing.

[14]  P. Harmer,et al.  Health Benefits of Cobblestone-Mat Walking: Preliminary Findings , 2003 .

[15]  A. Patla,et al.  “Look where you’re going!”: gaze behaviour associated with maintaining and changing the direction of locomotion , 2002, Experimental Brain Research.

[16]  Y. Lajoie,et al.  Step Length Variability at Gait Initiation in Elderly Fallers and Non-Fallers, and Young Adults , 2002, Gerontology.

[17]  R R Neptune,et al.  Muscle mechanical work requirements during normal walking: the energetic cost of raising the body's center-of-mass is significant. , 2004, Journal of biomechanics.

[18]  Meg E Morris,et al.  Effects of age on balance control during walking. , 2004, Archives of physical medicine and rehabilitation.

[19]  S. Lark,et al.  Joint torques and dynamic joint stiffness in elderly and young men during stepping down. , 2003, Clinical biomechanics.

[20]  A. Schultz,et al.  Stepping over obstacles: gait patterns of healthy young and old adults. , 1991, Journal of gerontology.

[21]  T. Andriacchi,et al.  A relationship between gait and clinical changes following high tibial osteotomy. , 1985, The Journal of bone and joint surgery. American volume.

[22]  A. Kuo,et al.  Active control of lateral balance in human walking. , 2000, Journal of biomechanics.

[23]  P. Crenna,et al.  Motor programmes for the termination of gait in humans: organisation and velocity‐dependent adaptation , 2001, The Journal of physiology.

[24]  R. Stein,et al.  Analysis of rapid stopping during human walking. , 1998, Journal of neurophysiology.

[25]  T. Andriacchi,et al.  Knee adduction moment, serum hyaluronan level, and disease severity in medial tibiofemoral osteoarthritis. , 1998, Arthritis and rheumatism.

[26]  W C Hayes,et al.  Disturbance type and gait speed affect fall direction and impact location. , 2001, Journal of biomechanics.

[27]  S. Cummings,et al.  TYPE OF FALL AND RISK OF HIP AND WRIST FRACTURES: THE STUDY OF OSTEOPOROTIC FRACTURES , 1993, Journal of the American Geriatrics Society.

[28]  Jeffrey M. Hausdorff,et al.  Increased gait unsteadiness in community-dwelling elderly fallers. , 1997, Archives of physical medicine and rehabilitation.

[29]  S. Flynn,et al.  Turning difficulty characteristics of adults aged 65 years or older. , 2000, Physical therapy.

[30]  R. Cumming,et al.  Fall Frequency and Characteristics and the Risk of Hip Fractures , 1994, Journal of the American Geriatrics Society.

[31]  M. Hollands,et al.  Visually guided stepping under conditions of step cycle-related denial of visual information , 1996, Experimental Brain Research.

[32]  A. Schultz,et al.  Fall-related upper body injuries in the older adult: a review of the biomechanical issues. , 2003, Journal of biomechanics.

[33]  A. Patla,et al.  Waterloo Vision and Mobility Study: gait adaptations to altered surfaces in individuals with age-related maculopathy. , 1994, Optometry and vision science : official publication of the American Academy of Optometry.

[34]  D. Winter,et al.  EMG profiles during normal human walking: stride-to-stride and inter-subject variability. , 1987, Electroencephalography and clinical neurophysiology.

[35]  A. Schultz,et al.  Do Neural Factors Underlie Age Differences in Rapid Ankle Torque Development? , 1996, Journal of the American Geriatrics Society.

[36]  Joan N. Vickers,et al.  How far ahead do we look when required to step on specific locations in the travel path during locomotion? , 2002, Experimental Brain Research.

[37]  M. Bendall,et al.  Factors affecting walking speed of elderly people. , 1989, Age and ageing.

[38]  A. Schultz,et al.  Age effects on strategies used to avoid obstacles , 1994 .

[39]  W. Berg,et al.  Circumstances and consequences of falls in independent community-dwelling older adults. , 1997, Age and ageing.

[40]  A J van den Bogert,et al.  Response time is more important than walking speed for the ability of older adults to avoid a fall after a trip. , 2002, Journal of biomechanics.

[41]  J A Ashton-Miller,et al.  How quickly can healthy adults move their hands to intercept an approaching object? Age and gender effects. , 2001, The journals of gerontology. Series A, Biological sciences and medical sciences.

[42]  M C Verstraete,et al.  A mechanical energy analysis of gait initiation. , 1999, Gait & posture.

[43]  D. Winter,et al.  How many strides are required for the analysis of electromyographic data in gait? , 1986, Scandinavian journal of rehabilitation medicine.

[44]  S. Kivelä,et al.  Incidence rate of falls in an aged population in northern Finland. , 1994, Journal of clinical epidemiology.

[45]  A B Schultz,et al.  Age and gender differences in single-step recovery from a forward fall. , 1999, The journals of gerontology. Series A, Biological sciences and medical sciences.

[46]  R. Moe-Nilssen,et al.  Test-retest reliability of trunk accelerometric gait analysis. , 2004, Gait & posture.

[47]  D. Winter,et al.  Biomechanical walking pattern changes in the fit and healthy elderly. , 1990, Physical therapy.

[48]  R. Moe-Nilssen Test-retest reliability of trunk accelerometry during standing and walking. , 1998, Archives of physical medicine and rehabilitation.

[49]  W. Sparrow,et al.  Gait characteristics of young and older individuals negotiating a raised surface: implications for the prevention of falls. , 2000, The journals of gerontology. Series A, Biological sciences and medical sciences.

[50]  Laura A. Wojcik,et al.  Age and gender differences in peak lower extremity joint torques and ranges of motion used during single-step balance recovery from a forward fall. , 2001, Journal of biomechanics.

[51]  T. M. Owings,et al.  Mechanisms of failed recovery following postural perturbations on a motorized treadmill mimic those associated with an actual forward trip. , 2001, Clinical biomechanics.

[52]  B. E. Maki,et al.  Gait Changes in Older Adults: Predictors of Falls or Indicators of Fear? , 1997, Journal of the American Geriatrics Society.

[53]  P O Riley,et al.  Reduced hip extension during walking: healthy elderly and fallers versus young adults. , 2001, Archives of physical medicine and rehabilitation.

[54]  T. M. Owings,et al.  Mechanisms leading to a fall from an induced trip in healthy older adults. , 2001, The journals of gerontology. Series A, Biological sciences and medical sciences.

[55]  R. Fitzpatrick,et al.  Acceleration patterns of the head and pelvis when walking are associated with risk of falling in community-dwelling older people. , 2003, The journals of gerontology. Series A, Biological sciences and medical sciences.

[56]  R. Kram,et al.  Mechanical and metabolic determinants of the preferred step width in human walking , 2001, Proceedings of the Royal Society of London. Series B: Biological Sciences.

[57]  A B Schultz,et al.  Association of age with the threshold for detecting ankle inversion and eversion in upright stance. , 1995, Age and ageing.

[58]  Cao,et al.  Sudden turns and stops while walking: kinematic sources of age and gender differences. , 1998, Gait & posture.

[59]  A. Patla,et al.  Strategies for dynamic stability during locomotion on a slippery surface: effects of prior experience and knowledge. , 2002, Journal of neurophysiology.

[60]  Richard R Neptune,et al.  Biomechanics and muscle coordination of human walking. Part I: introduction to concepts, power transfer, dynamics and simulations. , 2002, Gait & posture.

[61]  Kathryn A. Christina,et al.  Ground reaction forces and frictional demands during stair descent: effects of age and illumination. , 2002, Gait & posture.

[62]  Sibylle B Thies,et al.  Interventions Improve Gait Regularity in Patients with Peripheral Neuropathy While Walking on an Irregular Surface Under Low Light , 2004, Journal of the American Geriatrics Society.

[63]  F. Prince,et al.  Avoidance and accommodation of surface height changes by healthy, community-dwelling, young, and elderly men. , 2002, The journals of gerontology. Series A, Biological sciences and medical sciences.

[64]  Rodger Kram,et al.  Simultaneous positive and negative external mechanical work in human walking. , 2002, Journal of biomechanics.

[65]  Richard W. Bohannon Comfortable and maximum walking speed of adults aged 20-79 years: reference values and determinants. , 1997, Age and ageing.

[66]  R. Norman,et al.  Comparison of muscle forces and joint load from an optimization and EMG assisted lumbar spine model: towards development of a hybrid approach. , 1995, Journal of biomechanics.

[67]  Hylton B Menz,et al.  Walking stability and sensorimotor function in older people with diabetic peripheral neuropathy. , 2004, Archives of physical medicine and rehabilitation.

[68]  Cao,et al.  Effects of age, available response time and gender on ability to stop suddenly when walking. , 1998, Gait & posture.

[69]  R. Crowninshield,et al.  THE PREDICTION OF FORCES IN JOINT STRUCTURES: DISTRIBUTION OF INTERSEGMENTAL RESULTANTS , 1981, Exercise and sport sciences reviews.

[70]  John F. Greany,et al.  Aging and saccade-stepping interactions in humans , 2003, Neuroscience Letters.

[71]  M. Bobbert,et al.  Changes in walking pattern caused by the possibility of a tripping reaction. , 2001, Gait & posture.

[72]  Peter R Cavanagh,et al.  Stair Performance in People Aged 75 and Older , 2004, Journal of the American Geriatrics Society.

[73]  Richard W. Bohannon,et al.  Walking speed: reference values and correlates for older adults. , 1996, The Journal of orthopaedic and sports physical therapy.

[74]  A B Schultz,et al.  Abilities to turn suddenly while walking: effects of age, gender and available response time , 1997, The journals of gerontology. Series A, Biological sciences and medical sciences.

[75]  Maarten F. Bobbert,et al.  Control of support limb muscles in recovery after tripping in young and older subjects , 2004, Experimental Brain Research.

[76]  Suzanne G. Leveille,et al.  Increased Velocity Exercise Specific to Task (InVEST) Training: A Pilot Study Exploring Effects on Leg Power, Balance, and Mobility in Community‐Dwelling Older Women , 2004, Journal of the American Geriatrics Society.

[77]  J. Ashton-Miller,et al.  A Comparison of Gait Characteristics Between Older Women with and Without Peripheral Neuropathy in Standard and Challenging Environments , 2004, Journal of the American Geriatrics Society.

[78]  D. E. Marple-Horvat,et al.  Human Eye Movements During Visually Guided Stepping. , 1995, Journal of motor behavior.

[79]  Patla,et al.  The initiation of gait in young, elderly, and Parkinson's disease subjects. , 1998, Gait & posture.

[80]  R. M. Alexander,et al.  Energetics and optimization of human walking and running: the 2000 Raymond Pearl memorial lecture. , 2002 .

[81]  R. Cham,et al.  Lower extremity corrective reactions to slip events. , 2001, Journal of biomechanics.

[82]  Suzanne G. Leveille,et al.  Coimpairments as Predictors of Severe Walking Disability in Older Women , 2001, Journal of the American Geriatrics Society.

[83]  P. Cavanagh,et al.  Stair Negotiation in Older People: A Review , 2000, Journal of the American Geriatrics Society.

[84]  R. Cham,et al.  Changes in gait when anticipating slippery floors. , 2002, Gait & Posture.

[85]  E. T. Hsiao,et al.  Common protective movements govern unexpected falls from standing height. , 1997, Journal of biomechanics.

[86]  Laura A. Wojcik,et al.  Age differences in using a rapid step to regain balance during a forward fall. , 1997, The journals of gerontology. Series A, Biological sciences and medical sciences.

[87]  J. Frank,et al.  Control of dynamic stability during gait termination on a slippery surface. , 2005, Journal of neurophysiology.

[88]  Thresholds for sensing foot dorsi- and plantarflexion during upright stance: effects of age and velocity. , 1998, The journals of gerontology. Series A, Biological sciences and medical sciences.

[89]  L. Nyberg,et al.  “Stops walking when talking” as a predictor of falls in elderly people , 1997, The Lancet.

[90]  A. Patla,et al.  Role of the unperturbed limb and arms in the reactive recovery response to an unexpected slip during locomotion. , 2003, Journal of neurophysiology.

[91]  Jeffrey M. Hausdorff,et al.  Gait variability and fall risk in community-living older adults: a 1-year prospective study. , 2001, Archives of physical medicine and rehabilitation.

[92]  M S Redfern,et al.  Biomechanics of slips , 2001, Ergonomics.

[93]  W. Hayes,et al.  Impact near the hip dominates fracture risk in elderly nursing home residents who fall , 1993, Calcified Tissue International.

[94]  A B Schultz,et al.  Stepping over obstacles: dividing attention impairs performance of old more than young adults. , 1996, The journals of gerontology. Series A, Biological sciences and medical sciences.

[95]  R Grönqvist,et al.  Human-centred approaches in slipperiness measurement , 2001, Ergonomics.

[96]  J A Ashton-Miller,et al.  Fall arrest strategy affects peak hand impact force in a forward fall. , 2002, Journal of biomechanics.

[97]  Mark Latt,et al.  Reliability of the GAITRite walkway system for the quantification of temporo-spatial parameters of gait in young and older people. , 2004, Gait & posture.

[98]  E. Hurvitz,et al.  The Relationship between Electromyographically Documented Peripheral Neuropatny and Falls , 1992, Journal of the American Geriatrics Society.

[99]  James A. Ashton-Miller,et al.  Can proprioception really be improved by exercises? , 2001, Knee Surgery, Sports Traumatology, Arthroscopy.

[100]  A. Schultz,et al.  Effects of age and available response time on ability to step over an obstacle. , 1994, Journal of gerontology.

[101]  F. Zajac,et al.  Muscle force redistributes segmental power for body progression during walking. , 2004, Gait & posture.

[102]  Christine Martin,et al.  Characteristics of voluntary visual sampling of the environment for safe locomotion over different terrains , 1996, Experimental Brain Research.

[103]  P. Lapuerta,et al.  Change in physical performance over time in older women: the Women's Health and Aging Study. , 2002, The journals of gerontology. Series A, Biological sciences and medical sciences.

[104]  S. Lord,et al.  Multifocal Glasses Impair Edge‐Contrast Sensitivity and Depth Perception and Increase the Risk of Falls in Older People , 2002, Journal of the American Geriatrics Society.

[105]  S. G. Lee,et al.  Peripheral neuropathy effect on ankle inversion and eversion detection thresholds. , 1995, Archives of physical medicine and rehabilitation.

[106]  Kurt M DeGoede,et al.  Biomechanical simulations of forward fall arrests: effects of upper extremity arrest strategy, gender and aging-related declines in muscle strength. , 2003, Journal of biomechanics.

[107]  Richard R Neptune,et al.  Biomechanics and muscle coordination of human walking: part II: lessons from dynamical simulations and clinical implications. , 2003, Gait & posture.

[108]  Andrew H Hansen,et al.  Roll-over shapes of human locomotor systems: effects of walking speed. , 2004, Clinical biomechanics.

[109]  W S Levine,et al.  An optimal control model for maximum-height human jumping. , 1990, Journal of biomechanics.

[110]  T. Andriacchi,et al.  A study of lower-limb mechanics during stair-climbing. , 1980, The Journal of bone and joint surgery. American volume.