Selected Publications
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article
- Association between performance fatigability and GPS-measured community mobility.. Journal of the American Geriatrics Society. 2024
- Prefrontal cortex activation while walking did not change but gait speed improved after a randomized physical therapy intervention.. Aging clinical and experimental research. 36:-. 2024
- Fear of falling in community-dwelling older adults: What their gait acceleration pattern reveals.. Computer methods and programs in biomedicine. -. 2023
- Association Of Gait Quality with Daily-Life Mobility: An Actigraphy and Global Positioning System Based Analysis in Older Adults.. IEEE transactions on bio-medical engineering. 71:130-138. 2023
- Weekly minutes of moderate to vigorous physical activity is associated with movement quality in overweight and obese older adults, independent of age.. Aging clinical and experimental research. 35:2941-2950. 2023
- Prevalence and Predictors of Ambulatory Care Physicians' Documentation of Mobility Limitations in Older Adults.. Archives of physical medicine and rehabilitation. 104:719-727. 2023
- The Association Between Severity of Radiographic Knee OA and Recurrent Falls in Middle and Older Aged Adults: The Osteoarthritis Initiative.. The journals of gerontology. Series A, Biological sciences and medical sciences. 78:97-103. 2023
- The Inventory of Physical Activity Barriers for Adults 50 Years and Older: Refinement and Validation.. The Gerontologist. 62:e555-e563. 2022
- The Association of Mobility Determinants and Life Space Among Older Adults.. The journals of gerontology. Series A, Biological sciences and medical sciences. 77:2320-2328. 2022
- Knowledge and Use of Evidence-Based Programs for Older Adults in the Community: A Survey of Physical Therapy Professionals.. Journal of geriatric physical therapy (2001). 46:196-206. 2022
- Evaluation of Electronic and Pen-and-Paper Formats of the Inventory of Physical Activity Barriers: A Randomized Crossover Study.. Journal of physical activity & health. 19:540-547. 2022
- The Live Long Walk Strong Rehabilitation Program Study: Design and Methods.. Archives of rehabilitation research and clinical translation. 4:-. 2022
- Effect of Timing and Coordination Training on Mobility and Physical Activity Among Community-Dwelling Older Adults: A Randomized Clinical Trial.. JAMA network open. 5:-. 2022
- Physical Activity and Physical Activity Participation Barriers Among Adults 50 Years and Older During the COVID-19 Pandemic.. American journal of physical medicine & rehabilitation. 101:809-815. 2022
- Associations of components of sarcopenia with risk of fracture in the Osteoporotic Fractures in Men (MrOS) study.. Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA. 33:1815-1821. 2022
- Exploring Race Differences in Satisfaction With Rehabilitation Following Total Knee Arthroplasty: A Qualitative Study.. The journals of gerontology. Series A, Biological sciences and medical sciences. 77:e48-e55. 2022
- Physical Therapists and Physical Therapist Assistants' Knowledge and Use of the STEADI for Falls Risk Screening of Older Adults in Physical Therapy Practice in the United States.. International journal of environmental research and public health. 19. 2022
- Dissemination and Implementation of Evidence-Based Falls Prevention Programs: Reach and Effectiveness.. The journals of gerontology. Series A, Biological sciences and medical sciences. 77:164-171. 2022
- Race Differences in Postacute Physical Therapy Utilization and Patient-Reported Function After Total Knee Arthroplasty.. Arthritis care & research. 74:79-88. 2021
- Mobility of Older Adults: Gait Quality Measures Are Associated With Life-Space Assessment Scores.. The journals of gerontology. Series A, Biological sciences and medical sciences. 76:e299-e306. 2021
- Physical Therapists as Partners for Community Fall Risk Screenings and Referrals to Community Programs.. Frontiers in public health. -. 2021
- Bidirectional associations of accelerometer-derived physical activity and stationary behavior with self-reported mental and physical health during midlife.. The international journal of behavioral nutrition and physical activity. 18:-. 2021
- Evaluating the Feasibility and Effects of a Short-Term Task Specific Power Training With and Without Cognitive Training Among Older Adults With Slow Gait Speed: A Pilot Study.. Archives of rehabilitation research and clinical translation. 3:-. 2021
- Clinical-Community Connections: Incorporating Evidence-Based Programs for Improved Patient Outcomes.. Topics in geriatric rehabilitation. 37:163-167. 2021
- Association Between Improved Mobility and Distal Health Outcomes.. The journals of gerontology. Series A, Biological sciences and medical sciences. 75:2412-2417. 2020
- Development and Validation of Person-Centered Cut-Points for the Figure-of-8-Walk Test of Mobility in Community-Dwelling Older Adults.. The journals of gerontology. Series A, Biological sciences and medical sciences. 75:2404-2411. 2020
- Sit Less for Successful Aging Pilot Study: Feasibility of an Intervention to Reduce Sedentary Time in Older Adults in Independent Living Communities.. Cardiopulmonary physical therapy journal. 31:142-151. 2020
- Personal and Environmental Contributors to Sedentary Behavior of Older Adults in Independent and Assisted Living Facilities.. International journal of environmental research and public health. 17. 2020
- Potential long-term impact of "On The Move" group-exercise program on falls and healthcare utilization in older adults: an exploratory analysis of a randomized controlled trial.. BMC geriatrics. 20:-. 2020
- Psychometric properties of instrumented postural sway measures recorded in community settings in independent living older adults.. BMC geriatrics. 20:-. 2020
- Assessing gait efficacy in older adults: An analysis using item response theory.. Gait & posture. 118-124. 2020
- Program to improve mobility in aging (PRIMA) study: Methods and rationale of a task-oriented motor learning exercise program.. Contemporary clinical trials. -. 2019
- Associations of Usual Pace and Complex Task Gait Speeds With Incident Mobility Disability.. Journal of the American Geriatrics Society. 67:2072-2076. 2019
- Exercise-Based Interventions to Enhance Long-Term Sustainability of Physical Activity in Older Adults: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.. International journal of environmental research and public health. 16. 2019
- Effect of Community-Based Group Exercise Interventions on Standing Balance and Strength in Independent Living Older Adults.. Journal of geriatric physical therapy (2001). 42:E7-E15. 2019
- Intraclass Correlation Coefficients for Planning Cluster Randomized Trials in Community-Dwelling Older Adults.. Journal of aging and health. 32:252-258. 2018
- Accuracy and Acceptability of Commercial-Grade Physical Activity Monitors in Older Adults.. Journal of aging and physical activity. 27:222-229. 2018
- Working to Increase Stability through Exercise (WISE): Study protocol for a pragmatic randomized controlled trial of a coached exercise program to reduce serious fall-related injuries.. Contemporary clinical trials. 1-10. 2018
- Accuracy of Objective Physical Activity Monitors in Measuring Steps in Older Adults.. Gerontology & geriatric medicine. -. 2018
- The Role of the Environment on Sedentary Behavior in Community-Dwelling Older Adults.. Journal of housing for the elderly. 33:31-40. 2018
- Motor Control-based Group Exercise: Can It be Delivered as Effectively by Lay Leaders?. Translational journal of the American College of Sports Medicine. 3:19-27. 2018
- The Effect of Auditory Cueing on the Spatial and Temporal Gait Coordination in Healthy Adults.. Journal of motor behavior. 51:25-31. 2017
- Effectiveness of a Timing and Coordination Group Exercise Program to Improve Mobility in Community-Dwelling Older Adults: A Randomized Clinical Trial.. JAMA internal medicine. 177:1437-1444. 2017
- Contributors to Poor Mobility in Older Adults: Integrating White Matter Hyperintensities and Conditions Affecting Other Systems.. The journals of gerontology. Series A, Biological sciences and medical sciences. 72:1246-1251. 2017
- Balance and Mobility in Community-Dwelling Older Adults: Effect of Daytime Sleepiness.. Journal of the American Geriatrics Society. 65:1019-1025. 2016
- Most suitable mother wavelet for the analysis of fractal properties of stride interval time series via the average wavelet coefficient method.. Computers in biology and medicine. 175-184. 2016
- Reducing Sedentary Behavior Versus Increasing Moderate-to-Vigorous Intensity Physical Activity in Older Adults.. Journal of aging and health. 29:247-267. 2016
- Challenging the motor control of walking: Gait variability during slower and faster pace walking conditions in younger and older adults.. Archives of gerontology and geriatrics. 54-61. 2016
- Stakeholder involvement in the design of a patient-centered comparative effectiveness trial of the "On the Move" group exercise program in community-dwelling older adults.. Contemporary clinical trials. 135-42. 2016
- Assessing interactions among multiple physiological systems during walking outside a laboratory: An Android based gait monitor.. Computer methods and programs in biomedicine. 122:450-61. 2015
- Extraction of stride events from gait accelerometry during treadmill walking.. IEEE journal of translational engineering in health and medicine. 2015
- Physical Activity and Change in Long Distance Corridor Walk Performance in the Health, Aging, and Body Composition Study.. Journal of the American Geriatrics Society. 63:1348-54. 2015
- Straight and Curved Path Walking Among Older Adults in Primary Care: Associations With Fall-Related Outcomes.. PM & R : the journal of injury, function, and rehabilitation. 8:754-60. 2015
- The test-retest reliability and minimal detectable change of spatial and temporal gait variability during usual over-ground walking for younger and older adults.. Gait & posture. 94-9. 2015
- Translation of a Motor Learning Walking Rehabilitation Program Into a Group-Based Exercise Program for Community-Dwelling Older Adults.. PM & R : the journal of injury, function, and rehabilitation. 8:520-8. 2015
- Understanding the effects of pre-processing on extracted signal features from gait accelerometry signals.. Computers in biology and medicine. 164-74. 2015
- Higher step length variability indicates lower gray matter integrity of selected regions in older adults.. Gait & posture. 40:225-30. 2014
- Improving motor control in walking: a randomized clinical trial in older adults with subclinical walking difficulty.. Archives of physical medicine and rehabilitation. 96:388-94. 2014
- The Test-Retest Reliability of Indirect Calorimetry Measures of Energy Expenditure During Overground Walking in Older Adults With Mobility Limitations.. Journal of aging and physical activity. 23:346-51. 2014
- The impact of testing protocol on recorded gait speed.. Gait & posture. 41:329-31. 2014
- A comparative analysis of spectral exponent estimation techniques for 1/f(β) processes with applications to the analysis of stride interval time series.. Journal of neuroscience methods. 118-30. 2013
- A comparison of straight- and curved-path walking tests among mobility-limited older adults.. The journals of gerontology. Series A, Biological sciences and medical sciences. 68:1532-9. 2013
- A comprehensive assessment of gait accelerometry signals in time, frequency and time-frequency domains.. IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society. 22:603-12. 2013
- Daily spousal influence on physical activity in knee osteoarthritis.. Annals of behavioral medicine : a publication of the Society of Behavioral Medicine. 45:213-23. 2013
- Harmonic ratios: a quantification of step to step symmetry.. Journal of biomechanics. 46:828-31. 2013
- Interventions to Improve Walking in Older Adults.. Current translational geriatrics and experimental gerontology reports. 2. 2013
- Motor learning versus standard walking exercise in older adults with subclinical gait dysfunction: a randomized clinical trial.. Journal of the American Geriatrics Society. 61:1879-86. 2013
- The association between energy cost of walking and physical function in older adults.. Archives of gerontology and geriatrics. 57:198-203. 2013
- Walking smoothness is associated with self-reported function after accounting for gait speed.. The journals of gerontology. Series A, Biological sciences and medical sciences. 68:1286-90. 2013
- What is the relation between fear of falling and physical activity in older adults?. Archives of physical medicine and rehabilitation. 94:2529-2534. 2013
- White matter hyperintensities, exercise, and improvement in gait speed: does type of gait rehabilitation matter?. Journal of the American Geriatrics Society. 61:686-93. 2013
- Contributions of cognitive function to straight- and curved-path walking in older adults.. Archives of physical medicine and rehabilitation. 93:802-7. 2012
- Interpreting the need for initial support to perform tandem stance tests of balance.. Physical therapy. 92:1316-28. 2012
- Perceived effort of walking: relationship with gait, physical function and activity, fear of falling, and confidence in walking in older adults with mobility limitations.. Physical therapy. 92:1268-77. 2012
- Translating the fall prevention recommendations into a covered service: can it be done, and who should do it?. Annals of internal medicine. 157:213-4. 2012
- Use of stance time variability for predicting mobility disability in community-dwelling older persons: a prospective study.. Journal of geriatric physical therapy (2001). 35:112-7. 2012
- Transitioning to a narrow path: the impact of fear of falling in older adults.. Gait & posture. 35:92-5. 2011
- Activity energy expenditure and incident cognitive impairment in older adults.. Archives of internal medicine. 171:1251-7. 2011
- Association of body mass index with self-report and performance-based measures of balance and mobility.. Physical therapy. 91:1223-34. 2011
- Challenging gait conditions predict 1-year decline in gait speed in older adults with apparently normal gait.. Physical therapy. 91:1857-64. 2011
- Gait speed and survival in older adults.. JAMA. 305:50-8. 2011
- Impact of exercise to improve gait efficiency on activity and participation in older adults with mobility limitations: a randomized controlled trial.. Physical therapy. 91:1740-51. 2011
- The Influence of Body Mass Index on Self-report and Performance-based Measures of Physical Function in Adult Women.. Cardiopulmonary physical therapy journal. 22:11-20. 2011
- The modified Gait Efficacy Scale: establishing the psychometric properties in older adults.. Physical therapy. 92:318-28. 2011
- Characteristics of walking, activity, fear of falling, and falls in community-dwelling older adults by residence.. Journal of geriatric physical therapy (2001). 33:41-5. 2010
- Gait biomechanics, spatial and temporal characteristics, and the energy cost of walking in older adults with impaired mobility.. Physical therapy. 90:977-85. 2010
- Interruption of physical activity because of illness in the Lifestyle Interventions and Independence for Elders Pilot trial.. Journal of aging and physical activity. 18:61-74. 2010
- Invited commentary.. Physical therapy. 90:774-5. 2010
- Mechanical vs manual manipulation for low back pain: an observational cohort study.. Journal of manipulative and physiological therapeutics. 33:193-200. 2010
- Physical performance and a test of gaze stabilization in older adults.. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. 31:168-72. 2010
- Validation of a measure of smoothness of walking.. The journals of gerontology. Series A, Biological sciences and medical sciences. 66:136-41. 2010
- Walking in old age and development of metabolic syndrome: the health, aging, and body composition study.. Metabolic syndrome and related disorders. 8:317-22. 2010
- Physical activity as a preventative factor for frailty: the health, aging, and body composition study.. The journals of gerontology. Series A, Biological sciences and medical sciences. 64:61-8. 2009
- A randomized trial of two forms of therapeutic activity to improve walking: effect on the energy cost of walking.. The journals of gerontology. Series A, Biological sciences and medical sciences. 64:1190-8. 2009
- Added value of physical performance measures in predicting adverse health-related events: results from the Health, Aging And Body Composition Study.. Journal of the American Geriatrics Society. 57:251-9. 2009
- Meaningful change in measures of gait variability in older adults.. Gait & posture. 31:175-9. 2009
- Patient participation and physical activity during rehabilitation and future functional outcomes in patients after hip fracture.. Archives of physical medicine and rehabilitation. 90:618-22. 2009
- Walking skill can be assessed in older adults: validity of the Figure-of-8 Walk Test.. Physical therapy. 90:89-99. 2009
- Diabetes mellitus and gait dysfunction: possible explanatory factors.. Physical therapy. 88:1365-74. 2008
- Gait speed and step-count monitor accuracy in community-dwelling older adults.. Medicine and science in sports and exercise. 40:59-64. 2008
- Gait variability in older adults: observational rating validated by comparison with a computerized walkway gold standard.. Physical therapy. 88:1146-53. 2008
- Impact of health perception, balance perception, fall history, balance performance, and gait speed on walking activity in older adults.. Physical therapy. 88:1474-81. 2008
- Incident physical disability in people with lower extremity peripheral arterial disease: the role of cardiovascular disease.. Journal of the American Geriatrics Society. 56:1037-44. 2008
- Self-reported low physical function is associated with diabetes mellitus and insulin resistance in HIV-positive and HIV-negative men.. Future HIV therapy. 2:539-549. 2008
- Special article: gait measures indicate underlying focal gray matter atrophy in the brain of older adults.. The journals of gerontology. Series A, Biological sciences and medical sciences. 63:1380-8. 2008
- Spinal palpation for lumbar segmental mobility and pain provocation: an interexaminer reliability study.. Journal of manipulative and physiological therapeutics. 31:465-73. 2008
- The reliability and validity of measures of gait variability in community-dwelling older adults.. Archives of physical medicine and rehabilitation. 89:2293-6. 2008
- Gait variability and the risk of incident mobility disability in community-dwelling older adults.. The journals of gerontology. Series A, Biological sciences and medical sciences. 62:983-8. 2007
- Gait variability is associated with subclinical brain vascular abnormalities in high-functioning older adults.. Neuroepidemiology. 29:193-200. 2007
- Lifestyle factors and incident mobility limitation in obese and non-obese older adults.. Obesity (Silver Spring, Md.). 15:3122-32. 2007
- Physical activity and gallbladder disease determined by ultrasonography.. Medicine and science in sports and exercise. 39:1927-32. 2007
- Stance time and step width variability have unique contributing impairments in older persons.. Gait & posture. 27:431-9. 2007
- Association of long-distance corridor walk performance with mortality, cardiovascular disease, mobility limitation, and disability.. JAMA. 295:2018-26. 2006
- Concordance and discordance between two measures of lower extremity function: 400 meter self-paced walk and SPPB.. Aging clinical and experimental research. 18:100-6. 2006
- Dog ownership, walking behavior, and maintained mobility in late life.. Journal of the American Geriatrics Society. 54:1419-24. 2006
- Influence of marital status on physical activity levels among older adults.. Medicine and science in sports and exercise. 38:541-6. 2006
- Relationships among body composition measures in community-dwelling older women.. Obesity (Silver Spring, Md.). 14:244-51. 2006
- Using activity monitors to measure physical activity in free-living conditions.. Physical therapy. 86:1137-45. 2006
- Association between physical and cognitive function in healthy elderly: the health, aging and body composition study.. Neuroepidemiology. 24:8-14. 2005
- Objective measures of neighborhood environment and physical activity in older women.. American journal of preventive medicine. 28:461-9. 2005
- Physical activity and decreased risk of clinical gallstone disease among post-menopausal women.. Preventive medicine. 41:772-7. 2005
- Prognostic value of usual gait speed in well-functioning older people--results from the Health, Aging and Body Composition Study.. Journal of the American Geriatrics Society. 53:1675-80. 2005
- Quantitative measures of gait characteristics indicate prevalence of underlying subclinical structural brain abnormalities in high-functioning older adults.. Neuroepidemiology. 26:52-60. 2005
- Skeletal muscle fatigue, strength, and quality in the elderly: the Health ABC Study.. Journal of applied physiology (Bethesda, Md. : 1985). 99:210-6. 2005
- Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed.. Journal of neuroengineering and rehabilitation. -. 2005
- Type and intensity of activity and risk of mobility limitation: the mediating role of muscle parameters.. Journal of the American Geriatrics Society. 53:762-70. 2005
- Physical activity, exercise, and inflammatory markers in older adults: findings from the Health, Aging and Body Composition Study.. Journal of the American Geriatrics Society. 52:1098-104. 2004
- The association between physical function and lifestyle activity and exercise in the health, aging and body composition study.. Journal of the American Geriatrics Society. 52:502-9. 2004
- The relationship among physical activity, obesity, and physical function in community-dwelling older women.. Preventive medicine. 39:74-80. 2004
- Use of self-report to predict ability to walk 400 meters in mobility-limited older adults.. Journal of the American Geriatrics Society. 52:2099-103. 2004
- Validity of a questionnaire to assess historical physical activity in older women.. Medicine and science in sports and exercise. 36:2082-7. 2004
- Changes in facial movement and synkinesis with facial neuromuscular reeducation.. Plastic and reconstructive surgery. 111:2370-5. 2003
- Physical activity and functional status in community-dwelling older women: a 14-year prospective study.. Archives of internal medicine. 163:2565-71. 2003
- The relationship between convenience of destinations and walking levels in older women.. American journal of health promotion : AJHP. 18:74-82. 2003
- Identifying early decline of physical function in community-dwelling older women: performance-based and self-report measures.. Physical therapy. 82:320-8. 2002
- Physical impairment and disability: relationship to performance of activities of daily living in community-dwelling older men.. Physical therapy. 82:752-61. 2002
- A new approach of measuring muscle impairment during a functional task: quadriceps muscle activity recorded during chair stand.. The journals of gerontology. Series A, Biological sciences and medical sciences. 56:M767-70. 2001
- Gait variability in community-dwelling older adults.. Journal of the American Geriatrics Society. 49:1646-50. 2001
- Gender gap in longevity and disability in older persons.. Epidemiologic reviews. 23:343-50. 2001
- Making geriatric assessment work: selecting useful measures.. Physical therapy. 81:1233-52. 2001
- Not all facial paralysis is Bell's palsy: a case report.. Archives of physical medicine and rehabilitation. 80:857-9. 1999
- Physical therapy for facial paralysis: a tailored treatment approach.. Physical therapy. 79:397-404. 1999
- Validation of a treatment-based classification system for individuals with facial neuromotor disorders.. Physical therapy. 78:678-89. 1998
- Facial neuromuscular retraining for oral synkinesis.. Plastic and reconstructive surgery. 99:1922-31; discussion 1932-3. 1997
- Impairment and disability in patients with facial neuromuscular dysfunction.. Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery. 117:315-21. 1997
- The Facial Disability Index: reliability and validity of a disability assessment instrument for disorders of the facial neuromuscular system.. Physical therapy. 76:1288-98; discussion 1298-300. 1996
- Measuring fatigue related to facial muscle function.. Archives of physical medicine and rehabilitation. 76:905-8. 1995