Search Results - "Brach, S."

Anisotropy of the effective toughness of layered media by Brach, S., Hossain, M.Z., Bourdin, B., Bhattacharya, K.

“…This continues the study of the effective toughness of layered materials started in Hossain et al. (2014) and Hsueh et al. (2018), with a focus on anisotropy…”
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The Association of Mobility Determinants and Life Space Among Older Adults by Dunlap, Pamela M, Rosso, Andrea L, Zhu, Xiaonan, Klatt, Brooke N, Brach, Jennifer S

“…It is important to understand the factors associated with life space mobility so that mobility disability can be prevented/treated. The purpose of this study…”
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Prognostic Value of Usual Gait Speed in Well-Functioning Older People-Results from the Health, Aging and Body Composition Study by Cesari, Matteo, Kritchevsky, Stephen B., Penninx, Brenda W. H. J., Nicklas, Barbara J., Simonsick, Eleanor M., Newman, Anne B., Tylavsky, Frances A., Brach, Jennifer S., Satterfield, Suzanne, Bauer, Douglas C., Visser, Marjolein, Rubin, Susan M., Harris, Tamara B., Pahor, Marco

“…Objectives: To define clinically relevant cutpoints for usual gait speed and to investigate their predictive value for health‐related events in older persons…”
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Added Value of Physical Performance Measures in Predicting Adverse Health-Related Events: Results from the Health, Aging and Body Composition Study by Cesari, Matteo, Kritchevsky, Stephen B., Newman, Anne B., Simonsick, Eleanor M., Harris, Tamara B., Penninx, Brenda W., Brach, Jennifer S., Tylavsky, Frances A., Satterfield, Suzanne, Bauer, Doug C., Rubin, Susan M., Visser, Marjolein, Pahor, Marco

“…OBJECTIVES: To determine how three different physical performance measures (PPMs) combine for added utility in predicting adverse health events in elders…”
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Walking Skill Can Be Assessed in Older Adults: Validity of the Figure-of-8 Walk Test by Hess, Rebecca J, Brach, Jennifer S, Piva, Sara R, VanSwearingen, Jessie M

“…The Figure-of-8 Walk Test (F8W) involves straight and curved paths and was designed to represent walking skill in everyday life. The purposes of this study…”
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Physical Activity as a Preventative Factor for Frailty: The Health, Aging, and Body Composition Study by Peterson, Matthew J., Giuliani, Carol, Morey, Miriam C., Pieper, Carl F., Evenson, Kelly R., Mercer, Vicki, Cohen, Harvey J., Visser, Marjolein, Brach, Jennifer S., Kritchevsky, Stephen B., Goodpaster, Bret H., Rubin, Susan, Satterfield, Suzanne, Newman, Anne B., Simonsick, Eleanor M.

“…Background It is unclear if physical activity (PA) can prevent or reverse frailty. We examined different doses and types of PA and their association with the…”
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Age-related changes in gait biomechanics and their impact on the metabolic cost of walking: Report from a National Institute on Aging workshop by Boyer, Katherine A., Hayes, Kate L., Umberger, Brian R., Adamczyk, Peter Gabriel, Bean, Jonathan F., Brach, Jennifer S., Clark, Brian C., Clark, David J., Ferrucci, Luigi, Finley, James, Franz, Jason R., Golightly, Yvonne M., Hortobágyi, Tibor, Hunter, Sandra, Narici, Marco, Nicklas, Barbara, Roberts, Thomas, Sawicki, Gregory, Simonsick, Eleanor, Kent, Jane A.

“…Changes in old age that contribute to the complex issue of an increased metabolic cost of walking (mass-specific energy cost per unit distance traveled) in…”
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Fracture Diodes: Directional Asymmetry of Fracture Toughness by Brodnik, N R, Brach, S, Long, C M, Ravichandran, G, Bourdin, B, Faber, K T, Bhattacharya, K

“…Toughness describes the ability of a material to resist fracture or crack propagation. It is demonstrated here that fracture toughness of a material can be…”
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Validation of a measure of smoothness of walking by Brach, Jennifer S, McGurl, David, Wert, David, Vanswearingen, Jessie M, Perera, Subashan, Cham, Rakie, Studenski, Stephanie

“…Altered biomechanics and/or neural control disrupt the timing of postures and muscle patterns necessary for smooth and regular stepping. Harmonic ratio of…”
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Association Between Improved Mobility and Distal Health Outcomes by Shuman, Valerie, Coyle, Peter C, Perera, Subashan, Van Swearingen, Jessie M, Albert, Steve M, Brach, Jennifer S

“…Abstract Background We examined the association between improved mobility and distal health outcomes in older adults using secondary analysis of data from a…”
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The Association Between Physical Function and Lifestyle Activity and Exercise in the Health, Aging and Body Composition Study by Brach, Jennifer S., Simonsick, Eleanor M., Kritchevsky, Stephen, Yaffe, Kristine, Newman, Anne B.

“…Objectives: To determine whether older adults who exercise demonstrate higher levels of physical function than those who do not exercise but are physically…”
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Gait Variability and the Risk of Incident Mobility Disability in Community-Dwelling Older Adults by Brach, Jennifer S., Studenski, Stephanie A., Perera, Subashan, VanSwearingen, Jessie M., Newman, Anne B.

“…Background. Gait speed is a strong predictor of incident walking disability. The objective was to determine if gait variability adds to the prediction of…”
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The Reliability and Validity of Measures of Gait Variability in Community-Dwelling Older Adults by Brach, Jennifer S., PhD, PT, Perera, Subashan, PhD, Studenski, Stephanie, MD, MPH, Newman, Anne B., MD, MPH

“…Abstract Brach JS, Perera S, Studenski S, Newman AB. The reliability and validity of measures of gait variability in community-dwelling older adults. Objective…”
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The Modified Gait Efficacy Scale: Establishing the Psychometric Properties in Older Adults by Newell, Alaina M, VanSwearingen, Jessie M, Hile, Elizabeth, Brach, Jennifer S

“…Perceived ability or confidence plays an important role in determining function and behavior. The modified Gait Efficacy Scale (mGES) is a 10-item self-report…”
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The impact of testing protocol on recorded gait speed by Sustakoski, Ashley, Perera, Subashan, VanSwearingen, Jessie M, Studenski, Stephanie A, Brach, Jennifer S

“…Highlights • Although gait speed is often measured in clinical practice and research, testing protocols vary widely. • Starting protocol, testing surface, and…”
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Contributions of Cognitive Function to Straight- and Curved-Path Walking in Older Adults by Lowry, Kristin A., PT, PhD, Brach, Jennifer S., PT, PhD, Nebes, Robert D., PhD, Studenski, Stephanie A., MD, MPH, VanSwearingen, Jessie M., PT, PhD

“…Abstract Lowry KA, Brach JS, Nebes RD, Studenski SA, VanSwearingen JM. Contributions of cognitive function to straight- and curved-path walking in older…”
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What Is the Relation Between Fear of Falling and Physical Activity in Older Adults? by Hornyak, Victoria, PT, DPT, Brach, Jennifer S., PhD, PT, Wert, David M., PhD, PT, Hile, Elizabeth, PhD, PT, Studenski, Stephanie, MD, MPH, VanSwearingen, Jessie M., PhD, PT

“…Abstract Objective To describe the association between fear of falling (FOF) and total daily activity in older adults. Design Cross-sectional observational…”
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Meaningful change in measures of gait variability in older adults by Brach, Jennifer S, Perera, Subashan, Studenski, Stephanie, Katz, Mindy, Hall, Charles, Verghese, Joe

“…Abstract Objectives Gait variability is an important indicator of impaired mobility in older adults; however, little is known about the meaning of change in…”
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Challenging the motor control of walking: gait variability during slower and faster pace walking conditions in younger and older adults by Almarwani, Maha, VanSwearingen, Jessie M, Perera, Subashan, Sparto, Patrick J, Brach, Jennifer S

“…Highlights • Gait variability is a measure of motor control of gait. • We examined the impact of challenging walking conditions on gait variability. • Walking…”
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Stance time and step width variability have unique contributing impairments in older persons by Brach, Jennifer S, Studenski, Stephanie, Perera, Subashan, VanSwearingen, Jessie M, Newman, Anne B

“…Abstract Gait variability may have multiple causes. We hypothesized that central nervous system (CNS) impairments would affect motor control and be manifested…”
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