Research Topics
| J K RichardsonSummaryAffiliation: University of Michigan Country: USA Publications
Research Grants
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Detail Information
Publications
Fibular motor nerve conduction studies and ankle sensorimotor capacitiesJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, 325 East Eisenhower Parkway, Ann Arbor, Michigan 48108, USA
Muscle Nerve 47:497-503. 2013..Nerve conduction studies provide information regarding the status of peripheral nerves, but relationships with sensorimotor capacities that influence mobility have not been defined...- The influence of initial bipedal stance width on the clinical measurement of unipedal balance timeJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan Health Systems, Ann Arbor, MI 48103, USA
PM R 2:254-8. 2010..To determine the effect of varying initial bipedal stance width (ISW) on the clinical measurement of unipedal balance time (UBT)... 
An exploration of step time variability on smooth and irregular surfaces in older persons with neuropathyJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, 325 East Eisenhower Parkway, Ann Arbor, MI 48108, United States
Clin Biomech (Bristol, Avon) 23:349-56. 2008..However the biomechanical necessity, or advantage, of increasing step time variability has not been identified...- Gait analysis in a challenging environment differentiates between fallers and nonfallers among older patients with peripheral neuropathyJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, MI 48108, USA
Arch Phys Med Rehabil 86:1539-44. 2005..To identify differences in gait based on fall history among a group of older subjects with peripheral neuropathy (PN) in 2 environments: standard (SE) (smooth surface, normal lighting) and challenging (CE) (irregular surface, low lighting)... - Peripheral neuropathy: an often-overlooked cause of falls in the elderlyJ K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, Ann Arbor, MI 48109 0042, USA
Postgrad Med 99:161-72. 1996.... - A comparison of gait characteristics between older women with and without peripheral neuropathy in standard and challenging environmentsJames K Richardson
Departments of Physical Medicine and Rehabilitation and Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, USA
J Am Geriatr Soc 52:1532-7. 2004..To compare gait patterns in older women with and without peripheral neuropathy (PN) in standard (smooth surface, normal lighting) and challenging environments (CE) (irregular surface, low lighting)... - Interventions improve gait regularity in patients with peripheral neuropathy while walking on an irregular surface under low lightJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, Michigan 48109, USA
J Am Geriatr Soc 52:510-5. 2004..To determine which, if any, of three inexpensive interventions improve gait regularity in patients with peripheral neuropathy (PN) while walking on an irregular surface under low-light conditions... - The clinical identification of peripheral neuropathy among older personsJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, MPB D5200, Ann Arbor, MI 48109 0718, USA
Arch Phys Med Rehabil 83:1553-8. 2002..To identify simple clinical rules for the detection of a diffuse peripheral neuropathy among older outpatients... - Factors associated with falls in older patients with diffuse polyneuropathyJames K Richardson
University of Michigan Medical Center, Department of Physical Medicine and Rehabilitation, Ann Arbor, Michigan 48109, USA
J Am Geriatr Soc 50:1767-73. 2002..To identify clinical factors associated with falls by older persons with polyneuropathy (PN)... - Gender, body mass and age as risk factors for ulnar mononeuropathy at the elbowJ K Richardson
University of Michigan Medical Center, Department of Physical Medicine and Rehabilitation, MPB D5200, Ann Arbor, Michigan 48109 0718, USA
Muscle Nerve 24:551-4. 2001..3, 95% CI = 1.3-4.2 for BMI < or =22.0 versus >22.0). These findings, in conjunction with gender differences in ulnar motor nerve parameters among UME subjects and controls, suggest that the pathophysiology of UME differs with gender... - A focused exercise regimen improves clinical measures of balance in patients with peripheral neuropathyJ K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, MI 48109 0718, USA
Arch Phys Med Rehabil 82:205-9. 2001..To determine the effect of a specific exercise regimen on clinical measures of postural stability and confidence in a population with peripheral neuropathy (PN)... - Falls and gait characteristics among older persons with peripheral neuropathyTrina K DeMott
Department of Physical Medicine and Rehabilitation, University of Michigan Health Systems, Ann Arbor, Michigan 48108, USA
Am J Phys Med Rehabil 86:125-32. 2007..To prospectively determine the frequency and circumstances of falls in older persons with peripheral neuropathy and to identify gait characteristics on smooth and irregular surfaces associated with falls in this same population... - The relationship between frontal plane gait variability and ankle range of motion in middle-aged and older persons with neuropathySarah E Carter
Department of Physical Medicine and Rehabilitation, University of Michigan Health Systems, Ann Arbor, Michigan, USA
Am J Phys Med Rehabil 88:210-5. 2009.... - Acquired peripheral neuropathyAnita S W Craig
Department of Physical Medicine and Rehabilitation, University of Michigan, 325 E Eisenhower, Ann Arbor, MI 48108, USA
Phys Med Rehabil Clin N Am 14:365-86. 2003.... - Pilot evaluation of a novel clinical test of reaction time in national collegiate athletic association division I football playersJames T Eckner
Department of Physical Medicine, University of Michigan, Ann Arbor, MI 48108, USA
J Athl Train 45:327-32. 2010..Evidence suggests that concussion prolongs reaction time (RT). We have developed a simple, reliable clinical tool for measuring reaction time that may be of value in the assessment of concussion in athletes... - Evaluating a clinical measure of reaction time: an observational studyJames T Eckner
Department of Physical Medicine and Rehabilitation, University of Michigan, 325 E Eisenhower, Suite 100, Ann Arbor, MI 48108, USA
Percept Mot Skills 108:717-20. 2009..RT(clin) increased with increasing age and when tested under dual-task conditions. These preliminary results suggest that RT(clin) is a reliable and valid measure of reaction time... - Frontal plane ankle proprioceptive thresholds and unipedal balanceJaebum Son
Department of Biomedical Engineering, Biomechanical Research Laboratory, University of Michigan, 2350 Hayward St, 3216 G G Brown, Ann Arbor, Michigan 48109, USA
Muscle Nerve 39:150-7. 2009..They therefore provide distinct targets for intervention... - Influence of an irregular surface and low light on the step variability of patients with peripheral neuropathy during level gaitSibylle B Thies
Biomechanics Research Laboratory, Biomedical Engineering, University of Michigan, 3204 G G Brown, 2350 Hayward Street, Ann Arbor, MI 48109 2125, USA
Gait Posture 22:40-5. 2005..We conclude that IL conditions cause PN patients to increase the variability of their step width and other gait parameters... - Effects of surface irregularity and lighting on step variability during gait: a study in healthy young and older womenSibylle B Thies
Biomechanics Research Laboratory, Biomedical Engineering, University of Michigan, 3204 G G Brown, 2350 Hayward Street, Ann Arbor, MI 48109 2125, USA
Gait Posture 22:26-31. 2005..010). We conclude that the irregular surface had a greater effect on the gait variability of healthy OW than on that of healthy YW... - Mild diabetic neuropathy affects ankle motor functionE M Gutierrez
Division of Biomechanics, Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-0042, USA
Clin Biomech (Bristol, Avon) 16:522-8. 2001..Younger women demonstrate similar ankle strength but superior balance recovery compared to older women without neuropathy... - Unipedal stance testing in the assessment of peripheral neuropathyE A Hurvitz
Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, Ann Arbor, MI 48109 0042, USA
Arch Phys Med Rehabil 82:198-204. 2001..To define further the relation between unipedal stance testing and peripheral neuropathy... - Do ankle orthoses improve ankle proprioceptive thresholds or unipedal balance in older persons with peripheral neuropathy?Jaebum Son
Department of Mechanical Engineering, Biomechanical Research Laboratory, University of Michigan, Ann Arbor, MI, USA
Am J Phys Med Rehabil 89:369-75. 2010.... - Cigarette smoking and ulnar mononeuropathy at the elbowJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, USA
Am J Phys Med Rehabil 83:730-4. 2004..CONCLUSIONS: Cigarette smoking and UME seem to be associated. The presence of a plausible mechanism for injury and a dose-response effect suggests that this association may be causative... - A familial predisposition toward lumbar disc injuryJ K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan Medical Center, Ann Arbor, USA
Spine (Phila Pa 1976) 22:1487-92; discussion 1493. 1997..CONCLUSIONS: There is a familial predisposition toward lumbar disc pain and injury. This information may be helpful in occupational counseling or for targeting specific populations with preventative, interventional strategies... - What causes a crossover step when walking on uneven ground? A study in healthy young womenSibylle B Thies
Biomechanics Research Laboratory, University of Michigan, Ann Arbor, MI, USA
Gait Posture 26:156-60. 2007..In some cases, a medial forefoot perturbation can result in a crossover step, an extreme form of a narrow recovery step... 
The nature of the relationship between smoking and ulnar neuropathy at the elbowJames K Richardson
Department of Physical Medicine and Rehabilitation, University of Michigan Health Systems, Ann Arbor, Michigan 48108, USA
Am J Phys Med Rehabil 88:711-8. 2009..To confirm that smoking increases the risk for ulnar neuropathy at the elbow and to investigate potential mechanisms for that increased risk...
Research Grants
- PERIPHERAL NEUROPATHY, SENSORIMOTOR FUNCTIONS & BALANCEJames Richardson; Fiscal Year: 2004..Stratification of the subjects in the first group by the presence of carpal tunnel syndrome and testing the subjects in the second group at 3 and 12 weeks may give insight into the mechanisms responsible for improvement noted. ..