Search Results - "Lehmann, J F"

Comprehensive analysis of energy storing prosthetic feet: Flex Foot and Seattle Foot Versus Standard SACH foot by Lehmann, J F, Price, R, Boswell-Bessette, S, Dralle, A, Questad, K, deLateur, B J

“…This study compared the mechanical and biomechanical functions, metabolic demand, and shock absorption of two dynamic elastic response (DER) prosthetic foot…”
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Comprehensive analysis of dynamic elastic response feet: Seattle Ankle/Lite Foot versus SACH foot by Lehmann, J F, Price, R, Boswell-Bessette, S, Dralle, A, Questad, K

“…This study evaluated biomechanical and metabolic performance differences between two prosthetic foot designs in light of their mechanical properties. Ten…”
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Mass and mass distribution of below-knee prostheses: effect on gait efficacy and self-selected walking speed by Lehmann, J F, Price, R, Okumura, R, Questad, K, de Lateur, B J, Négretot, A

“…To study mass and mass distribution effect on function of below-knee prostheses. Design modifications were done to produce proximal center of mass location…”
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The stretch reflex response in the normal and spastic ankle: effect of ankle position by Meinders, M, Price, R, Lehmann, J F, Questad, K A

“…The influence of stretch of the gastrocnemiussoleus muscle on the stretch reflex activity was studied, by varying the ankle angle in steps from 10 degrees of…”
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Gait abnormalities in hemiplegia: their correction by ankle-foot orthoses by Lehmann, J F, Condon, S M, Price, R, deLateur, B J

“…Hemiparetic gait is characterized by slow speed and poorly coordinated movements. Because the values of gait parameters vary with changes in speed, the slow…”
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Quantitative evaluation of sway as an indicator of functional balance in post-traumatic brain injury by Lehmann, J F, Boswell, S, Price, R, Burleigh, A, deLateur, B J, Jaffe, K M, Hertling, D

“…The test of sway, using different conditions of stance with measurements of the average radial deviation of the center of pressure and its path length of sway…”
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Push-off and propulsion of the body in normal and abnormal gait. Correction by ankle-foot orthoses by Lehmann, J F

“…The biomechanics of push-off and propulsion are described as part of normal gait. Deviations from a normal gait pattern, as well as secondary complications,…”
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Influence of muscle cooling on the viscoelastic response of the human ankle to sinusoidal displacements by Price, R, Lehmann, J F

“…The changes in passive mechanical muscle properties due to cooling of the calf in healthy human volunteers were investigated. The technique, using sinusoidal…”
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Quantitative measurement of spasticity in children with cerebral palsy by Price, R, Bjornson, K F, Lehmann, J F, McLaughlin, J F, Hays, R M

“…Spasticity was quantified in nine children with spastic diplegia, using a sinusoidal displacement of the foot at frequencies from 3 to 12Hz. Ankle-joint…”
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The quantitative measurement of spasticity: effect of cutaneous electrical stimulation by Seib, T P, Price, R, Reyes, M R, Lehmann, J F

“…The goal of this research was to determine if cutaneous electrotherapy would temporarily reduce muscle spasticity. Five traumatically brain injured (TBI) and…”
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Spasticity: quantitative measurements as a basis for assessing effectiveness of therapeutic intervention by Lehmann, J F, Price, R, deLateur, B J, Hinderer, S, Traynor, C

“…Spasticity, a common problem in upper motor neuron lesions, frequently results in uncontrolled involuntary motion that interferes with function. A quantifiable…”
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Influence of cryotherapy on spasticity at the human ankle by Price, R, Lehmann, J F, Boswell-Bessette, S, Burleigh, A, deLateur, B J

“…The application of cryotherapy to temporarily reduce spasticity is a widespread clinical practice. A method of quantifying spasticity, based on viscoelastic…”
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Footwear and posture. Compensatory strategies for heel height by de Lateur, B J, Giaconi, R M, Questad, K, Ko, M, Lehmann, J F

“…The belief that wearing high-heeled shoes increases lumbar lordosis is firmly ingrained in clinical folklore. Proponents of negative heel footwear argue that…”
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Effect of lower limb on body propulsion by Dillingham, T R, Lehmann, J F, Price, R

“…The purpose of this study was to analyze and compare the effects of the leg during swing and stance phases of forward propulsion of the body for both men and…”
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Biomechanics of ankle-foot orthoses: prescription and design by Lehmann, J F

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Rehabilitation medicine: past, present and future by Lehmann, J F

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Local muscle blood flow and temperature responses to 915MHz diathermy as simultaneously measured and numerically predicted by Sekins, K M, Lehmann, J F, Esselman, P, Dundore, D, Emery, A F, deLateur, B J, Nelp, W B

“…The therapeutic benefits of diathermy are tied to the relationship thought to exist between tissue temperature and augmented blood flow (BF). To further define…”
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Gait abnormalities in tibial nerve paralysis: a biomechanical study by Lehmann, J F, Condon, S M, de Lateur, B J, Smith, J C

“…Gastrocnemius-soleus dysfunction is a frequent result of cauda equina lesions and peripheral neurophathies and of stroke and brain injury. Temporary tibial…”
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Gait abnormalities in peroneal nerve paralysis and their corrections by orthoses: a biomechanical study by Lehmann, J F, Condon, S M, de Lateur, B J, Price, R

“…Stroke, brain injury, incomplete spinal cord injuries, and peripheral neuropathies frequently result in dysfunction of the foot dorsiflexors and evertors. A…”
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Plastic ankle-foot orthoses: evaluation of function by Lehmann, J F, Esselman, P C, Ko, M J, Smith, J C, deLateur, B J, Dralle, A J

“…Plastic ankle-foot orthoses (PAFOs) are worn by persons with hemiplegia to correct gait abnormalities such as foot drop during swing and insufficient pushoff…”
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