Search Results - "Baratta, R.V"

Frequency-dependent changes in neuromuscular responses to cyclic lumbar flexion by Lu, Dawei, Solomonow, Moshe, Zhou, B., Baratta, R.V., Li, Li

“…Repetitive lifting in the workplace has been identified to be a cause of low back disorders. Epidemiologic data further supports an hypothesis that higher…”
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Muscular dysfunction elicited by creep of lumbar viscoelastic tissue by Solomonow, M., Baratta, R.V., Zhou, B.-H., Burger, E., Zieske, A., Gedalia, A.

“…The biomechanics, histology and electromyography of the lumbar viscoelastic tissues and multifidus muscles of the in vivo feline were investigated during 20…”
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Biomechanics and electromyography of a cumulative lumbar disorder: response to static flexion by Solomonow, M., Zhou, B.-H., Baratta, R.V., Burger, E.

“…Objective. To assess the mechanical and neurological processes active in the development of a cumulative trauma disorder (CTD) associated with repetitive…”
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Ligamento-muscular protective reflex in the lumbar spine of the feline by Stubbs, M, Harris, M, Solomonow, M, Zhou, B, Lu, Y, Baratta, R.V

“…A ligamento-muscular protective reflex in the lumbar spine was demonstrated in a feline model. Stimulating electrodes were applied to the supraspinous ligament…”
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Methods to reduce the variability of EMG power spectrum estimates by Baratta, R.V, Solomonow, M, Zhou, B.-H, Zhu, M

“…Three methods that can significantly reduce the variability of the EMG power density spectrum (PDS) variable by eliminating artifactual components are…”
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Neuromuscular disorders associated with static lumbar flexion: a feline model by Solomonow, M, Zhou, B, Baratta, R.V, Zhu, M, Lu, Y

“…Static flexion of the lumbar spine with constant load applied to the viscoelastic structures for 20 minutes and for 50 minutes resulted in development of…”
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Damage to rabbit femoral articular cartilage following direct impacts of uniform stresses: an in vitro study by Zhang, H., Vrahas, M.S., Baratta, R.V., Rosler, D.M.

“…Objective. To determine the acute gross and histologic damage resulting to femoral cartilage from an in vitro direct impact of uniform stress. Design. Gross…”
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Characterization of load–length–velocity relationships of nine different skeletal muscles by Baratta, R.V, Solomonow, M, Nguyen, G, D'Ambrosia, R

“…A three-dimensional characterization of muscle load, length and velocity was obtained from nine muscles in the cat's hind limb through contractions where the…”
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Frequency domain-based models of skeletal muscle by Baratta, R.V., Solomonow, M., Zhou, B.-H.

“…Models of skeletal muscle based on its response to sinusoidal stimulation have been in use since the late 1960s. In these methods, cyclic excitation at varying…”
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Evaluation of antagonist coactivation strategies elicited from electrically stimulated muscles under load-moving conditions by Bing-He Zhou, Katz, S.R., Baratta, R.V., Solomonow, M., D'Ambrosia, R.D.

“…Muscle coactivation strategies that produce ankle dorsiflexion and plantar flexion were elicited by electrical stimulation of the tibialis anterior (TA) and…”
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Evaluation of isometric antagonist coactivation strategies of electrically stimulated muscles by Bing He Zhou, Baratta, R.V., Solomonow, M., Olivier, L.J., Nguyen, G.T., D'Ambrosia, R.D.

“…The performance of various coactivation strategies to control agonist-antagonist muscles in functional electrical stimulation (FES) applications was examined…”
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Myoelectric and mechanical changes elicited by ischemic preconditioning in the feline hindlimb by Phillips, D.J., Petrie, S.G., Zhou, B.-H., Guanche, C.A., Baratta, R.V.

“…Tourniquet use is fraught with potential complications. For example, ischemia produced by the tourniquet may lead to nerve and muscle injuries. One technique…”
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The influence of antagonist muscle control strategies on the isometric frequency response of the cat's ankle joint by Goodwin, A., Bing-He Zhou, Baratta, R.V., Solomonow, M., Keegan, A.P.

“…This study investigated the effect of various strategies to control the interaction between agonist and antagonist muscles on the frequency response of the…”
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Open-loop tracking performance of a limb joint controlled by random, periodic, and abrupt electrical stimulation inputs to the antagonist muscle pair by Bing-He Zhou, Baratta, R.V., Solomonov, M., Matsushita, N., D'Ambrosia, R.D.

“…The ability of the cat's ankle joint to track various input signals when controlled by electrically elicited motor unit recruitment, firing rate and antagonist…”
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Force, velocity and energy dynamics of nine load-moving muscles by Baratta, R.V., Solomonow, M., Best, R., D'Ambrosia, R.

“…Nine architecturally different muscles of the cat's hindlimb were investigated with respect to the kinetic energy, the potential energy, and the force…”
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The dynamic response of the cat ankle joint during load-moving contractions by Bing He Zhou, Baratta, R.V., Solomonow, M., D'Ambrosia, R.D.

“…The dynamic response of the cat's ankle joint during load-moving activation of the medial gastrocnemius was determined. Sinusoidal-input oscillations of ankle…”
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In vivo study of post-traumatic arthritis in rabbit knees by Rosier, D.M., Baratta, R.V., Vrahas, M.S., Solomonow, M., Zhang Hong

“…The purposes of this study were to determine a threshold force for which the post-traumatic arthritis of a joint is inevitable and to produce a viable model…”
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Evaluation of electrically elicited antagonist coactivation strategies. I. Isometric contractions by Baratta, R.V., Zhou, B.-H., Solomonow, M.

“…Generally, applications of functional electrical stimulation to paralyzed limbs have involved the agonist prime mover without much emphasis on the role of the…”
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Energy dynamics of skeletal muscle during load moving contracmons by Baratta, R.V., Solomonow, M., D'Ambrosia, R.D.

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Evaluation of electrically elicited antagonist coactivation strategies. II. Load-moving contractions by Zhou, B.-H., Katz, S.R., Baratta, R.V., Solomonow, M.

“…For pt. I see ibid., p. 1159-60 (1995). Generally, applications of functional electrical stimulation to paralyzed limbs have involved the agonist prime mover…”
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