Search Results - "Ridgel, A L"

Effects of aging on behavior and leg kinematics during locomotion in two species of cockroach by Ridgel, A L, Ritzmann, R E, Schaefer, P L

“…Aging is often associated with locomotor deficits. Behavior in aged Blaberus discoidalis cockroaches was analyzed during horizontal walking, climbing, righting…”
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Encoding of forces by cockroach tibial campaniform sensilla: implications in dynamic control of posture and locomotion by Ridgel, A L, Frazier, S F, DiCaprio, R A, Zill, S N

“…Forces exerted by a leg in support and propulsion can vary considerably when animals stand upon or traverse irregular terrains. We characterized the responses…”
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Load signalling by cockroach trochanteral campaniform sensilla by Zill, Sasha N., Ridgel, Angela L., DiCaprio, Ralph A., Frazier, S.Faith

“…A major problem in sensory motor integration is to delineate how forces acting upon a leg are encoded and regulated in the control of posture and locomotion…”
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A multifaceted exercise intervention did not alter cognitive function and cerebral perfusion in individuals with Parkinson's disease by Pollock, B.S., Peacock, C.A., Ryan, E.J., Spitznagel, M.B., Ridgel, A.L.

“…To investigate cerebral perfusion as a potential mechanism of exercise-related cognitive improvements and to further associate cognition and cerebral perfusion…”
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Dynamic responses of tibial campaniform sensilla studied by substrate displacement in freely moving cockroaches by Ridgel, A L, Frazier, S F, Zill, S N

“…Responses of the tibial campaniform sensilla, receptors that encode strains in the exoskeleton, were characterized by recording sensory activities during…”
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Active Signaling of Leg Loading and Unloading in the Cockroach by Ridgel, Angela L, Frazier, S. Faith, Dicaprio, Ralph A, Zill, Sasha N

“…  1 Department of Anatomy, Cell and Neurobiology, Marshall University School of Medicine, Huntington, West Virginia 25704; and   2 Department of Biological…”
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A randomized trial of individual versus group-format exercise and self-management in individuals with Parkinson's disease and comorbid depression by Sajatovic, Martha, Ridgel, Angela L, Walter, Ellen M, Tatsuoka, Curtis M, Colón-Zimmermann, Kari, Ramsey, Riane K, Welter, Elisabeth, Gunzler, Steven A, Whitney, Christina M, Walter, Benjamin L

“…Depression is common in people with Parkinson's disease (PD), and exercise is known to improve depression and PD. However, lack of motivation and low…”
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Changes in executive function after acute bouts of passive cycling in Parkinson's disease by Ridgel, Angela L, Kim, Chul-Ho, Fickes, Emily J, Muller, Matthew D, Alberts, Jay L

“…Individuals with Parkinson's disease (PD) often experience cognitive declines. Although pharmacologic therapies are helpful in treating motor deficits in PD,…”
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Insights into age-related locomotor declines from studies of insects by Ridgel, Angela L, Ritzmann, Roy E

“…Locomotor deficits frequently accompany aging in animals. These deficits are often caused by degeneration in the nervous and musculoskeletal systems. Insects…”
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Effects of neck and circumoesophageal connective lesions on posture and locomotion in the cockroach by Ridgel, A.L, Ritzmann, R.E

“…Few studies in arthropods have documented to what extent local control centers in the thorax can support locomotion in absence of inputs from head ganglia…”
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Acute effects of passive leg cycling on upper extremity tremor and bradykinesia in Parkinson's disease by Ridgel, Angela L, Muller, Matthew D, Kim, Chul-Ho, Fickes, Emily J, Mera, Thomas O

“…Previous studies have shown that single bouts of high-rate active cycling (> 80 rpm) improve upper extremity motor function in individuals with Parkinson's…”
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Descending control of body attitude in the cockroach Blaberus discoidalis and its role in incline climbing by Ritzmann, R.E, Pollack, A.J, Archinal, J, Ridgel, A.L, Quinn, R.D

“…Unlike intact animals, cockroaches with bilateral circumoesophageal connective lesions have difficulty climbing up smooth inclines. Typically, they slipped…”
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Post-embryonic development of cuticular caps of campaniform sensilla of the cockroach leg: potential implications in scaling force detection by Ridgel, Angela L., Faith Frazier, S., Zill, Sasha N.

“…All animals generate progressively larger forces as they increase in size and mass. Their abilities to detect these forces must be similarly adjusted. In…”
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