Publications by authors named "C L Zablotny"

Background And Purpose: The Academy of Neurologic Physical Therapy's (ANPT) 2021 Strategic Plan identified development of core competencies for neurologic physical therapy as a priority. The Curricular Competencies Task Force was appointed to establish competencies for entry-level neurologic physical therapist (PT) education to facilitate the delivery of current and consistent content across educational programs.

Summary Of Key Points: A sequential exploratory process was used.

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Background And Purpose: When treating older adults post-hip fracture, physical therapists routinely assess the sit-to-stand (STS) task using observational analysis. Studies have demonstrated that significant movement asymmetries in ground reaction force production of the fractured lower limb persist during STS, even though individuals may rise independently. To date, the validity of therapist judgments of lower limb force during STS has not been addressed.

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In rats, 2-amino-2-methylpropanol (AMP) caused an increase in postimplantation loss in an oral reproductive/developmental toxicity screening assay but not in a dermal developmental toxicity assay. Studies were performed to characterize the mode of action and determine whether the postimplantation loss was a result of direct embryotoxicity or a maternally mediated effect. The studies identified that the postimplantation loss occurs shortly after implantation, has a steep dose response with a clear threshold, requires exposure to AMP for a period of approximately 2-3 weeks prior to gestation and does not involve direct embryo toxicity.

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Life-stage-dependent toxicity and dose-dependent toxicokinetics (TK) were evaluated in Sprague Dawley rats following dietary exposure to 2,4-dichlorophenoxyacetic acid (2,4-D). 2,4-D renal clearance is impacted by dose-dependent saturation of the renal organic anion transporter; thus, this study focused on identifying inflection points of onset of dietary nonlinear TK to inform dose selection decisions for toxicity studies. Male and female rats were fed 2,4-D-fortified diets at doses to 1600 ppm for 4-weeks premating, <2 weeks during mating, and to test day (TD) 71 to parental (P1) males and to P1 females through gestation/lactation to TD 96.

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Article Synopsis
  • A study on 2,4-Dichlorophenoxyacetic acid (2,4-D) in CD rats examined its potential toxicity across various areas, including systemic, reproductive, and developmental effects, using different dosage levels in the diet.
  • The results indicated kidney damage, particularly in high-dose males and females, as the primary toxic effect, with some minor endocrine changes, but no significant reproductive or neurodevelopmental toxicity was observed.
  • The established "No Observed Adverse Effect Level" for systemic toxicity was set at 300 ppm, which is significantly higher than what has been reported in human exposure studies.
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