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The purpose of this research study was to examine school leaders’ critical perspectives about the nature of their partnerships with K-12 schools and two Educator Preparation Programs (EPP).

Data were collected through interviews with K-12 school leaders to obtain partners’ critical perspectives about school–EPP partnerships. The interviews were coded thematically and oriented around the central concept of working to represent the interplay of the participants and their collaborators’ perceptions of the nature and dimensions of school–EPP partnerships.

The analysis resulted in the construction of a mosaic of school leaders’ collective lived experiences using a statewide conceptual framework as a guide. Four themes emerged from our interviews with school partners: (a) the need for dynamic, responsive and synergistic partnerships; (b) the need to monitor and maintain the underlying structure and integrity of the partnership; (c) the culture of interns as colleagues or as visitors; and (d) the need to innovate.

Four themes emerged from our interviews with school partners: (1) the need for dynamic, responsive and synergistic partnerships; (2) the need to monitor and maintain the underlying structure and integrity of partnerships; (3) the culture of interns as colleagues or interns as visitors; and (4) the need to innovate.

The purpose of this study was to realize finite element simulation in order to dynamically determine the area of the contact, the contact pressure and the strain energy density (identified as a damage function) for three different activities – normal walking, ascending stairs and descending stairs – that could be considered to define the level of the activity of the patient.

The finite element model uses a modern contact mechanism that includes friction between the metallic femoral condyles or femoral head (considered rigid) and the tibial polyethylene insert or acetabular cup (considering a non-linear behaviour).

For all three activities, the finite element analyses were performed, and a damage score was computed. Finally, a cumulative damage score (that accounts for all three activities) was determined, and the areas where the fatigue wear is likely to occur were identified.

A closer look at the distribution of the damage score reveals that the maximum damage is likely to occur not at the contact surface, but in the subsurface.