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A Low-Cost Microprocessor-Controlled Stance-Control Knee Orthosis for Pediatric Mobility Impairments
Get PDFKnee-ankle-foot orthoses (KAFOs) are commonly prescribed for individuals with knee instability or quadriceps weakness resulting from a variety of conditions such as spinal cord injury, stroke, spina bifida, and cerebral palsy. A locking KAFO fixes the leg fully straight and is the most prescribed orthotic intervention for these conditions. However, the functional benefits of lower extremity orthoses are maximally realized in stance-controlled knee-ankle-foot orthoses (SC-KAFOs) which allow free knee motion during swing but lock during stance. Existing SC-KAFO options are generally unreliable or expensive, and thus an unmet need exists for a reliable, versatile orthosis which can be manufactured at relatively low cost. The SC-KO team is working to meet this need by developing an intelligent stance-controlled knee orthotic with an any-angle locking mechanism controlled by a microprocessor based on information received from onboard inertial gait-phase sensing. The resulting device will allow for reliable knee locking for support during the stance phase, easy unlocking even under load for the free swing phase, and predictable, safe behavior on stairs and uneven terrain. The system is being developed as a knee-only orthosis but can be adapted for a full knee-ankle-foot orthosis, with ankle support being prescribed as needed. The first system developed will be configured for pediatric use to address mobility impairments arising from cerebral palsy and spina bifida with CURE Ethiopia serving as the clinical partner for the development and testing.
Funding for this work provided by The Collaboratory for Strategic Partnerships and Applied Research.https://mosaic.messiah.edu/engr2022/1017/thumbnail.jp
SkinSafe: Comparing Staphylococcus aureus Growth Across Liner Types in Kenya
Get PDFThe interface between an amputee’s residual limb and prosthetic liner is at risk for high levels of bacterial growth which can lead to infection. Silicone liners have the advantage of patient comfort, but they may have a sealing effect that could exacerbate bacterial growth, which is particularly a concern in places lacking clean water such as Kijabe, Kenya. To investigate this concern, the SkinSafe team has conducted a prosthetic liner study using a bacterial skin model which suspends a liner and a layer of agar above a self-regulating heat and water source to capture the dynamic behavior of the skin–liner interface. Staphylococcus aureus was grown on this model using three different liners: the Ossur Iceross silicone liner, the Namaste silicone liner, and the sock–EVA liner. Final growth concentrations will be compared between the three liner types to determine whether silicone liners require additional hygiene protocols for use in Kenya.
Funding for this work provided by The Collaboratory for Strategic Partnerships and Applied Research.https://mosaic.messiah.edu/engr2022/1015/thumbnail.jp
Prosthetic Knee for CURE Kenya: Design and Manufacturing
Get PDFThe Prosthetic Knee team is partnered with the CURE International Hospital in Kijabe, Kenya. In the region surrounding our client’s facility, there is a large number of lower-extremity amputations due to various infections and diseases. Often, these patients choose to undergo a more invasive transfemoral amputation to enable them to use a less expensive above-knee prosthesis. The goal of the project is to present the orthopedic workshop at CURE with a manufacturable prosthetic knee design in May of 2023 that provides through-knee amputee patients with a more affordable, aesthetically pleasing, and lightweight prosthetic option, thereby removing the need to undergo an additional amputation above the knee. The poster presents the overarching elements of the prosthetic design in addition to the recently integrated locking and damping components, which aid in the functionality of the knee.
Funding for this work provided by The Collaboratory for Strategic Partnerships and Applied Research.https://mosaic.messiah.edu/engr2022/1013/thumbnail.jp
The Effectiveness of the Functional Movement Screen and Vertical Drop Jump Test as Screenings to Predict Non-Contact ACL Injury
Get PDFThe purpose of this Clinically Appraised Topic (CAT) was to evaluate the predictive validity of two movement screening tools: the FMS, which evaluates kinematic control during functional movement tasks and the VDJT, which evaluates both kinetic and kinematic variables during a high impulse jump task. With both screening tools looking to identify at risk movement patterns, this CAT sought to evaluate predictive screening ability and determine which tool demonstrated superior ability to stratify non-contact ACL injury risk
Murray Library September 2022 Newsletter
Get PDFWhat\u27s new at the library? News and information about Murray Library at Messiah University written by its staff. 20th Friends Dinner Trivia Night E-Receipts Treasure Hunt Student Snapshot: Madison Seifer
The Balm of Gilead: Neuroaesthetics of Empathy in Fiction
Get PDFWhat is empathy? Why is it so important for our human condition? How does it promote human flourishing? Is there a neuroscientific background for empathy? Our common understanding of empathy is summarized by the following Merriam-Webster dictionary definition: “the ability to understand and share the feelings of another.” We prize the ability to understand each other because of both its pragmatic and intrinsic nature. Pragmatically, empathy improves our ability to communicate and sense each other’s needs. However, empathy is also important in and of itself as it allows us to know and be known by our fellow humans. To know and be known by someone else is the basis for our human desire for relationship and connection. Ultimately, empathy allows for us to form these key connections and meaningful relationships, especially with people from diverse backgrounds whose lives and cultures we have never experienced. But how do we cultivate it? And how do we not only cultivate empathy but enable it to be long-term and/or permanent? One method of empathetic cultivation has existed in human society for centuries and yet we may not even realize it—that method is literature
Lightning Connector to USB + Plug
No full textLightning Connector to USB + Plughttps://mosaic.messiah.edu/libraryofthings/1035/thumbnail.jp
Bias in the Stacks: Seeking Justice on the Shelves (Audio Presentation-MP3)
No full textWords matter. To make materials findable, libraries have relied on subject headings and classification numbers to organize their resources. Have you ever wondered how these subjects or classification numbers were developed? Both the Dewey Decimal Classification and Library of Congress Classification were developed with a Western-centric, white, Christian, male perspective. How does the language we use in our subject headings reinforce marginalization? In what ways can libraries reconcile the inequalities found in these standardized policies to be inclusive of diverse and multicultural perspectives? What are Messiah’s Murray Library and other institutions doing to create balance?
Speakers: Elizabeth Kielley (Discovery and Metadata Librarian) Sarah Myers (Public Services Librarian)
Panelists: Elizabeth Kielley (Discovery and Metadata Librarian) Rob Lesher ‘93 (Pennsylvania Library Association) Bernadette A. Lear (Penn State-Harrisburg) Devin Manzullo-Thomas (Messiah University Archives
Letter from the Editor
Get PDFRemarks from Editor Molly McKim:
Initially, I intended to start this introduction by saying, \u27Now more than ever, we need art,\u27 but I realized something: Works of art have always been constants in our lives. As much as the world may make us feel bombarded, overwhelmed or small, it has forced us to adapt, overcome, and appreciate what we have in our lives..