Free Papers
| Time | Program Code | Thursday, March 22 |
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| 12:45 PM - 2:15 PM | F1 | Free Papers: Lower Limb Orthotics (F1) Use of Adjustable Dynamic Response AFOs to Address Common Gait Abnormalities in an Adolescent with Diplegic Cerebral Palsy Andrew Sutphin, DPT This study examines the effectiveness of a new type of brace by assessing functional mobility and gait pattern. Researchers aimed to address common gait issues, like heel strike and proper push off in the terminal stance phase. |
| F2 | Free Papers: Lower Limb Orthotics (F2) Preliminary Outcome Using a New Free Motion Offloading KAFO for Postoperative Management of Hemiepiphysiodesis in Adolescent Tibia Vara Joseph W. Whiteside, CO This study focuses on the application of an offloading knee ankle foot orthosis to offset associated varus thrust in patients who are deemed at risk due to obesity and other factors. Researchers also sought to determine the predictability of failure in these patients. |
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| F3 | Free Papers: Lower Limb Orthotics (F3) Use of Kinetic Orthosis with Post-Stroke Male Brian Glaister This study builds on previous research that showed parallel elastic structures stretching from hip to ankle could reduce the muscular effort required to walk. Researchers explored how a kinetic orthosis, a physical system with parallel elastic structures, could improve mobility in a man recovering from a stroke. |
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| F4 | Free Papers: Lower Limb Orthotics (F4) WalkAide Efficacy on Gait & Multi-Directional Stepping in a Child with Cerebral Palsy Michael K. Carroll, BSPO Existing research on the WalkAide and other functional electrical stimulation (FES) devices for use in cerebral palsy (CP) patients exists, but only measures forward directed movement and gait speed. This study aims to report the effects of the WalkAide on gait quality, symmetry, and quantity, as well as multidirectional stability in a child with CP. |
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| F5 | Free Papers: Lower Limb Orthotics (F5) The Effect of Dorsiflexion Resistance on Ankle and Knee Joint Kinematics Quantified with an Instrumented Ankle-Foot Orthosis during Treadmill Walking Géza F. Kogler, PhD, CO There are few studies that quantify the effect that ankle motion resistance may have on walking. Researchers in this study tested the hypothesis that dorsiflexion resistance applied to the ankle-foot in a normal, healthy subject would decrease the range of ankle dorsiflexion compared to free ankle motion during walking. |
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| F6 | Free Papers: Lower Limb Orthotics (F6) Calf Circumference Changes from Molded Plastic to Composite AFOs David Ruthsatz, CO, AT Researchers have noted changes in calf circumference in patients who have switched from molded plastic to energy reflecting AFOs. The authors of this study tested the hypothesis that calf atrophy in neuro-deficit populations are influenced not just by medical condition, but by the style of AFO used in the management of foot drop. |
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| 5:10 PM - 6:25 PM | F7 | Free Papers: Lower Limb Prosthetics (F7) Validation of a 3D Surface Reconstruction Method: A Preliminary Study Fan Gao, PhD A recently-developed method based on close-range photogrammetry that uses a single-lens reflex digital camera to reconstruct a 3D surface has proven satisfactory in theoretical calculation. This study aims to evaluate the photogrammetry-based system by comparing it to other methods and systems. |
| F8 | Free Papers: Lower Limb Prosthetics (F8) Influence of Gait Training and Prosthetic Foot Category on Functional Outcomes of Vascular Transtibial Amputees—Implications for Foot Prescription Vibhor Agrawal, PhD This study used a randomized cross-over trial to determine the efficacy of existing prescription guidelines for K2 level prosthetic foot (dysvascular) transtibial foot amputees (TTAs). |
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| F9 | Free Papers: Lower Limb Prosthetics (F9) Assessing the Prosthetic Needs of Farmers and Ranchers Stefania Fatone, PhD, BPO (Hons) This descriptive qualitative study gathered data to better assess the prosthetic needs of farmers and ranchers from an engineering perspective. |
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| F10 | Free Papers: Lower Limb Prosthetics (F10) Kinematics of Transfemoral Amputees During the Sit-to-Stand Movement Stephanie L. Carey, PhD This study reported the kinematics and associated asymmetry in sit-to-stand with transfemoral patients who use microprocessor knees. |
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| F11 | Free Papers: Lower Limb Prosthetics (F11) Biaxial Models of Socket Interface Stiffness Matthew M. Wernke This presentation evaluates the accuracy of two models' prediction of biaxial socket rotation due to external forces. |
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| F12 | Free Papers: Upper Limb Prosthetics (F12) Congenital Partial Hand Absence and Electric Articulating Digits Diane J. Atkins, OTR, FISPO This study evaluates the indication for prescription of an electric multiarticulating digit prosthesis and the functional outcomes of its use. |
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| F13 | Free Papers: Upper Limb Prosthetics (F13) Expanding the Profile of Upper Limb Amputees Phil Stevens, MEd, CPO, FAAOP Patients with upper limb amputations will experience profound functional and emotional consequences, but also phantom sensations, residual limb pain, overuse symptoms affecting neck, shoulders, and back, and elevated risk of anxiety and depression. This literature review attempts to quantify the prevalence and reported severity of these additional challenges among those with upper limb loss. |
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| F14 | Free Papers: Upper Limb Prosthetics (F14) Neurobehavioral Differences in Amputees during Imitation of Intact versus Amputee Movements William Cusack, MS Recent studies have suggested that the mirror neuron system may be preferentially engaged by movements of a limb similar in appearance to that of the viewer. This study attempted to replicate these findings in subjects without limb loss as well as prosthesis users who imitated tool-use movements by actors with similar and dissimilar arm types. |
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| F15 | Free Papers: Upper Limb Prosthetics (F15) Measuring Upper Limb Prosthetic Device Usage for Manipulative and Non-Manipulative Tasks Amanda L. Martori The researchers in this preliminary study used a wearable sensor to collect acceleration data to differentiate between non-manipulative and manipulative tasks. |
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| Time | Program Code | Friday, March 23 |
| 8:15 AM - 9:45 AM | F16 | Free Papers: Lower Limb Prosthetics (F16) Oxygen Consumption and Prosthetic Moments for Two Transfemoral Amputees Running with and without a Knee Jason Wening, MS, CPO Persons with transfemoral amputations consume significantly more oxygen than able-bodied individuals to walk, and the same can be assumed in running. This study attempts to determine the energy cost of running with a prosthetic knee versus a straight pylon in distance runners with transfemoral amputations. |
| F17 | Free Papers: Lower Limb Prosthetics (F17) The Effect of the Medial/Lateral Socket Dimension on the Prosthetic Moments of a Trans-Tibial Amputee Jason Wening, MS, CPO This study quantifies the change in prosthetic moments after a systematic alteration of the ML dimension of a transtibial socket. |
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| F18 | Free Papers: Lower Limb Prosthetics (F18) Efficacy of the C-Leg in Safety, Bioenergetics & Healthcare Cost—A Literature Review M. Jason Highsmith, DPT, CP, FAAOP This literature review provides a grade of recommendation for Otto Bock's C-Leg use relative to patient safety and efficiency of both gait bioenergetics and healthcare cost. |
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| F19 | Free Papers: Lower Limb Prosthetics (F19) Mechanical Evaluation of Direct Manufactured Prosthetic Sockets Jim Colvin, MS; Maria Gerschutz, PhD This study mechanically evaluated a direct manufacturing technology, Selective Laser Sintering (SLS), for a prosthetic socket application. |
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| F20 | Free Papers: Lower Limb Prosthetics (F20) A Survey of Prosthetic Sock Ply Management of Transtibial Amputees: Patients' Knowledge of Sock Management and the Relationship to EducationalNeeds of Amputees John T. Frederick Jr., CPO, LPO The goal of this study was to help prosthetists educate patients on prosthetic sock management so that it can be done correctly, consistently, and independently. |
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| F21 | Free Papers: Lower Limb Prosthetics (F21) Gait Asymmetry of Transfemoral Amputees Using Mechanical and Microprocessor-Controlled Prosthetic Knees Ken Kaufman, PhD This study compared the gait symmetry of active patients with transfemoral amputations who used a passive mechanical knee joint or a microprocessor-controlled knee joint. |
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| 9:50 AM - 11:20 AM | F22 | Free Papers: Lower Limb Prosthetics (F22) The Lyapunov Exponent is Strongly Related to Amputee Preference Shane Wurdeman, CP, MSPO The Lyapunov exponent (LyE), which measures the consistency of gait pattern over multiple strides, has been used to identify pathological gait in the absence of other biomechanical tools sensitive enough to detect patient perception. This study correlated the LyE values of the leg joints with patient preference in a prosthesis to determine if the measure was sensitive enough to detect clinically significant differences in performance. |
| F23 | Free Papers: Lower Limb Prosthetics (F23) Perceived Outcomes Associated with the Plie 2.0: A Review of 40 End-user Questionnaires David Baty, CPO This study used an end-user's questionnaire to more objectively assess the perceptions of patients who have transitioned from conventional prosthetic or microprocessor-regulated knees to the Plie 2.0. |
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| F24 | Free Papers: Lower Limb Prosthetics (F24) The Biomechanical Effects of Increased Load Carriage on the Lower Limbs and Their Prosthetic Implications David Baty, CPO This study aimed to better understand the ability of prosthetic feet to handle altered demands associated with load carriage. |
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| F25 | Free Papers: Lower Limb Prosthetics (F25) Performance of Daily Activities by Lower Limb Prosthesis Users Charla Howard This exploration of how amputation affects innate foot preference could have implications for therapy and the understanding of the motor control strategies of prosthesis users. |
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| F26 | Free Papers: Lower Limb Prosthetics (F26) A Survey of Prosthetic Foot Clinical Selection Criteria Gerald Stark, MSEM, CPO/L, FAAOP Despite the more than 105 foot designs presently available, a previous survey showed that prosthetists generally rely on four or five mainstay designs. This survey was developed to learn more about the factors that practitioners use to select products. |
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| F27 | Free Papers: Lower Limb Prosthetics (F27) Prosthetic Foot with Adjustable Stability and its Effects on Balance and Mobility Andrew Hansen, PhD This study attempted to determine the effects of an adjustable "flat region" feature in a prosthesis on standing balance and mobility. |
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| F28 | Free Papers: Orthotics-Spine (F28) A Prospective Randomized Study of the Natural History of Idiopathic Scoliosis versus Treatment with the SpineCor Brace Christine Coillard, MD This randomized control trial aimed to further demonstrate the SpineCor system's effectiveness for treatment of early adolescent idiopathic scoliosis as compared to the disease's natural evolution. |
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| F29 | Free Papers: Orthotics-Spine (F29) Assessment of Spinal 3D CT Scan for Designing TLSO: A Head-to-Head Comparison with Traditional Methods Ammanath Peethambaran, MS, CO, FAAOP The purpose of this study was to compare the anthropomorphic measurements using the threedimensional reconstruction of a torso surface model from CT scan to the traditional hand-molding method for fabrication of TLSO. |
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| F30 | Free Papers: Orthotics-Spine (F30) Effectiveness of the SpineCor Treatment for Different Cobb Magnitude as well as for Juvenile Scoliosis Christine Coillard, MD This prospective cohort study evaluated the effectiveness of the Dynamic SpineCor brace in the treatment of large and moderate adolescent idiopathic scoliosis, small curves, and juvenile scoliosis. |
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| F31 | Free Papers: Orthotics-Spine (F31) Spinal Balance: Orthotic Management of a Patient with Pectus Carinatum & Hyperkyphosis: A Case Study Mark Holowka, MA, MSPO, CPO Patients who present with hyperkyphosis and pectus carinatum pose difficult challenges to orthotists. This case study addresses concerns about the flexibility of both deformities, competing corrective sagittal plane forces, thoracolumbosacral orthosis design, and how potential corrections will affect spinal balance and overall function. |
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| F32 | Free Papers: Orthotics-Spine (F32) Scoliosis Treatment in 147 Patients While Using the RSC Brace Grant I. Wood, MSc, CPO (UK) It is crucial to clearly define the goals of the treatment of idiopathic scoliosis, which are governed by differing philosophies and design possibilities. The primary goal should be to prevent the progression of the scoliotic deformity for the duration of treatment. |
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| F33 | Free Papers: Orthotics-Spine (F33) A Unique Solution for a Severe Infantile Neuromuscular Scoliosis Using Dynamic Elastomeric Fabric Orthosis Management: A Case Study Martin Matthews, CO, MPH Neuromuscular scoliosis may continue to progress despite orthotic rigid brace intervention. This case study describes orthotic management of the condition using the effects of force paneling within a dynamic elastomeric fabric suit. |
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| 1:30 PM - 3:05 PM | F34 | Free Papers: Lower Limb Prosthetics (F34) Force Effectiveness of Individuals with Amputation Indicate Similar Global Strategies as Intact Individuals Lee Childers, RP, MSPO, PhD Researchers investigated the pedaling technique employed by persons with transtibial amputations during a cycling task to establish a foundation for future motor control research and potential improvement of prosthetic design. |
| F35 | Free Papers: Lower Limb Prosthetics (F35) The Relationship between Symmetry in Joint Kinematics and Asymmetry in Joint Kinetics Lee Childers, RP, MSPO, PhD This study examines how shortening the crank arm on the residual limb can reduce asymmetries in joint kinematics and measures the effect on limb output during a cycling task. |
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| F36 | Free Papers: Lower Limb Prosthetics (F36) Control of the Residuum in the Prosthesis Explains Locomotor Differences between Individuals with and without Amputation Lee Childers, RP, MSPO, PhD Enhanced knowledge on how the human motor system adjusts to amputation could drive advancements in socket design to enable better integration between the revised motor system and the prosthesis. Researchers studied the relationship between control of the prosthetic interface and control of a locomotor task-in this case, cycling-toward this end. |
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| F37 | Free Papers: Lower Limb Prosthetics (F37) A Pilot Study: Feasibility of Using the Berg Balance Scale in Lower Limb Prosthesis Users Matthew Major, PhD Accurate and precise measures of balance in persons with lower limb amputations would help prosthetists evaluate the progress and effectiveness of therapeutic interventions and identify individuals at greater risk for falls, but no single standardized clinical assessment tool to quantify functional balance in this population is currently available. This study assessed the feasibility of testing, construct validity, and inter-rating reliability of the Berg Balance Scale for this purpose. |
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| F38 | Free Papers: Lower Limb Prosthetics (F38) Difficulty and Safety of Performing Activities of Daily Living with Two Different Microprocessor-Controlled Prosthetic Knee Joints Andreas Kannenberg, MD This study investigated differences in perceived difficulty and safety while subjects performed activities of daily living with two microprocessor knees. |
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| 4:20 PM - 5:50 PM | F39 | Free Papers: Lower Limb Prosthetics (F39) Detailed Finite Element Modeling of Transtibial Residual Limb Socket Interaction Samer Tawfik, PhD This research provides the detailed framework required to perform Finite Element Analysis to simulate residual limb and prosthetic socket interaction. |
| F40 | Free Papers: Lower Limb Prosthetics (F40) Unilateral Transtibial Amputee Dynamic Stability Margin during Treadmill Walking Chrysta Irolla In individuals with a transtibial amputation, compromised proprioception and muscle control contribute to falls. Researchers examined the ML dynamic stability margin for both able-bodied and transtibial subjects to better understand lateral stability. |
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| F41 | Free Papers: Lower Limb Prosthetics (F41) Understanding the Effect of the Environment on Mobility with a Lower Limb Prosthesis Daniel Abrahamson, CPO Sara Morgan, CPO This study aimed to identify conceptual gaps in the understanding of how environmental factors affect mobility. The results will inform the development of an item bank for measuring self-reported mobility in prosthesis users. |
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| F42 | Free Papers: Lower Limb Prosthetics (F42) Improving Patients' Emotional Well-Being: An Innovative Prosthetist-Patient Program Stephen Wegener, PhD The mental health needs of persons with limb loss have traditionally been considered under the purview of psychologists, social workers, and primary care physicians, but patients need comprehensive care provided by a team. Prosthetists are positioned to educate patients about the signs of psychosocial distress and to offer information on resources that help patients seek appropriate care. |
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| F43 | Free Papers: Lower Limb Prosthetics (F43) Amputee Socks: How Does Sock Ply Relate to Sock Thickness? Katheryn Allyn, CPO This study characterized how sock ply relates to sock thickness in various sock materials and evaluated how sock thickness changed during loading conditions. |
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| Time | Program Code | Saturday, March 24 |
| 7:00 AM - 8:30 AM | F44 | Free Papers: General (F44) Clinical Administration of a Standardized Patient Satisfaction Measure Elizabeth Halsne This study investigated the benefits and challenges associated with administering a patient satisfaction outcome measure in a clinical setting to demonstrate a feasible model for incorporating a standardized outcome measure into an O&P practice. |
| F45 | Free Papers: General (F45) Transcutaneous Electrical Nerve Stimulation and its Qualitative and Quantitative Effects on Chronic Pain: An N=1 Study Danica Nordstrom, CO This study examines the effectiveness of transcutaneous electrical nerve stimulation as a treatment for chronic pain. |
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| F46 | Free Papers: General (F46) Enhancing Quality of Prosthetic and Orthotic Services with Process and Outcome Information Stefania Fatone, PhD, BPO (Hons) This presentation describes a quality improvement consultation project that was offered to five Midwestern O&P facilities. |
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| F47 | Free Papers: Lower & Upper Limb Orthotics (F47) Clinical Outcomes after Orthotic Treatment of Idiopathic Toe Walking AFO vs. FO Kinsey Herrin, MSPO Idiopathic toe walking in children can lead to various future orthopedic problems. Prevention of toe walking in the early stages of growth is essential to the development of a normal gait pattern. |
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| F48 | Free Papers: Lower & Upper Limb Orthotics (F48) Tibial Torsion, Foot Progression Angle, and Toe Out: A Literature Review to Support the Use of a New Clinimetric Tool to Determine Lower Limb/Orthotic Alignment in Stance Control Orthoses Gary G. Bedard, CO, FAAOP Due to the dynamic nature of a stance control orthosis, there is a critical need to match the anatomical knee and ankle axial centers with the orthotic components during fabrication. This study analyzes new clinimetric tools for this purpose. |
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| F49 | Free Papers: Lower & Upper Limb Orthotics (F49) Constraining Lower Limb Movement for Motor Learning Chris Hovorka, MS, CPO, LPO, FAAOP This study evaluates short-term lower limb constraint as a motor behavior shaping strategy. |
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| F50 | Free Papers: Lower & Upper Limb Orthotics (F50) Trends in Foot Orthoses Casting, Materials, and Modification Jeremy Farley, BS, BMED, CPO/L This study attempted to identify trends in orthotic treatment using foot orthoses to provide focus for future research. |
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| F51 | Free Papers: Lower & Upper Limb Orthotics (F51) Inclusion Body Myositis: A Case Study Ambulating with Stance Control KAFOs Pamela Hale, CPO Patients with inclusion body myositis experiencing lower limb muscle weakness can be candidates for gait activated stance control orthoses to facilitate ambulation. This study examines this idea for a patient with the goal of being a community ambulator and prolonging bipedal ambulation to avoid use of a wheelchair. |
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| F52 | Free Papers: Lower & Upper Limb Orthotics (F52) The Impact of a Sling on Stability & Gait Efficiency in Patients with a Flaccid Upper Limb Taavy Miller, MSPO This study aimed to measure dynamic and static balance as well as gait efficiency in patients with and without use of a sling. |
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| 10:45 AM - 3:30 PM | F59 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F59) Effect of Transtibial Prosthetic Malalignment on Socket Reaction Moments David Boone, PhD This study aimed to investigate the effect of transtibial prosthesis malalignment on socket reaction moments. Researchers used a novel instrumented prosthesis alignment component to measure sagittal and coronal socket reaction moments at the bottom of the socket. |
| F60 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F60) Socket/Liner Interface Volume and Vacuum Pressure Decay in Persons with Transfemoral Amputations Stefania Fatone, PhD, BPO (Hons) In this study an empirical approach was used to obtain evacuation curves on human subjects by measuring change in vacuum pump pressure and therefore to gain insight into socket/liner interface volume and pressure decay. |
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| 10:45 AM - 12:15 PM | F53 | Free Papers: Lower Limb Prosthetics (F53) Review of Psychological Benefits Associated with Physical Activity for Persons with Lower Limb Amputation Cara Negri, BSME, CP This literature review highlights the positive psychological effect that exercise can have on a person with limb loss. |
| F54 | Free Papers: Lower Limb Prosthetics (F54) Stress Analysis of Different Rigid Frame Designs within a Flexible Transfemoral Prosthetic Socket Oluseeni Komolafe, PhD Researchers attempted to maximize socket flexibility and maintain effective load transfer by constructing a singlewalled, flexible socket reinforced with a rigid carbon fiber frame. In this study, they present the results of a finite element stress analysis evaluation of several frame designs. |
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| F55 | Free Papers: Lower Limb Prosthetics (F55) A Bimodal Ankle Foot Prosthesis for Standing and Walking Andrew Hansen, PhD Recent study has suggested the need for two separate modes for standing and walking to achieve biomimetic function in a prosthesis. This study developed an ankle-foot prosthesis and measured the effective shapes of the ankle-foot prosthesis in both modes. |
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| F56 | Free Papers: Lower Limb Prosthetics (F56) Update on an Ankle Foot Prosthesis that Self Aligns to Sloped Surfaces Andrew Hansen, PhD Existing research developed a working prototype of a prosthetic ankle-foot system that could adapt to different surface slopes without the use of motors or batteries. This study provides an update on the project, including changes that have been made to make it more clinically and commercially viable. |
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| F57 | Free Papers: Lower Limb Prosthetics (F57) Finite Element Model of the Transtibial Stump-Socket Interaction George Papaioannou, PhD Researchers used dynamic roentgen stereophotogrammetric analysis data to model bone-stump-socket interaction of persons with transtibial amputations in a finite element model. Socket reaction forces were calculated using non-linear finite element analysis. |
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| F58 | Free Papers: Lower Limb Prosthetics (F58) Timing Assessment of Transtibial Amputee Prolonged-Gait Using iPecs George Papaioannou, PhD This study used a new method of prosthesis evaluation based on step durations and stance phase percentage of prolonged gait of persons with transtibial amputation measured with a wireless gait assessment device, iPecs. Researchers used this method to compare total surface bearing and elevated vacuum socket technologies and their effects on prosthesis kinetics. |
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| 1:00 PM - 3:30 PM | F61 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F61) Predictive Models of Transtibial Prosthetic Malalignment Based on Socket Reaction Moments David Boone, PhD Results of a previous study indicated that a mathematical model could measure the magnitude of prosthetic malalignment based on socket reaction moment information, a finding that could help prosthetists align prostheses more consistently in clinical settings. This study evaluated the mathematical model to predict prosthetic malalignment. |
| F62 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F62) Characterization of Mechanical and Electrical Vacuum Pumps for Use in Vacuum Assisted Suspension Stefania Fatone, PhD, BPO (Hons) Knowledge of the time to evacuation and overall efficiency for vacuum pumps could help prosthetists providing lower limb prostheses with vacuum-assisted suspension to patients. This study tested and compared several mechanical and electric vacuum pumps to assess their performance and efficiency. |
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| F63 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F63) Preliminary Analysis of an Elevated Vacuum Suspension System with Microprocessor-Controlled Vacuum Levels Michael Markmiller This study presents preliminary results on a vacuum suspension system with microprocessor-controlled vacuum levels. |
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| F64 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F64) Managing Residual Limb Wounds with Elevated Vacuum: A Case Report Robert Hoskins, BS, BME Researchers in this case study provide evidence that elevated vacuum can help wounds of the residual limb in persons with amputations. This hypothesis was tested by tracking the surface area of wounds over a period of time. |
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| F65 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F65) Elevated Vacuum Socket Suspension Improves Balance and Gait Performance in Elderly Dysvascular Transtibial Amputees Andreas Kannenberg, MD The percentage of successful prosthesis fittings in geriatric dysvascular patients is low. This study investigated whether a vacuum-assisted socket suspension system improves control of the prosthetic limb, stability, balance, and walking capabilities in elderly transtibial patients. |
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| F66 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F66) Vacuum Suspension and in Socket Tissue O2 Glenn Klute, PhD This study examined the effect of vacuum pressure on residual limb tissue oxygen while resting, standing, and walking. |
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| F67 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F67) Sub Atmospheric Transfemoral Interfaces—Comparing Ischial Containment to Brimless Jason T. Kahle, CPO, FAAOP There is little data on the effect of removing the Ischial Ramus Containment (IRC) on skeletal kinematics, balance, gait, and interface pressure. This study compares symmetrical sub-atmospheric suspension IRC to brimless interfaces in biomechanics, stability, mobility, gait, and subjective measures. |
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| F68 | Free Papers: Lower Limb Prosthetics - Socket Suspension (F68) Elevated Vacuum Socket Suspension Improves Rehabilitation in Dysvascular Transtibial Amputees with Open Residual Limb Wounds — A Randomized Controlled Clinical Trial Andreas Kannenberg, MD Anecdotal reports suggest that vacuum suspension might promote healing of residual limb wounds. This study evaluated the benefits to two different vacuum suspension systems in persons with transtibial amputations with unhealed wounds on the residual limb. |