Search Results - "Laz, Peter J"

Statistical modeling to characterize relationships between knee anatomy and kinematics by Smoger, Lowell M., Fitzpatrick, Clare K., Clary, Chadd W., Cyr, Adam J., Maletsky, Lorin P., Rullkoetter, Paul J., Laz, Peter J.

“…ABSTRACT The mechanics of the knee are complex and dependent on the shape of the articular surfaces and their relative alignment. Insight into how anatomy…”
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Statistical shape modeling predicts patellar bone geometry to enable stereo-radiographic kinematic tracking by Smoger, Lowell M, Shelburne, Kevin B, Cyr, Adam J, Rullkoetter, Paul J, Laz, Peter J

“…Abstract Complications in the patellofemoral (PF) joint of patients with total knee replacements include patellar subluxation and dislocation, and remain a…”
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Development of a statistical shape model of the patellofemoral joint for investigating relationships between shape and function by Fitzpatrick, Clare K, Baldwin, Mark A, Laz, Peter J, FitzPatrick, David P, L. Lerner, Amy, Rullkoetter, Paul J

“…Abstract Patellofemoral (PF)-related pathologies, including joint laxity, patellar maltracking, cartilage degradation and anterior knee pain, affect nearly 25%…”
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Development of subject-specific and statistical shape models of the knee using an efficient segmentation and mesh-morphing approach by Baldwin, Mark A, Langenderfer, Joseph E, Rullkoetter, Paul J, Laz, Peter J

“…Abstract Subject-specific finite element models developed from imaging data provide functional representation of anatomical structures and have been used to…”
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Combined probabilistic and principal component analysis approach for multivariate sensitivity evaluation and application to implanted patellofemoral mechanics by Fitzpatrick, Clare K, Baldwin, Mark A, Rullkoetter, Paul J, Laz, Peter J

“…Abstract Many aspects of biomechanics are variable in nature, including patient geometry, joint mechanics, implant alignment and clinical outcomes…”
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Computational framework for population-based evaluation of TKR-implanted patellofemoral joint mechanics by Ali, Azhar A., Clary, Chadd W., Smoger, Lowell M., Dennis, Douglas A., Fitzpatrick, Clare K., Rullkoetter, Paul J., Laz, Peter J.

“…Differences in patient anatomy are known to influence joint mechanics. Accordingly, intersubject anatomical variation is an important consideration when…”
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Patellar mechanics during simulated kneeling in the natural and implanted knee by Abo-Alhol, Tariq R, Fitzpatrick, Clare K, Clary, Chadd W, Cyr, Adam J, Maletsky, Lorin P, Laz, Peter J, Rullkoetter, Paul J

“…Abstract Kneeling is required during daily living for many patients after total knee replacement (TKR), yet many patients have reported that they cannot kneel…”
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Identifying alignment parameters affecting implanted patellofemoral mechanics by Fitzpatrick, Clare K., Baldwin, Mark A., Clary, Chadd W., Wright, Abraham, Laz, Peter J., Rullkoetter, Paul J.

“…Complications of the patellofemoral (PF) joint remain a common cause for revision of total knee replacements. PF complications, such as patellar maltracking,…”
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Comparison of patellar bone strain in the natural and implanted knee during simulated deep flexion by Fitzpatrick, Clare K., Baldwin, Mark A., Ali, Azhar A., Laz, Peter J., Rullkoetter, Paul J.

“…Instances of anterior knee pain and patellar fracture are significant complications following total knee replacement (TKR). Bone strain measured in the patella…”
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Probabilistic finite element prediction of knee wear simulator mechanics by Laz, Peter J., Pal, Saikat, Halloran, Jason P., Petrella, Anthony J., Rullkoetter, Paul J.

“…Computational models have recently been developed to replicate experimental conditions present in the Stanmore knee wear simulator. These finite element (FE)…”
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Incorporating uncertainty in mechanical properties for finite element-based evaluation of bone mechanics by Laz, Peter J, Stowe, Joshua Q, Baldwin, Mark A, Petrella, Anthony J, Rullkoetter, Paul J

“…Abstract Finite element (FE) models of bone, developed from computed tomography (CT) scan data, are used to evaluate stresses and strains, load transfer and…”
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Accuracy tradeoffs between individual bone and joint-level statistical shape models of knee morphology by Fugit, William J., Aram, Luke J., Bayoglu, Riza, Laz, Peter J.

“…•Statistical shape models characterize variability in bone and joint morphology.•Errors were smaller for individual bone models than for joint-level…”
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Deciphering the "Art" in Modeling and Simulation of the Knee Joint: Overall Strategy by Erdemir, Ahmet, Besier, Thor F, Halloran, Jason P, Imhauser, Carl W, Laz, Peter J, Morrison, Tina M, Shelburne, Kevin B

“…Recent explorations of knee biomechanics have benefited from computational modeling, specifically leveraging advancements in finite element analysis and rigid…”
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A Probabilistic Approach to Quantify the Impact of Uncertainty Propagation in Musculoskeletal Simulations by Myers, Casey A., Laz, Peter J., Shelburne, Kevin B., Davidson, Bradley S.

“…Uncertainty that arises from measurement error and parameter estimation can significantly affect the interpretation of musculoskeletal simulations; however,…”
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Efficient probabilistic finite element analysis of a lumbar motion segment by Coombs, Dana J., Rullkoetter, Paul J., Laz, Peter J.

“…Finite element models of the lumbar spine are useful in assessing biomechanics and performance of implants. Models are often developed using the anatomy of an…”
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Influence of polyethylene creep behavior on wear in total hip arthroplasty by Penmetsa, Janaki R., Laz, Peter J., Petrella, Anthony J., Rullkoetter, Paul J.

“…After total hip arthroplasty (THA), polyethylene acetabular liner creep occurs quickly and serves to increases head–liner contact area and decrease contact…”
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Investigating gender and ethnicity differences in proximal humeral morphology using a statistical shape model by Sintini, Irene, Burton, William S., Sade, Paul, Chavarria, Jason M., Laz, Peter J.

“…ABSTRACT Morphological variability in the shoulder influences the joint biomechanics and is an important consideration in arthroplasty and implant design. The…”
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Specimen-specific modeling of hip fracture pattern and repair by Ali, Azhar A, Cristofolini, Luca, Schileo, Enrico, Hu, Haixiang, Taddei, Fulvia, Kim, Raymond H, Rullkoetter, Paul J, Laz, Peter J

“…Abstract Hip fracture remains a major health problem for the elderly. Clinical studies have assessed fracture risk based on bone quality in the aging…”
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Simulated hip abductor strengthening reduces peak joint contact forces in patients with total hip arthroplasty by Myers, Casey A., Laz, Peter J., Shelburne, Kevin B., Judd, Dana L., Winters, Joshua D., Stevens-Lapsley, Jennifer E., Davidson, Bradley S.

“…Lower extremity muscle strength training is a focus of rehabilitation following total hip arthroplasty (THA). Strength of the hip abductor muscle group is a…”
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Statistical shape modeling characterizes three-dimensional shape and alignment variability in the lumbar spine by Hollenbeck, Justin F.M., Cain, Christopher M., Fattor, Jill A., Rullkoetter, Paul J., Laz, Peter J.

“…The mechanics of the lumbar spine are heavily dependent on the underlying anatomy. Anatomical measures are used to assess the progression of pathologies…”
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