Search Results - "Pfeiffer, Steven J."

Walking Ground Reaction Force Post-ACL Reconstruction: Analysis of Time and Symptoms by PIETROSIMONE, BRIAN, SEELEY, MATTHEW K, JOHNSTON, CHRISTOPHER, PFEIFFER, STEVEN J, SPANG, JEFFERY T, BLACKBURN, J TROY

“…PURPOSEThe association between lower-extremity loading and clinically relevant knee symptoms at different time points after anterior cruciate ligament…”
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Gait Mechanics and T1ρ MRI of Tibiofemoral Cartilage 6 Months after ACL Reconstruction by PFEIFFER, STEVEN J, SPANG, JEFFREY, NISSMAN, DANIEL, LALUSH, DAVID, WALLACE, KYLE, HARKEY, MATTHEW S, PIETROSIMONE, LAURA S, SCHMITZ, RANDY, SCHWARTZ, TODD, BLACKBURN, TROY, PIETROSIMONE, BRIAN

“…PURPOSEAberrant walking biomechanics after anterior cruciate ligament reconstruction (ACLR) are hypothesized to be associated with deleterious changes in knee…”
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Bilateral Gait 6 and 12 Months Post–Anterior Cruciate Ligament Reconstruction Compared with Controls by DAVIS-WILSON, HOPE C., PFEIFFER, STEVEN J., JOHNSTON, CHRISTOPHER D., SEELEY, MATTHEW K., HARKEY, MATTHEW S., BLACKBURN, J. TROY, FOCKLER, RYAN P., SPANG, JEFFREY T., PIETROSIMONE, BRIAN

“…PURPOSETo compare gait biomechanics throughout stance phase 6 and 12 months after unilateral anterior cruciate ligament reconstruction (ACLR) between ACLR and…”
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Quadriceps weakness associates with greater T1ρ relaxation time in the medial femoral articular cartilage 6 months following anterior cruciate ligament reconstruction by Pietrosimone, Brian, Pfeiffer, Steven J., Harkey, Matthew S., Wallace, Kyle, Hunt, Christian, Blackburn, J. Troy, Schmitz, Randy, Lalush, David, Nissman, Daniel, Spang, Jeffrey T.

“…Purpose Quadriceps weakness following anterior cruciate ligament reconstruction (ACLR) is linked to decreased patient-reported function, altered lower…”
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In Vivo Compositional Changes in the Articular Cartilage of the Patellofemoral Joint Following Anterior Cruciate Ligament Reconstruction by Boling, Michelle C., Dupell, Matthew, Pfeiffer, Steven J., Wallace, Kyle, Lalush, David, Spang, Jeffrey T., Nissman, Daniel, Pietrosimone, Brian

“…Objective To compare T1ρ relaxation times of the medial and lateral regions of the patella and femoral trochlea at 6 and 12 months following anterior cruciate…”
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Using TENS to Enhance Therapeutic Exercise in Individuals with Knee Osteoarthritis by PIETROSIMONE, BRIAN, LUC-HARKEY, BRITTNEY A., HARKEY, MATTHEW S., DAVIS-WILSON, HOPE C., PFEIFFER, STEVEN J., SCHWARTZ, TODD A., NISSMAN, DANIEL, PADUA, DARIN A., BLACKBURN, J TROY, SPANG, JEFFERY T.

“…Transcutaneous electrical nerve stimulation (TENS) facilitates quadriceps voluntary activation in experimental settings. Augmenting therapeutic exercise (TE)…”
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Walking gait asymmetries 6 months following anterior cruciate ligament reconstruction predict 12‐month patient‐reported outcomes by Pietrosimone, Brian, Blackburn, J. Troy, Padua, Darin A., Pfeiffer, Steven J., Davis, Hope C., Luc‐Harkey, Brittney A., Harkey, Matthew S., Stanley Pietrosimone, Laura, Frank, Barnett S., Creighton, Robert Alexander, Kamath, Ganesh M., Spang, Jeffery T.

“…ABSTRACT The study sought to determine the association between gait biomechanics (vertical ground reaction force [vGRF], vGRF loading rate [vGRF‐LR]) collected…”
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Changes in Infrapatellar Fat Pad Volume 6 to 12 Months After Anterior Cruciate Ligament Reconstruction and Associations With Patient-Reported Knee Function by Wallace, Kyle G, Pfeiffer, Steven J, Pietrosimone, Laura S, Harkey, Matthew S, Zong, Xiaopeng, Nissman, Daniel, Kamath, Ganesh M, Creighton, R Alexander, Spang, Jeffrey T, Blackburn, J Troy, Pietrosimone, Brian

“…Hypertrophy of the infrapatellar fat pad (IFP) in idiopathic knee osteoarthritis has been linked to deleterious synovial changes and joint pain related to…”
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Assessing Step Count–Dependent Changes in Femoral Articular Cartilage Using Ultrasound by Pfeiffer, Steven J., Davis‐Wilson, Hope C., Pexa, Brett, Szymczak, Jessica, Wistreich, Catherine, Sorensen, Rachel, Wikstrom, Erik A., Blackburn, J. Troy, Pietrosimone, Brian

“…Objectives To evaluate changes in the femoral cartilage cross‐sectional area (CSA) measured with ultrasound (US) between baseline and 1000, 2000, 3000, 4000,…”
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Peak knee biomechanics and limb symmetry following unilateral anterior cruciate ligament reconstruction: Associations of walking gait and jump-landing outcomes by Pfeiffer, Steven J., Blackburn, J. Troy, Luc-Harkey, Brittney, Harkey, Matthew S., Stanley, Laura E., Frank, Barnett, Padua, Darin, Marshall, Stephen W., Spang, Jeffrey T., Pietrosimone, Brian

“…Aberrant walking-gait and jump-landing biomechanics may influence the development of post-traumatic osteoarthritis and increase the risk of a second anterior…”
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Effects of a knee valgus unloader brace on medial femoral articular cartilage deformation following walking in varus-aligned individuals by Pfeiffer, Steven J., Valentine, Joshua A., Goodwin, Johnathan S., Nissman, Daniel B., Blackburn, Troy, Pietrosimone, Brian

“…Knee varus alignment may increase loading in the medial tibiofemoral compartment, which can increase strain on the articular cartilage. Knee valgus unloader…”
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Association of Jump-Landing Biomechanics With Tibiofemoral Articular Cartilage Composition 12 Months After ACL Reconstruction by Pfeiffer, Steven J., Spang, Jeffrey T., Nissman, Daniel, Lalush, David, Wallace, Kyle, Harkey, Matthew S., Pietrosimone, Laura S., Padua, Darin, Blackburn, Troy, Pietrosimone, Brian

“…Background: Excessively high joint loading during dynamic movements may negatively influence articular cartilage health and contribute to the development of…”
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Femoral Cartilage Ultrasound Outcomes Associate With T1rho Magnetic Resonance Outcomes Following Anterior Cruciate Ligament Reconstruction: 527 by Davis-Wilson, Hope, Pfeiffer, Steven J., Evans-Pickett, Alyssa, Franz, Jason, Blackburn, J Troy, Pietrosimone, Brian

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Femoral Cartilage Ultrasound Outcomes Associate With T1rho Magnetic Resonance Outcomes Following Anterior Cruciate Ligament Reconstruction: 527 by Davis-Wilson, Hope, Pfeiffer, Steven J., Evans-Pickett, Alyssa, Franz, Jason, Blackburn, J Troy, Pietrosimone, Brian

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Associations Between Ultrasonographic Measures Of Femoral Cartilage, Self-reported Function, And Walking Speed In Individuals With Medial Compartment Knee Osteoarthritis: 1328 Board #1 May 28 9:30 AM - 11:30 AM by Pfeiffer, Steven J., Nissman, Daniel, Givens, Deborah L., Sorensen, Rachel, Cook, Brianna, Wikstrom, Erik A., Blackburn, Troy, Pietrosimone, Brian

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Associations Between Slower Walking Speed and T1ρ Magnetic Resonance Imaging of Femoral Cartilage Following Anterior Cruciate Ligament Reconstruction by Pfeiffer, Steven, Harkey, Matthew S., Stanley, Laura E., Blackburn, J. Troy, Padua, Darin A., Spang, Jeffrey T., Marshall, Stephen W., Jordan, Joanne M., Schmitz, Randy, Nissman, Daniel, Pietrosimone, Brian

“…Objective To determine whether walking speed, collected at 6 and 12 months following anterior cruciate ligament reconstruction (ACLR), is associated with…”
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Greater Matrix Metalloproteinase-3 Concentrations Following ACL Injury Associate With Worse Gait Biomechanics 6-months Post-ACL Reconstruction: 981 Board #107 May 27 1:30 PM - 3:00 PM by Evans-Pickett, Alyssa, Davis-Wilson, Hope C., Longobardi, Lara, Pfeiffer, Steven J., Spang, Jeffrey, Creighton, Alexander R., Kamath, Ganesh, Loeser, Richard, Blackburn, Troy, Pietrosimone, Brian

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Bilateral Gait Six and Twelve Months Post-ACL Reconstruction Compared to Controls by Davis-Wilson, Hope C., Pfeiffer, Steven J., Johnston, Christopher D., Seeley, Matthew K., Harkey, Matthew S., Blackburn, J. Troy, Fockler, Ryan P., Spang, Jeffrey T., Pietrosimone, Brian

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Response of Femoral Articular Cartilage Throughout a 5,000 Step Walking Protocol Using Ultrasound: 2530 Board #194 May 31 9:30 AM - 11:00 AM by Pfeiffer, Steven J., Davis, Hope C., Pexa, Brett, Szymczak, Jessica, Wistreich, Catherine, Sorensen, Rachel, Wikstrom, Erik A., Blackburn, Troy, Pietrosimone, Brian

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Changes in Infrapatellar Fat Pad Volume From 6 to 12 months Following Anterior Cruciate Ligament Reconstruction and Associations with Patient-Reported Knee Function by Wallace, Kyle G, Pfeiffer, Steven J, Pietrosimone, Laura S, Harkey, Matthew S, Zong, Xiaopeng, Nissman, Daniel, Kamath, Ganesh M, Creighton, R Alexander, Spang, Jeffrey T, J Troy Blackburn, Pietrosimone, Brian

“…Context: Hypertrophy of the Infrapatellar Fat Pad (IFP) in idiopathic knee osteoarthritis has been linked to deleterious synovial changes and joint pain…”
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