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475 results on '"Strauss, Eric"'

2. Nav1.7 as a chondrocyte regulator and therapeutic target for osteoarthritis

Author

Fu, Wenyu, Vasylyev, Dmytro, Bi, Yufei, Zhang, Mingshuang, Sun, Guodong, Khleborodova, Asya, Huang, Guiwu, Zhao, Libo, Zhou, Renpeng, Li, Yonggang, Liu, Shujun, Cai, Xianyi, He, Wenjun, Cui, Min, Zhao, Xiangli, Hettinghouse, Aubryanna, Good, Julia, Kim, Ellen, Strauss, Eric, Leucht, Philipp, Schwarzkopf, Ran, Guo, Edward X., Samuels, Jonathan, Hu, Wenhuo, Attur, Mukundan, Waxman, Stephen G., and Liu, Chuan-ju

Published
2024
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6. Home ownership, full-time employment, and other markers of higher socioeconomic status are predictive of shorter time to initial evaluation, shorter time to surgery, and superior postoperative outcomes among lateral patellar instability patients undergoing medial patellofemoral ligament reconstruction

Author

Shankar, Dhruv S., Avila, Amanda, DeClouette, Brittany, Vasavada, Kinjal D., Jazrawi, Isabella B., Alaia, Michael J., Gonzalez-Lomas, Guillem, Strauss, Eric J., and Campbell, Kirk A.

Published
2023
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9. Dynamical Chaos in a Simple Model of a Knuckleball

Author

Nelson, Nicholas J. and Strauss, Eric

Subjects
Physics - Popular Physics, Physics - Fluid Dynamics
Abstract

The knuckleball is perhaps the most enigmatic pitch in baseball. Relying on the presence of raised seams on the surface of the ball to create asymmetric flow, a knuckleball's trajectory has proven very challenging to predict compared to other baseball pitches, such as fastballs or curveballs. Previous experimental tracking of large numbers of knuckleballs has shown that they can move in essentially any direction relative to what would be expected from a drag-only trajectory. This has led to speculation that knuckleballs exhibit chaotic motion. Here we develop a relatively simple model of a knuckleball that includes quadratic drag and lift from asymmetric flow which is taken from experimental measurements of slowly rotating baseballs. Our models can indeed exhibit dynamical chaos as long In contrast, models that omit torques on the ball in flight do not show chaotic behavior. Uncertainties in the phase space position of the knuckleball are shown to grow by factors as large as $10^6$ over the flight of the ball from the pitcher to home plate. We quantify the impact of our model parameters on the chaos realized in our models, specifically showing that maximum Lyapunov exponent is roughly proportional to the square root of the effective lever arm of the torque, and also roughly proportional to the initial velocity of the pitch. We demonstrate the existence of bifurcations that can produce changes in the location of the ball when it reaches the plate of as much as 1.2 m for specific initial conditions similar to those used by professional knuckleball pitchers. As we introduce additional complexity in the form of more faithful representations of the empirical asymmetry force measurements, we find that a larger fraction of the possible initial conditions result in dynamical chaos., Comment: 21 pages, 13 figures, accepted for publication in "Applied Mathematics and Computation"

Published
2020

21. Severe Attrition and Poor Satisfaction in Patients Undergoing Telerehabilitation vs. Standard In-Person Rehabilitation after Arthroscopic Rotator Cuff Repairs and Anterior Cruciate Ligament Reconstructions.

Author

Vasavada, Kinjal D., Shankar, Dhruv S., Avila, Amanda, Mojica, Edward S., Hurley, Eoghan T., Lehane, Kevin, Buzin, Scott D., Oeding, Jacob F., Stein, Spencer M., Gonzalez-Lomas, Guillem, Alaia, Michael J., Strauss, Eric J., Jazrawi, Laith M., and Campbell, Kirk A.

Subjects
ANTERIOR cruciate ligament surgery, PATIENT satisfaction, ROTATOR cuff, TELEREHABILITATION, RANDOMIZED controlled trials
Abstract

Background: The use of telerehabilitation after sports medicine procedures such as an arthroscopic rotator cuff repair (ARCR) and anterior cruciate ligament reconstruction (ACLR) has rapidly increased in recent years; however, the functional outcomes and patient satisfaction with telerehabilitation compared to in-person rehabilitation remain unclear. The purpose of this study was to compare the functional outcomes and patient satisfaction with telerehabilitation to in-person rehabilitation in a randomized controlled trial after two common sports procedures, ARCR and ACLR. Methods: Two randomized controlled trials were conducted involving patients scheduled to undergo ARCR or ACLR by one of six fellowship-trained sports medicine surgeons between October 2020 and November 2021. Each trial had an enrollment goal of 60 patients. Subjects were randomized 1:1 to receive telerehabilitation or in-person rehabilitation postoperatively. Functional outcome and satisfaction metrics were collected at baseline and at post-operative visits and compared between groups. Results: In total, 16 ACLR patients were enrolled, of whom 10 (62.5%) were assigned to in-person rehabilitation and 6 (37.5%) to telerehabilitation. Additionally, 32 ARCR patients were enrolled, of whom 20 (62.5%) were assigned in-person rehabilitation and 12 (37.5%) were assigned telerehabilitation. In total, of the 30 patients assigned to in-person rehabilitation, none reported a crossover to telerehabilitation. Of the 18 patients initially assigned to telerehabilitation, 12 (67%) completed the final follow-up survey, of which 11 (92%) reported a crossover; 9 patients completed in-person rehabilitation and 2 patients completed hybrid in-person and telerehabilitation. Conclusions: Patients preferred in-person rehabilitation compared to telerehabilitation after ACLR and ARCR, as evidenced by the nearly ubiquitous crossover from telerehabilitation to in-person rehabilitation in both studies. Our findings suggest that telerehabilitation protocols still need to be perfected, and that there may be a role for a hybrid in-person and tele-rehab model. [ABSTRACT FROM AUTHOR]

Published
2024
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23. I Am What I Am Because of Who We All Are

Author

Braman, Jonathan P, Bernthal, Nicholas, Freedman, Brett, Gofton, Wade, Hsu, Joseph, Sheps, David, and Strauss, Eric

Subjects
Canada, Fellowships and Scholarships, Humans, Orthopedics, Societies, Medical, Surgeons, Travel, United Kingdom, United States, Biomedical Engineering, Clinical Sciences
Published
2018

33. Kinesiophobia and Pain Catastrophizing Leads to Decreased Return to Sport Following Autologous Chondrocyte Implantation but Does Not Affect Return to Work

Author

Triana, Jairo, primary, Rao, Naina, additional, Buldo-Licciardi, Michael, additional, Lott, Ariana, additional, Rynecki, Nicole D., additional, Eskenazi, Jordan, additional, Alaia, Michael J., additional, Jazrawi, Laith M., additional, Strauss, Eric J., additional, and Campbell, Kirk A., additional

Published
2023
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39. Poster 169: Severe Attrition and Poor Satisfaction in Patients Undergoing Tele-Rehabilitation Versus Standard In-Office Rehabilitation After Arthroscopic Rotator Cuff Repair and Anterior Cruciate Ligament Reconstructions: Randomized Controlled Trials That Required Cessation

Author

Shankar, Dhruv, primary, Avila, Amanda, additional, Mojica, Edward, additional, Hurley, Eoghan, additional, Lehane, Kevin, additional, Buzin, Scott, additional, Oeding, Jacob, additional, Stein, Spencer, additional, Gonzalez-Lomas, Guillem, additional, Alaia, Michael, additional, Strauss, Eric, additional, Jazrawi, Laith, additional, Campbell, Kirk, additional, and Vasavada, Kinjal, additional

Published
2023
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42. Poster 282: Effect of Pre-operative Intra-articular Injections on Return to Sport, and Clinical Outcomes Following Knee Osteochondral Allograft Transplantation

Author

Li, Zachary, primary, Lott, Ariana, additional, Rynecki, Nicole, additional, Lewis, Courtney, additional, buldo-licciardi, michael, additional, Lomas, Guillem, additional, Alaia, Michael, additional, Strauss, Eric, additional, Jazrawi, Laith, additional, Campbell, Kirk, additional, and Triana, Jairo, additional

Published
2023
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