Perelman School of Medicine at the University of Pennsylvania

McKay Orthopaedic Research Laboratory

Soslowsky Laboratory

Michael W. Hast, Ph.D.

Hast

Research Engineer
University of Pennsylvania

Hometown: York, Pennsylvania

Education: Ph.D. Mechanical Engineering, 2011, Pennsylvania State University
M.S. Mechanical Engineering, 2007, Pennsylvania State University
B.S. Mechanical Engineering, 2004, Pennsylvania State University

Areas of Special Interest: Biomechanics and Performance of Orthopaedic Implants (Computational Modeling, Contact Forces, Implant Design), Biomechanics of Orthopaedic Injury, Biomechanics of Tendon Healing

Peer-Reviewed Publications:
Hast MW, Zuskov A, Soslowsky LJ. The role of animal models in tendon research. Bone Joint Res 2014 3(6): 193-202.

Hast MW and Piazza SJ. Dual-Joint Modeling for Estimation of Total Knee Replacement Contact Forces During Locomotion. J Biomech Eng 135 (2013): 021004.

Thompson JA, Hast MW, Granger JF, Piazza SJ, Siston RA. The Biomechanical Effects of Total Knee Arthroplasty Component Malrotation: A Computer Simulation. J Orthop Res 29.7 (2011):969-975.

Landon RL, Hast MW, Piazza SJ. Robust Contact Modeling Using Trimmed NURBS Surfaces for Dynamic Simulations of Articular Contact. Comp Meth in App. Mech & Eng 198330 (2009):2339-2346.

Theses:
Hast MW: Assessment of Total Knee Replacement Performance Using Muscle-Driven Dynamic Simulations, Doctoral Dissertation in Mechanical Engineering, Pennsylvania State University, 2011.

Hast MW: Analysis of Total Knee Replacement Mechanics Using Dynamic Computer Simulations of Controlled Knee Flexions, Master's Thesis in Mechanical Engineering, Pennsylvania State University, 2007.

Conference Papers and Abstracts:
Trubelja A, Freedman BR, MacArthur JW, Hast MW, Sarver JJ, Cohen JE, Hiesinger W, Atluri P, Woo YJ.  Effects of Engineering SDF-1a on Infarcted Myocardium Under Dynamic Loading Conditions. Biomedical Engineering Society Annual Meeting, San Antonio, TX, October 2014.

Hast MW, Zuskov A, Weibel J, Schweitzer R, Soslowsky LJ. Mechanical Properties and Fiber Alignment of Postnatal Mouse Supraspinatus Tendons in Mohawk Knockout Mice. World Congress of Biomechanics, Boston MA, July 2014.   

Hast MW, Yannascoli S, Fryhofer GW, Tseng WJ, Altman AR, Liu XS, Soslowsky LJ. Overuse Following a Large Rotator Cuff Tear Alters Trabecular Bone Architecture, but Not Glenoid Curvature in a Rat Model. Trans Orthop Res Soc 39:132, 2014. Podium Presentation

Rooney SI, Loro E, Sarver JJ, Peltz CD, Hast MW, Tseng W-J, Liu XS, Khurana TS, Soslowsky LJ. Exercise Protocol Induces Muscle, Tendon, and Bone Adaptations in the Rat Shoulder. Trans Orthop Res Soc 39:1898, 2014.

Driscoll TP, Chang J, Keyes TS, Hast MW, Heo SJ, Mauck RL, Chao PG.  Engineered Fiber Crimp Alters Scaffold Mechanics, Cell Shape, and Strain Transfer to the Nucleus. Trans Orthop Res Soc 39:502, 2014. 

Hast MW, Piazza SJ. Dual-Joint Modeling for the Estimation of Total Knee Replacement Contact Forces During Locomotion, American Society of Mechanical Engineers Summer Bioengineering Conference, Nemacolin Woods, PA. June, 2011. Podium Presentation

Hast MW, Piazza SJ. Position of the Quadriceps Muscle Actuator Influences Knee Loads During Simulated Squat Testing. American Society of Biomechanics, Providence, RI. August, 2010. Podium Presentation

Hast MW, Walker CD, Piazza SJ. PCL Treatment Influences Sensitivity to Joint Line Changes in Total Knee Arthroplasty. Transactions of the American Society of Biomechanics, University Park, PA. August, 2009.

Hast MW, Walker CD, Piazza SJ. Management of Flexion-Extension Gap Inequality in TKA: A Computer Simulation Study. Trans Orthop Res Soc 34:2091, 2009.

Hast MW, Landon RL, Piazza SJ. Influence of Posterior Cruciate Ligament Treatment on Quadriceps Demand in TKR: A Computer Simulation Study. Transactions of the North American Congress of Biomechanics, Ann Arbor, MI. August 2008. Podium Presentation

Hast MW, Landon RL, Piazza SJ. Influence of Loading on Knee Extensor Mechanics in Total Knee Replacement: A Computer Simulation Study. Transactions of the American Society of Biomechanics, Palo Alto, CA. August, 2007.

Awards:
First Place- American Society of Mechanical Engineers Grand Challenge to Predict In Vivo Knee Loads, 2011

Second Place- Penn State Mechanical Engineering Department Senior Design Project Competition, 2004

Michael joined the McKay Lab in March of 2012. Prior to his graduate studies, Michael helped design and develop surgical tools and implants related to total knee replacements for Stryker Orthopaedics in Mahwah, New Jersey.

Michael enjoys spending time with his wife, Alexandria, and yellow lab, Boca. In his free time, Michael enjoys running, cooking, camping, skiing, and watching football.