David A. Opar

1. A Novel Apparatus to Measure Knee Flexor Strength During Various Hamstring Exercises: A Reliability and Retrospective Injury Study
   2017/10/27 by Jack T. Hickey, Jack Hickey, Peter F. Hickey +6 · 2 citations
   Medicine · #Cardiovascular Effects of Exercise #Injury Epidemiology and Prevention #Sports injuries and prevention
2. A Novel Device Using the Nordic Hamstring Exercise to Assess Eccentric Knee Flexor Strength: A Reliability and Retrospective Injury Study
   2013/08/31 by David A. Opar, Timothy Piatkowski, Morgan D. Williams +3 · 2 citations
   Engineering · Medicine · #Knee injuries and reconstruction techniques #Lower Extremity Biomechanics and Pathologies #Sports injuries and prevention