TERRY L. TRUNDLE

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About

Terry L. Trundle’s research centers on resistance training biomechanics, specifically comparing isotonic and isokinetic exercise modalities for lower-body strength and power development. His most influential work, “Isotonic Preload Versus Isokinetic Knee Extension Resistance Training” (1994, 41 citations), systematically examined how active robotic resistance affects full range-of-motion strength gains. By randomly assigning 32 participants to isotonic, isokinetic, or control groups over six weeks of training, Trundle provided early, rigorous evidence on modality-specific adaptations in concentric knee extension. A follow-up study (1995, 23 citations) reinforced these findings, highlighting the role of preload in optimizing power output. Trundle’s contributions are foundational for practitioners designing rehabilitation and athletic training programs, as his work clarifies how different resistance types influence neuromuscular development. His research remains a key reference for studies comparing dynamic constant external resistance with isokinetic devices, offering practical insights for strength coaches and physical therapists. Through controlled experimental designs and clear outcome measures, Trundle advanced the science of resistance training prescription, making his work a staple in exercise physiology curricula and applied sports science.