--> Journal Publications
13. Farris DJ, Sawicki GS, "The mechanics and energetics of human walking and running: a joint-level perspective". J R Soc Interface. on-line before print May, 25 (2011).
12. Sawicki GS, Lewis CL, Ferris DP, "It pays to have a spring in your step". Exerc Sport Sci Rev. 37(3):130-8 (2009).
11. Sawicki GS, Ferris DP, "A pneumatically powered knee-ankle-foot orthosis (KAFO) with myoelectric activation and inhibition". J Neuroeng Rehabil. 6(1):23 (2009).
10. Sawicki GS, Ferris DP, "Mechanics and energetics of incline walking with robotic ankle exoskeletons". J Exp Biol. 212(Pt 1):32-41 (2009).
9. Sawicki GS, Ferris DP, "Powered exoskeletons reveal the metabolic cost of plantar flexor mechanical work during walking with longer steps at constant step frequency". J Exp Biol. 212(Pt 1):21-31 (2009).
*8. Sawicki GS, Ferris DP, "Mechanics and energetics of level walking with powered ankle exoskeletons". J Exp Biol. 211(Pt 9):1402-1413 (2008).
*This article was featured in the column 'Inside JEB'.
7. Ferris DP, Sawicki GS, Daley, MA, "A physiologist's perspective on robotic exoskeletons for human locomotion". International Journal of Humanoid Robotics. 4(3):507-528 (2007).
6. Domingo A, Sawicki GS, Ferris DP, "Kinematics and muscle activity of individuals with incomplete spinal cord injury during treadmill stepping with and without manual assistance". J Neuroeng Rehabil. 4:32 (2007).
5. Sawicki GS, Domingo A, Ferris DP, "The effects of powered ankle-foot orthoses on joint kinematics and muscle activation during walking in individuals with incomplete spinal cord injury ". J Neuroeng Rehabil. 3:3 (2006).
4. Gordon KE, Sawicki GS, Ferris DP, "Mechanical performance of artificial pneumatic muscles to power an ankle-foot orthosis". J Biomech. 39(10):1832-41 (2006).
3. Ferris DP , Gordon KE, Sawicki GS, Peethambaran A, "An improved powered ankle-foot orthosis using proportional myoelectric control". Gait Posture. 23(4):425-8 (2006).
2. Ferris DP, Sawicki GS, Domingo A., "Powered lower limb orthoses for gait rehabilitation". Top Spinal Cord Inj Rehabil. 11(2):34-49 (2005).
1a. Sawicki GS, Hubbard M, Stronge WJ, "Reply to Comment on "How to hit home runs: Optimum baseball swing parameters for maximum range trajectories", by G. S. Sawicki, M. Hubbard, and W. J. Stronge [Am. J. Phys. 71(11):1152-62 (2003)]". Am J Phys. 73(2):185-89 (2005).
1. Sawicki GS, Hubbard M, Stronge WJ, "How to hit homeruns: Optimum bat swing parameters for maximum range trajectories". Am J Phys. 71(11):1152-62 (2003).
*This article was featured in Science and on the NPR radio program 'Day to Day' with Mike Pesca and Ira Flatow listen here.
--> Engineering Conference Papers (Peer Reviewed)
3. Robertson BD, Sawicki GS, "Influence of parallel spring-loaded exoskeleton on ankle muscle-tendon dymamics during simulated human hopping". Proceedings of the 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, September 1-4: (2011).
2. Wiggin MB, Collins SH, Sawicki GS, "An exoskeleton using controlled energy storage and release to aid ankle propulsion". Proceedings of the 12th Biannual International IEEE Conference on Rehabilitation Robotics, June 29-July 1: (2011).
1. Sawicki GS, Gordon KE, Ferris DP, "Powered lower limb orthoses: Applications in Motor Adapatation and Rehabilitation". Proceedings of the 9th Biannual International IEEE Conference on Rehabilitation Robotics, June 28-July 1: 206-11 (2005).
--> Manuscripts In Review
1. Farris DJ, Sawicki GS, (In Review) "Human medial gastrocnemius force-velocity behaviour shifts with locomotion speed and gait". Proceedings of the National Academy of Sciences. (2011).
--> Manuscripts In Preparation
3. Sawicki GS, Sheppard P, Roberts TJ, (In Prep) "Muscle-tendon power amplification during in vitro contractions against an inertial load in gravity". Proceedings of the Royal Society B: Biological Sciences. (2011).
2. Sawicki GS, Roberts TJ, (In Prep) "Muscle-tendon length trajectory for isometric force production in a compliant muscle-tendon". Journal of Biomechanics. (2011).
1. Sawicki GS, Azizi E, Roberts TJ, (In Prep) "Activation timing influences muscle-tendon mechanics during cyclic contractions". Journal of Applied Physiology. (2011).
-->Conference Abstracts
24. Wutzke CJ, Sawicki GS, Lewek MD, "Influence of a fixed ankle on joint mechanics and metabolic cost of walking". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
23. Hampton A, Farris DJ, Sawicki GS, "Mechanics and energetics of post-stroke walking: Towards a muscle-level understanding". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
22. Robertson BD, Sawicki GS, "Controlling compliance: Feed-forward stimulation pattern influences elastic tuning during cyclic muscle-tendon contractions". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
21. Matta P, Myers J, Sawicki GS, "The influence of ball mass on youth baseball injury potential: A simulation study". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
20. Farris DJ, Sawicki GS, "Force-velocity behaviour of human gastrocnemius shifts at the walk to run transition". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
19. Farris DJ, Sawicki GS, "The mechanics and energetics of human walking and running: A joint-level perspective". 35th Annual Meeting of American Society of Biomechanics, August 10-13, Long Beach, California (2011).
18. Sawicki GS, Farris DJ, "Mechanics and energetics of human hopping with a passive-elastic ankle exoskeleton". 34th Annual Meeting of American Society of Biomechanics, August 18-21, Providence, Rhode Island (2010).
17. Farris DJ, Sawicki GS, "Spring-loaded ankle exoskeletons reduce metabolic cost and alter gastrocnemius fascicle behaviour in human hopping". 34th Annual Meeting of American Society of Biomechanics, August 18-21, Providence, Rhode Island (2010).
16. Wiggin MB, Collins SH, Sawicki GS, "A passive-elastic ankle exoskeleton using controlled energy storage and release". 34th Annual Meeting of American Society of Biomechanics, August 18-21, Providence, Rhode Island (2010).
15. Sheppard P, Sawicki GS, Roberts TJ, "Power augmentation in a compliant muscle-tendon system". 33rd Annual Meeting of American Society of Biomechanics, August 26-29, State College, Pennsylvania (2009).
14. Sawicki GS, Roberts TJ, "Isometric force production requires asymmetric muscle-tendon length trajectory". 33rd Annual Meeting of American Society of Biomechanics, August 26-29, State College, Pennsylvania (2009).
13. Sawicki GS, Azizi E, Roberts TJ, "Muscle activation timing influences muscle-tendon mechanical performance during cyclic contractions". North American Congress on Biomechanics, August 5-9, Ann Arbor, Michigan (2008).
12. Sawicki GS, Ferris DP, "Mechanics and energetics of incline walking with powered ankle exoskeletons". 31st Annual Meeting of American Society of Biomechanics, August 22-25, Palo Alto, California (2007).
11. Sawicki GS, Ferris DP, "Mechanics and energetics of level walking with powered ankle exoskeletons". 31st Annual Meeting of American Society of Biomechanics, August 22-25, Palo Alto, California (2007).
10. Domingo A, Sawicki GS, Ferris DP, "Kinematics and muscle activity in spinal cord injury patients during locomotor training with and without manual assistance". Fifth World Congress of Biomechanics, July 29-August 4, Munich, Germany (2006).
9. Sawicki GS, Ferris DP, "Mechanics and control of a knee-ankle-foot orthosis (KAFO) powered with artificial pneumatic muscles". Fifth World Congress of Biomechanics, July 29-August 4, Munich, Germany (2006).
8. Gordon KE, Sawicki GS, Ferris DP, "Mechanical performance of artificial pneumatic muscles to power an ankle-foot orthosis". XXth Congress of the International Society of Biomechanics and 29th Annual Meeting of the American Society of Biomechanics, August 1-5, Cleveland, Ohio (2005).
7. Domingo A, Sawicki GS, Ferris DP, "Muscle activation during manually assisted treadmill training after incomplete spinal cord injury". XXth Congress of the International Society of Biomechanics and 29th Annual Meeting of the American Society of Biomechanics, August 1-5, Cleveland, Ohio (2005).
6. Sawicki GS, Domingo A, Ferris DP, "Therapist controlled powered lower limb orthoses to assist locomotor training". XXth Congress of the International Society of Biomechanics and 29th Annual Meeting of the American Society of Biomechanics, August 1-5, Cleveland, Ohio (2005).
5. Sawicki GS, Domingo A, Ferris DP, "Powered lower limb orthoses to assist gait rehabilitation after spinal cord injury". The Society for the Neural Control of Movement Annual Meeting, April 12-17, Key Biscayne, Florida (2005).
4. Sawicki GS, "Do we walk at the 'edge of chaos': Complexity in neuromechanical systems". XXth Proceedings of the Santa Fe Institute Complex Systems Summer School, (2004).
3. Sawicki GS, Benkoe G, Wantia J, Erb, P, "Coupled motivations for power, affiliation, and achievement: Modeling resource allocation dynamics in social organizations". XXth Proceedings of the Santa Fe Institute Complex Systems Summer School, (2004).
2. Sawicki GS, Peethambaran, A, Ferris DP, "Powered lower limb orthoses to assist locomotor training". Christopher Reeve Paralysis Foundation Spinal Cord Symposium, March 21-23, Oak Brook, Illinois, USA (2004).
1. Sawicki GS, Ferris DP, "A knee-ankle-foot orthosis (KAFO) powered by artificial pneumatic muscles". XIXth Congress of the International Society of Biomechanics, July 6-11, Dunedin, New Zealand (2003).
*Last Updated by GSS on: July 13, 2011