Publications Russell EM, Miller RH, Umberger BR & Hamill J. (2012). Lateral wedges alter mediolateral load distributions at the knee joint in obese individuals. Journal of Orthopedic Research. In Press. Umberger BR, Augsburger S, Resig J, Oeffinger D, Shapiro R & Tylkowski C. (2012). Generation, absorption, and transfer of mechanical energy during walking in children. Medical Engineering and Physics. In Press.  [PDF] Miller RH, Umberger BR, Hamill J & Caldwell GC. (2012). Evaluation of the minimum energy hypothesis and other potential optimality criteria for human running. Proceedings of the Royal Society, B 279, 1498-1505.  [PDF] Miller RH, Umberger BR & Caldwell GC. (2012). Sensitivity of maximum sprinting speed to characteristic parameters of the muscle force-velocity relationship. Journal of Biomechanics 45, 1406- 1413.  [PDF] Miller RH, Umberger BR & Caldwell GC. (2012). Limitations to maximum sprinting speed imposed by muscle mechanical properties. Journal of Biomechanics 45, 1092-1097.  [PDF] Umberger BR & Rubenson J. (2011). Understanding muscle energetics in locomotion: new modeling and experimental approaches. Exercise and Sports Sciences Reviews 39, 59-67.  [PDF] Bolgla LA, Malone TR, Umberger BR & Uhl TL. (2011). Comparison of hip and knee strength and neuromuscular activity in subjects with and without patellofemoral pain syndrome. International Journal of Sports Physical Therapy 6, 285-296.  [PDF] Seeley MK, Umberger BR, Clasey JL & Shapiro R. (2010). The relation between mild leg-length inequality and able-bodied gait asymmetry. Journal of Sports Science and Medicine 9, 572-579.  [PDF] Umberger BR. (2010). Stance and swing phase costs in human walking. Journal of the Royal Society Interface 7, 1329-1340.  [PDF]  [Supplementary Material] Bolgla LA, Malone TR, Umberger BR & Uhl TL. (2010). Reliability of evaluation tools used for assessing hip and knee function, strength, and neuromuscular activity in females diagnosed with patellofemoral pain syndrome. Journal of Electromyography & Kinesiology 20, 142-147.  [PDF] Miller RH, Caldwell GC, van Emmerik REA, Umberger BR & Hamill J. (2009). Ground reaction forces and lower extremity kinematics when running with suppressed arm swing. Journal of Biomechanical Engineering 131, 124502.  [PDF] Umberger BR. (2008). Effects of suppressing arm swing on the kinematics, kinetics, and energetics of human walking. Journal of Biomechanics 41, 2575-2580.  [PDF] Seeley MK, Umberger BR & Shapiro R. (2008). A test of the functional asymmetry hypothesis in walking. Gait & Posture 28, 24-28.  [PDF] Bolgla LA, Malone TR, Umberger BR & Uhl TL. (2008). Hip strength and hip and knee kinematics during stair descent in females with and without patellofemoral pain syndrome. Journal of Orthopedic & Sports Physical Therapy 38, 12-18.  [PDF] Umberger BR & Martin PE. (2007). Mechanical power and efficiency of level walking with different stride rates. Journal of Experimental Biology 210, 3255-3265.  [PDF] Umberger BR, Gerritsen KGM & Martin PE. (2006). Muscle fiber type effects on energetically-optimal cadences in cycling. Journal of Biomechanics 39, 1472-1479.  [PDF] Nagano A, Umberger BR, Marzke MW & Gerritsen KGM. (2005). Neuromusculoskeletal computer modeling and simulation of upright, straight-legged, bipedal locomotion of Australopithecus afarensis. American Journal of Physical Anthropology 126, 2-13.  [PDF] Umberger BR. (2003). Comments on “Influence of pedalling rate on the energy cost of cycling in humans”. European Journal of Applied Physiology 90, 219-220.  [PDF] Umberger BR, Gerritsen KGM & Martin PE. (2003). A model of human muscle energy expenditure. Computer Methods in Biomechanics & Biomedical Engineering 6, 99-111.  [PDF]  [Corrections] Martin PE & Umberger BR. (2003). Trends in Interdisciplinary and Integrative Graduate Training: an NSF IGERT example. Quest 55, 86-94.  [PDF] Umberger BR & Martin PE. (2001). Testing the planar assumption during ergometer cycling. Journal of Applied Biomechanics 17, 55-62.  [PDF] Robertson SD, Kao JC, Winges JB & Umberger BR. (2001). Postural stability constrains the mode of bimanual coordination. In G Burton & RC Schmidt (Eds.), Studies in Perception and Action, VI. Hillsdale, NJ: Lawrence Erlbaum Associates. 165-168. Martin PE, Sanderson DJ & Umberger BR. (2000). Factors affecting preferred rates of movement in cyclic activities. In VM Zatsiorsky (Ed.), The Encyclopedia of Sports Medicine: Biomechanics in Sport. Oxford: Blackwell Science. 143-160. Nawoczenski DA, Baumhauer JF, & Umberger BR. (1999). Relationship between clinical measurements and first metatarsophalangeal joint motion during gait. Journal of Bone & Joint Surgery 81-A, 370-376.  [PDF] Umberger BR, Nawoczenski DA & Baumhauer JF. (1999). Reliability and validity of first metatarsophalangeal joint orientation measured with an electromagnetic tracking device. Clinical Biomechanics 14, 74-76.  [PDF] Umberger BR, Scheuchenzuber HJ & Manos TM. (1998). Differences in power output during cycling at different seat tube angles. Journal of Human Movement Studies 35, 1-36.  [PDF] Umberger BR. (1998). Mechanics of the vertical jump and two-joint muscles: implications for training. Strength and Conditioning Journal 20, 70-74.  [PDF] © 2012 LRG | Department of Kinesiology | University of Massachusetts Amherst Locomotion Research Group Department of Kinesiology University of Massachusetts 30 Eastman Lane Amherst, MA 01003-9258 Phone: 413-545-1436 Fax: 413-545-2906