Research Topics
| Joseph HamillSummaryAffiliation: University of Wisconsin-Milwaukee Country: USA Publications
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Detail Information
Publications
Effect of footwear on high and low arched runners' mechanics during a prolonged runRobert J Butler
Department of Physical Therapy, University of Evansville, 1800 Lincoln Avenue, Evansille, IN 47722, USA
Gait Posture 26:219-25. 2007..Therefore, the purpose of this study was to evaluate changes in kinematics and kinetics over the course of a prolonged run when low (LA) and high (HA) arched runners wear motion control and cushioning shoes...- The role of selected extrinsic foot muscles during runningKristian M O'Connor
Biomechanics Laboratory, University of Massachusetts, Amherst, MA 01003, USA
Clin Biomech (Bristol, Avon) 19:71-7. 2004..To determine the kinematic, kinetic and EMG responses to perturbations of the foot by running in varus, neutral, and valgus-wedged shoes... 
Differences in cutting knee mechanics based on principal components analysisKristian M O'Connor
Department of Human Movement Sciences, Neuromechanics Laboratory, University of Wisconsin Milwaukee, Milwaukee, WI 53201l, USA
Med Sci Sports Exerc 41:867-78. 2009..The purpose of this study was to examine gender differences in cutting knee mechanics using PCA and to compare these findings to those based on traditional discrete measures...- Examination of extrinsic foot muscles during running using mfMRI and EMGKristian M O'Connor
Biomechanics Laboratory, University of Massachusetts Amherst, Amherst, MA 01003, USA
J Electromyogr Kinesiol 16:522-30. 2006..It also appears that surface EMG was more sensitive to differences between conditions than mfMRI. However, this study illustrated that mfMRI may be a useful tool for quantifying muscle activity in cases where surface EMG is inadequate... - Influence of low back pain status on pelvis-trunk coordination during walking and runningJoseph F Seay
Department of Kinesiology, University of Massachusetts Amherst, MA, USA
Spine (Phila Pa 1976) 36:E1070-9. 2011..Two-way repeated-measures analysis of variance... - Locomotor-respiratory coupling patterns and oxygen consumption during walking above and below preferred stride frequencyJoseph O'Halloran
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts, Amherst, MA 01003, USA
Eur J Appl Physiol 112:929-40. 2012..Contrary to the belief that increased strength of frequency coupling would decrease oxygen consumption; these results conclude that it is the increased variability of frequency coupling that results in lower oxygen consumption... - Influence of running shoe midsole composition and custom foot orthotic intervention on lower extremity dynamics during runningChristopher L MacLean
Biomechanics Laboratory, Dept of Kinesiology, University of Massachusetts, Amherst, MA, USA
J Appl Biomech 25:54-63. 2009..In addition, data suggest that the foot orthoses appear to compensate for the lesser shoe stability enabling it to function in a way similar to that of a shoe of greater stability... - Low back pain status affects pelvis-trunk coordination and variability during walking and runningJoseph F Seay
Department of Kinesiology, University of Massachusetts Amherst, MA, USA
Clin Biomech (Bristol, Avon) 26:572-8. 2011.... - Ground reaction forces and lower extremity kinematics when running with suppressed arm swingRoss H Miller
Department of Kinesiology, University of Massachusetts, 30 Eastman Lane, Amherst, MA 01003, USA
J Biomech Eng 131:124502. 2009..The decision to include arm swing in a computer model will likely need to be made on a case-by-case basis, depending on the design of the study and the accuracy needed to answer the research question... - Coordination variability around the walk to run transition during human locomotionJoseph F Seay
Dept of Exercise Science, University of Massachusetts, Amherst, MA 01003, USA
Motor Control 10:178-96. 2006..The results demonstrate the complexity of segmental coordination change in human locomotion, and question the applicability of dynamical bimanual coordination models to human gait transitions... - Influence of custom foot orthotic intervention on lower extremity intralimb coupling during a 30-minute runChristopher L MacLean
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
J Appl Biomech 26:390-9. 2010..In addition, it appears that the coupling angle between the knee (transverse plane) and rearfoot (frontal plane) joints becomes more symmetrical in the late stance phase as a run progresses... - Influence of a custom foot orthotic intervention on lower extremity dynamics in healthy runnersChristopher Maclean
Department of Exercise Science, University of Massachusetts-Amherst, 111 Totman Building, 30 Eastman Lane, Amherst, MA 01003-9258, USA
Clin Biomech (Bristol, Avon) 21:623-30. 2006..Furthering our understanding of the dynamic influence will not only inform improved prescription and manufacturing practices but may provide insight into the mechanisms that cause overuse injuries... 
Evaluation of the minimum energy hypothesis and other potential optimality criteria for human runningRoss H Miller
Department of Kinesiology, University of Massachusetts, Amherst, MA, USA
Proc Biol Sci 279:1498-505. 2012..The results suggest a potential control strategy centred on muscle activation for economical running...- Lateral wedges decrease biomechanical risk factors for knee osteoarthritis in obese womenElizabeth M Russell
Biomechanics Laboratory, The Andrews Paulos Research and Education Institute, 1020 Gulf Breeze Parkway, Gulf Breeze, FL 32561, USA
J Biomech 44:2286-91. 2011..However, the long-term effects of the insole have not yet been examined... - Gender differences in lower extremity coupling variability during an unanticipated cutting maneuverChristine D Pollard
Dept. of Exercise Science, Univ. of Massachusetts, Amherst, MA 01003, USA
J Appl Biomech 21:143-52. 2005..These perturbations applied to a less flexible system may result in ligament injury... - Lower extremity joint stiffness in runners with low back painJoseph Hamill
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts, Amherst, MA 01003, USA
Res Sports Med 17:260-73. 2009..The decreased attenuation may increase the level of the shock to the low back region, thus potentially increasing the load on the low back... - Short- and long-term influences of a custom foot orthotic intervention on lower extremity dynamicsChristopher L MacLean
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, USA
Clin J Sport Med 18:338-43. 2008.... - Quantifying rearfoot-forefoot coordination in human walkingRyan Chang
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts Amherst, 30 Eastman Lane, 110 Totman, Amherst, MA 01003, USA
J Biomech 41:3101-5. 2008..The technique offers a new perspective on coordination and may provide insight into deformations of underlying tissues, such as the plantar fascia... - Influence of gender, estrogen and exercise on anterior knee laxityChristine D Pollard
Department of Exercise Science, University of Massachusetts, Amherst, MA, USA
Clin Biomech (Bristol, Avon) 21:1060-6. 2006..The purpose of this study was to investigate the collective effects of gender, estrogen and exercise on knee laxity... - Gait initiation in multiple sclerosisJebb G Remelius
Dept of Kinesiology, University of Massachusetts, Amherst, MA 01003, USA
Motor Control 12:93-108. 2008..Overall, during gait initiation at their preferred speed the MS participants adopted a functional strategy that produces lower speed and reduced proximity to the stability boundaries prior to stepping... - In vivo lumbo-sacral forces and moments during constant speed running at different stride lengthsJoseph Seay
Department of Kinesiology, University of Massachusetts Amherst, Massachusetts, Amherst, USA
J Sports Sci 26:1519-29. 2008..006). We concluded from our findings that our model was sensitive to our perturbations in healthy runners, and may prove useful in future mechanistic studies of L5-S1 mechanics... - Multi-segmental torso coordination during the transition from sitting to standingMolly B Johnson
Neuroscience and Behavior Program, 110 Totman Bldg, 30 Eastman Lane, University of Massachusetts, Amherst, MA 01003, USA
Clin Biomech (Bristol, Avon) 25:199-205. 2010..The purpose of this study was to determine the motion and temporal coordination of the head and multiple torso segments during the sit-to-stand task... - Adaptations in interlimb and intralimb coordination to asymmetrical loading in human walkingJeffrey M Haddad
Motor Control Laboratories, Department of Exercise Science, University of Massachusetts, 110 Totman Building, Amherst, MA 01003, USA
Gait Posture 23:429-34. 2006..The observed adaptation in differences between interlimb and intralimb coordination may provide insight into gait adaptations in pathological gait... - Variability in kinematic coupling assessed by vector coding and continuous relative phaseRoss H Miller
Biomechanics and Motor Control Laboratories, Department of Kinesiology, University of Massachusetts, 110 Totman Building, Amherst, MA 01002, USA
J Biomech 43:2554-60. 2010..2). The results suggest that comparisons between the findings of studies that have quantified variability using CRP and those that have used vector coding should be made with caution... - Influence of embedding parameters and noise in center of pressure recurrence quantification analysisChristopher J Hasson
Biomechanics and Motor Control Laboratories, Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA 01003 9258, United States
Gait Posture 27:416-22. 2008..The results suggest that careful selection of embedding parameters is essential when using RQA to examine postural control based on noisy CoP data... - Time-to-contact and multiscale entropy identify differences in postural control in adolescent idiopathic scoliosisAllison H Gruber
University of Massachusetts Amherst, 23A Totman Building, 30 Eastman Lane, Amherst, MA 01003 9258, United States
Gait Posture 34:13-8. 2011..Additionally, the application of the measures used to assess the nature of the postural control changes in AIS should also be considered... - Computer simulation of the effects of shoe cushioning on internal and external loading during running impactsRoss H Miller
Department of Kinesiology, University of Massachusetts, Amherst, MA 01003, USA
Comput Methods Biomech Biomed Engin 12:481-90. 2009.... - Does stride length influence metabolic cost and biomechanical risk factors for knee osteoarthritis in obese women?Elizabeth M Russell
Biomechanics and Energy Metabolism Laboratories, Department of Kinesiology, University of Massachusetts, 30 Eastman Lane, Amherst, MA 01003, USA
Clin Biomech (Bristol, Avon) 25:438-43. 2010.... - A prospective study of iliotibial band strain in runnersJoseph Hamill
Biomechanics Laboratory, Department of Kinesiology, University of Massachusetts, Amherst, MA 01003, USA
Clin Biomech (Bristol, Avon) 23:1018-25. 2008..The purpose of this study was to investigate mechanical strain in the iliotibial band as a possible causative factor in the development of iliotibial band syndrome... - Frontal plane moments do not accurately reflect ankle dynamics during runningJoseph Hamill
Biomechanics Laboratory, University of Massachusetts, Amherst, 53201, USA
J Appl Biomech 21:85-95. 2005..The subtalar joint axis moment, however, was invertor during most of the stance. These two patterns may result in qualitatively different interpretations of the muscular contributions at the ankle during the stance phase of running... - Evaluation of time-to-contact measures for assessing postural stabilityJeffrey M Haddad
Biomechanics and Motor Control Laboratories, Dept. of Exercise Science, University of Massachusetts, Amherst, MA 01003, USA
J Appl Biomech 22:155-61. 2006..The effects of the different methodologies on TtC values will be assessed, and issues regarding the interpretation of TtC data will also be discussed... - Influence of gender on hip and knee mechanics during a randomly cued cutting maneuverChristine D Pollard
Department of Exercise Science, University of Massachusetts, Amherst, MA, USA
Clin Biomech (Bristol, Avon) 19:1022-31. 2004..To investigate gender differences in three-dimensional hip and knee joint mechanics in collegiate athletes during a randomly cued cutting maneuver... - Use of MRI for volume estimation of tibialis posterior and plantar intrinsic foot muscles in healthy and chronic plantar fasciitis limbsRyan Chang
Biomechanics, Department of Kinesiology, University of Massachusetts Amherst, Amherst 01003, USA
Clin Biomech (Bristol, Avon) 27:500-5. 2012..The second purpose was to determine whether chronic plantar fasciitis is accompanied by atrophy of plantar intrinsic foot muscles and tibialis posterior... - Biomechanics, exercise physiology, and the 75th anniversary of RQESJoseph Hamill
Department of Exercise Science, University of Massachusetts, Amherst, MA 01003, USA
Res Q Exerc Sport 76:S53-61. 2005..Many of the leading scholars, past and present, in both biomechanics and exercise physiology were authors of papers in RQES... - Coordinative variability and overuse injuryJoseph Hamill
Department of Kinesiology, Biomechanics Laboratory, University of Massachusetts Amherst, 30 Eastman Lane, Amherst, 01003, MA, USA
Sports Med Arthrosc Rehabil Ther Technol 4:45. 2012..Nevertheless, our laboratory believes that this understanding of how joints interact can be important in understanding overuse injuries... - Running training and adaptive strategies of locomotor-respiratory coordinationWilliam J McDermott
Department of Exercise Science, University of Massachusetts, 110 Totman Building, Amherst, MA 01003, USA
Eur J Appl Physiol 89:435-44. 2003..These findings suggest that running training does not change the strength of locomotor-respiratory coupling but rather how these systems adapt to changing speeds... - Kinematic adaptations during running: effects of footwear, surface, and durationElizabeth C Hardin
Department of Biomedical Engineering, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA
Med Sci Sports Exerc 36:838-44. 2004..Repetitive impacts encountered during locomotion may be modified by footwear and/or surface. Changes in kinematics may occur either as a direct response to altered mechanical conditions or over time as active adaptations... - Orthotic intervention in forefoot and rearfoot strike running patternsCarrie Laughton Stackhouse
Motion Analysis Laboratory, Shriners Hospitals for Children, 3551 North Broad Street, Philadelphia, PA 19140, USA
Clin Biomech (Bristol, Avon) 19:64-70. 2004..To compare the differential effect of custom orthoses on the lower extremity mechanics of a forefoot and rearfoot strike pattern... - Interaction of arch type and footwear on running mechanicsRobert J Butler
Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
Am J Sports Med 34:1998-2005. 2006..Yet little is known about the biomechanical changes of running in the recommended footwear that may allow for a reduction in injuries... - Biomechanical predictors of retrospective tibial stress fractures in runnersMichael B Pohl
Department of Physical Therapy, University of Delaware, Newark, DE 19716, USA
J Biomech 41:1160-5. 2008..Based on these results, HADD, FM and RFEV appear to be the most important of the variables of interest in terms of predicting retrospective TSF in female runners... - Characteristics of the vertical ground reaction force component prior to gait transitionLi Li
Department of Kinesiology at Louisiana State University, Baton Rouge 70803, USA
Res Q Exerc Sport 73:229-37. 2002..The walking VGRF first peak increased linearly, and the second peak decreased quadratically prior to walk-to-run transition. Walking VGRF appearing to be more sensitive to acceleration than the running VGRF... - Coordination variability and skill development in expert triple jumpersCassie Wilson
Cardiff School of Sport, University of Wales Institute Cardiff, Cardiff, UK
Sports Biomech 7:2-9. 2008..This study highlights the need to address the learning effect when analysing coordination variability from a dynamical systems perspective... - ASB clinical biomechanics award winner 2006 prospective study of the biomechanical factors associated with iliotibial band syndromeBrian Noehren
Department of Physical Therapy, University of Delaware, 301 McKinly Laboratory, Newark, DE 19716, USA
Clin Biomech (Bristol, Avon) 22:951-6. 2007..Additionally, the iliotibial band syndrome group were expected to have greater hip abduction, knee external rotation, and rearfoot inversion moments... - High-arched runners exhibit increased leg stiffness compared to low-arched runnersDorsey S Williams
Department of Physical Therapy, East Carolina University, Greenville, NC 27858 4353, USA
Gait Posture 19:263-9. 2004..Differences in lower extremity kinetics in individuals with different foot types may have implications for new treatment strategies or preventative measures... - Stability and variability may respond differently to changes in walking speedLi Li
Department of Kinesiology, Louisiana State University, 112 Long Fieldhouse, Baton Rouge, LA 70803, USA
Hum Mov Sci 24:257-67. 2005..004). No significant correlation between variability and stability was observed (r=-0.002). We suggest that gait stability is independent of variability during locomotion and should thus be measured independently... - Normalization of ground reaction forcesDavid R Mullineaux
DATA Squared (contact via http://www.dataswuared.org
J Appl Biomech 22:230-3. 2006..Ratio normalization of forces to mass, as predicted through Newtonian mechanics, is recommended for comparing subjects of different masses... - Relationship between shock attenuation and stride length during running at different velocitiesJohn A Mercer
University of Nevada, Las Vegas, Department of Kinesiology, 4505 Maryland Parkway, Box 453034, Las Vegas, NV 89154 3034, USA
Eur J Appl Physiol 87:403-8. 2002..Furthermore, the change in shock attenuation was due to increased leg not head peak impact acceleration across running speeds... - Are knee mechanics during early stance related to tibial stress fracture in runners?Clare E Milner
Department of Exercise, Sport, and Leisure Studies, University of Tennessee, Knoxville, TN 37996 2700, USA
Clin Biomech (Bristol, Avon) 22:697-703. 2007..The purpose of this study was to further investigate lower extremity mechanics in early stance in runners with a history of tibial stress fracture. In addition, the relationships between these variables were explored... - Free moment as a predictor of tibial stress fracture in distance runnersClare E Milner
Department of Physical Therapy, University of Delaware, 301 McKinly Lab, Newark, DE 19716, USA
J Biomech 39:2819-25. 2006..Absolute peak FM had a significant predictive relationship with history of TSF. There is a significant relationship between higher values for FM variables and a history of TSF... - Kinetic asymmetry in female runners with and without retrospective tibial stress fracturesRebecca Avrin Zifchock
Motion Analysis Laboratory, University of Delaware, Newark, DE 1976, USA
J Biomech 39:2792-7. 2006..This suggests that previously injured runners may be closer to the injury threshold and, thus, more susceptible. Asymmetry may simply influence the side on which they become injured... - Biomechanical factors associated with tibial stress fracture in female runnersClare E Milner
Department of Physical Therapy, University of Delaware, Newark, DE 19716, USA
Med Sci Sports Exerc 38:323-8. 2006..This cross-sectional study was conducted to determine whether differences in structure and running mechanics exist between trained distance runners with a history of prior TSF and those who have never sustained a fracture... - Biomechanics of skateboarding: kinetics of the OllieEdward C Frederick
Exeter Research Inc, Brentwood, NH 03833, USA
J Appl Biomech 22:33-40. 2006..7 cm and crouched body position. But we observed that our participants intentionally affected a firm landing to stabilize the landing position; and the Ollie off the platform raised the center of mass, also contributing to higher forces... - A three-dimensional data visualization technique for reporting movement pattern deviationsKurt Manal
Center for Biomedical Engineering Research, 126, Spencer Laboratory, University of Delaware, Newark, DE 19716, USA
J Biomech 38:2151-6. 2005..The algorithmic development of the color-coded parameter-parameter-time display is presented and comparative patient and normative data are reported...