J. Challis

发表

Accuracy assessment and control point configuration when using the DLT for photogrammetry.

J. Challis, D. Kerwin, 1992, Journal of biomechanics.

Accuracy of Human Limb Moment of Inertia Estimations and Their influence on Resultant Joint Moments

J. Challis, 1996 .

The role of the heel pad and shank soft tissue during impacts: a further resolution of a paradox.

J. Challis, M. Pain, Matthew T.G. Pain, 2001, Journal of biomechanics.

A procedure for determining rigid body transformation parameters.

J. Challis, 1995, Journal of biomechanics.

Timing accuracy in human throwing.

J H Challis, A G Chowdhary, J. Challis, 1999, Journal of theoretical biology.

Determining individual muscle forces during maximal activity: Model development, parameter determination, and validation

J. Challis, D. Kerwin, 1994 .

Speed influences on the scaling behavior of gait cycle fluctuations during treadmill running.

K. Newell, J. Challis, K. Jordan, 2007, Human movement science.

Long range correlations in the stride interval of running.

K. Newell, J. Challis, K. Jordan, 2006, Gait & posture.

Haptic tracking permits bimanual independence.

D. Rosenbaum, J. Challis, A.M. Dawson, 2006, Journal of experimental psychology. Human perception and performance.

The influence of soft tissue movement on ground reaction forces, joint torques and joint reaction forces in drop landings.

J. Challis, M. Pain, 2006, Journal of biomechanics.

Postural Stability Margins as a Function of Support Surface Slopes

K. Newell, J. Challis, A. Dutt-Mazumder, 2016, PloS one.

Time-to-boundary measures of postural control during single leg quiet standing.

J. Challis, J. Hertel, Lauren C. Olmsted-Kramer, 2006, Journal of applied biomechanics.

Compensatory mechanisms of balance to the scaling of arm-swing frequency.

Karl M Newell, Zheng Wang, John H Challis, 2015, Journal of biomechanics.

Measuring Subject Specific Muscle Model Parameters of the First Dorsal Interosseous In Vivo

John H. Challis, J. Challis, Benjamin W. Infantolino, 2014, Annals of Biomedical Engineering.

The thesis of Yao Sun was reviewed and approved* by the following: Mark L. Latash Distinguished Professor of Kinesiology Thesis Adviser

V. Zatsiorsky, R. Sainburg, J. Challis, 2011 .

Producing physiologically realistic individual muscle force estimations by imposing constraints when using optimization techniques.

J. Challis, 1997, Medical engineering & physics.

The influence of model parameters on model validation

J. Challis, M. Pain, S. Forrester, 2019, Computer methods in biomechanics and biomedical engineering.

Soft Tissue Motion Influences Skeletal Loads During Impacts

J. Challis, M. Pain, 2008, Exercise and sport sciences reviews.

Stability and the time-dependent structure of gait variability in walking and running.

K. Newell, J. Cusumano, J. Challis, 2009, Human movement science.

Classifying the variability in impact and active peak vertical ground reaction forces during running using DFA and ARFIMA models.

J. Challis, S. Winter, 2017, Human movement science.

Walking speed influences on gait cycle variability.

K. Newell, J. Challis, K. Jordan, 2007, Gait & posture.

Elastic energy within the human plantar aponeurosis contributes to arch shortening during the push-off phase of running.

J. Challis, J. Wager, 2016, Journal of biomechanics.

Inverse Dynamics and Energetics

J. Challis, 2020 .

Quantification of the uncertainties in resultant joint moments computed in a dynamic activity.

J. Challis, D. Kerwin, 1996, Journal of sports sciences.

Midtarsal joint locking: New perspectives on an old paradigm

John H Challis, Nori Okita, Neil A Sharkey, 2014, Journal of orthopaedic research : official publication of the Orthopaedic Research Society.

The influence of squat depth on maximal vertical jump performance

John H Challis, Zachary J. Domire, Zachary J Domire, 2007, Journal of sports sciences.

The biomechanics of an overarm throwing task: a simulation model examination of optimal timing of muscle activations.

J H Challis, J. Challis, A. Chowdhary, 2001, Journal of theoretical biology.

A critical examination of the maximum velocity of shortening used in simulation models of human movement

John H Challis, Zachary J. Domire, Zachary J Domire, 2010, Computer methods in biomechanics and biomedical engineering.

A simple method to determine body segment masses in vivo: reliability, accuracy and sensitivity analysis.

John H Challis, Vladimir M Zatsiorsky, Todd C Pataky, 2003, Clinical biomechanics.

Transition of COM-COP relative phase in a dynamic balance task.

Karl M Newell, John H Challis, Ji-Hyun Ko, 2014, Human movement science.

Organization of Compensatory Postural Coordination Patterns

K. Newell, J. Challis, J. Stitt, 2003, Journal of motor behavior.

Aging, regularity and variability in maximum isometric moments.

John H Challis, J. Challis, 2006, Journal of biomechanics.

Force Plates and Related Technologies

J. Challis, 2020 .

Short Communication: Determining the average attitude of a rigid body.

J. Challis, 2019, Journal of biomechanics.

A Dual X-Ray Absorptiometry Validated Geometric Model for the Calculation of Body Segment Inertial Parameters of Young Females.

J. Wallace, J. Challis, S. Winter, 2017, Journal of applied biomechanics.

An investigation of the influence of bi-lateral deficit on human jumping

John H. Challis, J. Challis, 1998 .

Body size and movement

J. Challis, 2018 .

Insights to vertical jumping from computer simulations

Zachary J. Domire, J. Challis, 2015 .

Joint moment-angle properties of the hip abductors and hip extensors

J. Challis, Curtis Kindel, 2017, Physiotherapy theory and practice.

Segmental motion of forefoot and hindfoot as a diagnostic tool.

N. Sharkey, J. Challis, S. A. Meyers, 2013, Journal of biomechanics.

Individual Sarcomere Lengths in Whole Muscle Fibers and Optimal Fiber Length Computation

J. Challis, Benjamin W. Infantolino, M. J. Ellis, 2010, Anatomical record.

Image-based Stability Quantification

R. Collins, J. Challis, Yanxi Liu, 2022, 2206.11443.

Quaternions as a solution to determining the angular kinematics of human movement

J. Challis, 2020, BMC biomedical engineering.

The Effects of Wobbling Mass Components on Joint Dynamics During Running.

J. Challis, Samuel E Masters, 2022, Journal of applied biomechanics.

Using directional statistics to test hypotheses regarding rigid body attitude: Comparison to univariate and multivariate Cardan angle tests.

T. Pataky, J. Challis, 2020, Journal of biomechanics.

Reconstruction of the human gastrocnemius force-length curve in vivo: part 1-model-based validation of method.

J. Challis, S. Winter, 2008, Journal of applied biomechanics.

The expression of the skeletal muscle force-length relationship in vivo: a simulation study.

J. Challis, S. Winter, 2010, Journal of theoretical biology.

Short communication Changes in segmental inertial properties with age

J. Challis, S. Winter, J. Muri, 2008 .

Image-based Stability Quantification

R. Collins, J. Challis, Yanxi Liu, 2022, ArXiv.

Foot arch rigidity in walking: In vivo evidence for the contribution of metatarsophalangeal joint dorsiflexion

J. Challis, Daniel J Davis, Daniel J. Davis, 2022, PloS one.

Experimental tools

J. Challis, 2020, Experimental Methods in Biomechanics.

Image-Based Stability Quantification

R. Collins, J. Challis, Yanxi Liu, 2022, IEEE Transactions on Neural Systems and Rehabilitation Engineering.

The mechanics of a cat landing from a drop

J. Challis, 2022, European Journal of Physics.

Postural coordination patterns as a function of rhythmical dynamics of the surface of support

K. Newell, J. Challis, Jihyun Ko, 2013, Experimental Brain Research.

Anthropometry

J. Challis, 2020, Encyclopedia of Cryptography and Security.

Examining the Role of the Gastrocnemius during the Leg Curl Exercise

John H. Challis, Jason G. Gallucci, J. Challis, 2002 .

Maintenance of postural stability as a function of tilted base of support.

Aviroop Dutt-Mazumder, K. Newell, J. Challis, 2016, Human movement science.

Experimental Methods in Biomechanics

John H. Challis, J. Challis, 2021 .

An Analytical Examination of Muscle Force Estimations Using Optimization Techniques

J H Challis, D G Kerwin, J. Challis, 1993, Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine.

An examination of procedures for determining body segment attitude and position from noisy biomechanical data.

J H Challis, J. Challis, 1995, Medical engineering & physics.

The future of performance-related sports biomechanics research.

J H Challis, M. R. Yeadon, M R Yeadon, 1994, Journal of sports sciences.

Postural coordination patterns as a function of dynamics of the support surface.

K M Newell, J H Challis, K. Newell, 2001, Human movement science.

Responsiveness of the Double Limb Lowering Test and Lower Abdominal Muscle Progression to Core Stabilization Exercise Programs in Healthy Adults: A Pilot Study

J. Challis, C. Denegar, S. J. Miller, 2014, Journal of strength and conditioning research.

The Degrees of Freedom Problem in Human Standing Posture: Collective and Component Dynamics

Karl M. Newell, Ji Hyun Ko, Zheng Wang, 2014, PloS one.

Visual information and multi-joint coordination patterns in one-leg stance.

Karl M Newell, Zheng Wang, Peter C M Molenaar, 2014, Gait & posture.

Smoothing can systematically bias small samples of one-dimensional biomechanical continua.

Jos Vanrenterghem, John H Challis, Mark A Robinson, 2019, Journal of biomechanics.

Quality of systematic reviews on specific spinal stabilization exercise for chronic low back pain.

J. Challis, C. Denegar, S. J. Miller, 2013, The Journal of orthopaedic and sports physical therapy.

The National Academy of Kinesiology 2020 Review and Evaluation of Doctoral Programs in Kinesiology

J. Challis, 2021 .

Changes in postural sway as a consequence of wearing a military backpack.

John H Challis, Neil A Sharkey, Michelle F Heller, 2009, Gait & posture.

An induced energy analysis to determine the mechanism for performance enhancement as a result of arm swing during jumping

John H Challis, Zachary J. Domire, Zachary J Domire, 2010, Sports biomechanics.

Further evidence on the dynamics of self-injurious behaviors: impact forces and limb motions.

K. Newell, J. Challis, J. Bodfish, 2002, American journal of mental retardation : AJMR.

Obesity, mechanical and strength relationships to postural control in adolescence.

K. Newell, J. Challis, C. Bartok, 2012, Gait & posture.

Electromyography

J. Challis, 2020, Experimental Methods in Biomechanics.

Wobbling Mass Influence on Impact Ground Reaction Forces: A Simulation Model Sensitivity Analysis

Matthew T.G. Pain, John H. Challis, J. Challis, 2004 .

The Variability in Running Gait Caused by Force Plate Targeting

John H. Challis, J. Challis, 2001 .

EEG correlates of finger movements with different inertial load conditions as revealed by averaging techniques

S. Slobounov, J. Challis, M. Rearick, 1999, Clinical Neurophysiology.

Comparison of male and female lower limb segment inertial properties.

Samantha L. Winter, John H. Challis, Adam J. Kuperavage, 2012, Journal of biomechanics.

Electromyographic and kinetic analysis of two abdominal muscle performance tests

J. Challis, C. Denegar, S. J. Miller, 2015, Physiotherapy theory and practice.

Total Least-Squares Determination of Body Segment Attitude.

J. Challis, 2021, Journal of biomechanical engineering.

Kinematics

J. Challis, 2020, Experimental Methods in Biomechanics.

Estimation of the finite center of rotation in planar movements.

J H Challis, J. Challis, 2001, Medical engineering & physics.

A Multiphase Calibration Procedure for the Direct Linear Transformation

John H. Challis, J. Challis, 1995 .

Estimating the volume of the First Dorsal Interossoeus using ultrasound.

J. Challis, Benjamin W. Infantolino, 2011, Medical engineering & physics.

Comparison of posture and balance in cancer survivors and age‐matched controls

J. Challis, G. Heise, Jeremy D. Smith, 2017, Clinical biomechanics.

Scaling

J. Challis, 2020, Experimental Methods in Biomechanics.

FATIGUE EFFECTS ON BAR KINEMATICS DURING THE BENCH PRESS

J. Challis, M. Duffey, 2007, Journal of strength and conditioning research.

A Procedure for the Automatic Determination of Filter Cutoff Frequency for the Processing of Biomechanical Data

John H. Challis, J. Challis, 1999 .

Misuse of “Power” and Other Mechanical Terms in Sport and Exercise Science Research

M. Yeadon, W. Mechelen, R. Newton, 2016, Journal of strength and conditioning research.

The Arrangement of Fascicles in Whole Muscle

Thomas Neuberger, John H Challis, Benjamin W Infantolino, 2012, Anatomical record.

Architectural properties of the first dorsal interosseous muscle

John H Challis, Benjamin W Infantolino, J. Challis, 2010, Journal of anatomy.

Increasing the stability of the spring loaded inverted pendulum model of running with a wobbling mass.

J. Challis, Samuel E Masters, 2021, Journal of biomechanics.

Learning Dynamics from Kinematics: Estimating Foot Pressure from Video

Yanxi Liu, Robert T. Collins, Jesse Scott, 2018 .

Learning Dynamics from Kinematics: Estimating 2D Foot Pressure Maps from Video Frames

Yanxi Liu, Robert T. Collins, Jesse Scott, 2018, 1811.12607.

EXAMINATION OF THE SCALING OF HUMAN JUMPING

J. Challis, 2004, Journal of strength and conditioning research.

Methodological Report: The Appropriate Scaling of Weightlifting Performance

J. Challis, 1999 .

Changes in segmental inertial properties with age.

John H Challis, J. Challis, S. Winter, 2008, Journal of biomechanics.

The influence of heel pad confinement on heel pad mechanical properties

J. Challis, S. Winter, D. Gales, 2021, Footwear Science.

From Kinematics To Dynamics: Estimating Center of Pressure and Base of Support from Video Frames of Human Motion pdf

Yanxi Liu, Robert T. Collins, Jesse Scott, 2020, ArXiv.

The effect of signal acquisition and processing choices on ApEn values: towards a "gold standard" for distinguishing effort levels from isometric force records.

J. Challis, S. Winter, S. Forrest, 2014, Medical engineering & physics.

Visual and non‐visual control of landing movements in humans

J H Challis, M Santello, M. Santello, 2001, The Journal of physiology.

Soft tissue motion during impacts: their potential contributions to energy dissipation

Matthew T.G. Pain, John H. Challis, J. Challis, 2002 .

Learning to coordinate redundant degrees of freedom in a dynamic balance task.

Karl M Newell, John H Challis, Young-Gyu Ko, 2003, Human movement science.

The validity of ultrasound estimation of muscle volumes.

John H Challis, Benjamin W Infantolino, J. Challis, 2007, Journal of applied biomechanics.

The force-length curves of the human rectus femoris and gastrocnemius muscles in vivo.

John H Challis, J. Challis, S. Winter, 2010, Journal of applied biomechanics.

Pioneering women of the International Society of Biomechanics.

J. Challis, J. Steele, 2023, Journal of biomechanics.

Maximum height and minimum time vertical jumping.

John H Challis, Zachary J. Domire, Zachary J Domire, 2015, Journal of biomechanics.

Anthropometry

J. Challis, 2020, Experimental Methods in Biomechanics.

Postural coordination patterns as a function of rhythmical dynamics of the surface of support

Karl M. Newell, John H. Challis, Ji-Hyun Ko, 2013, Experimental Brain Research.

Reconstruction of the human gastrocnemius force-length curve in vivo: part 2-experimental results.

J. Challis, S. Winter, 2008, Journal of applied biomechanics.

Soft tissue vibration: a biologically-inspired mechanism for stabilizing bipedal locomotion

J. Challis, Samuel E Masters, 2020, Bioinspiration & biomimetics.

Signal Processing

J. Challis, 2020, Experimental Methods in Biomechanics.

Automatic segment filtering procedure for processing non-stationary signals.

Daniel J Davis, John H Challis, J. Challis, 2020, Journal of biomechanics.

Comparison of male and female lower limb segment inertial properties.

J. Challis, S. Winter, A. Kuperavage, 2012, Journal of biomechanics.