In revision
The effects of passive upper-limb exoskeletons and overhead cycle time on shoulder fatigue during overhead work
Watterworth, M.W.B., Porto, R., Cort, J.A., La Delfa, N.J.
Applied Ergonomics, In revision.
Publications
39 published or accepted articles and 65 refereed conference proceedings.
39published or accepted articles
65refereed conference proceedings
Current manuscripts
In revision
In revision
Concurrent validity of Theia3D markerless motion capture for quantifying upper-extremity kinematics
Janes, H., Watterworth, M.W.B., Slade, G.E., La Delfa, N.J.
Journal of Applied Biomechanics, In revision.
Research articles
Published and accepted
Obesity-related differences in shoulder and lumbar loading during manual material handling
La Delfa, N.J., Janes, H., Watterworth, M.W.B., Mourtzakis, M., Callaghan, J.P., Dickerson, C.R.
Applied Ergonomics.
Effects of menthol mouth rinsing on performance and surface EMG activity during heat-stressed cycling
Hawke, K.V., Foley, R.C.A., La Delfa, N.J., Logan-Sprenger, H.M.
Nutrients, 18(7), 1134.
View journal article ↗Assessing the reliability of baseline maximum voluntary contraction protocols
Slade, G.E., Watterworth, M.W.B., La Delfa, N.J.
PeerJ, 14, e20848.
View journal article ↗Asymmetric manual arm strength evident only in right-handed individuals
Slade, G.E., Watterworth, M., Wakeely, F., Foley, R.C.A., La Delfa, N.J.
IISE Transactions on Occupational Ergonomics and Human Factors, 14(2), 132–143.
View journal article ↗Estimating maximum acceptable duty cycles for overhead exertions
Watterworth, M.W.B., La Delfa, N.J.
Journal of Electromyography and Kinesiology, 84, 103049.
View journal article ↗A comprehensive scoping review and meta-analysis of upper-limb strength asymmetry
Foley, R.C.A., Callaghan, D.H., Forman, G.N., Graham, J.D., Holmes, W.R., La Delfa, N.J.
Scientific Reports, 15(1), 4636.
View journal article ↗Between-day reliability of common muscle-fatigue measures during a repeated upper-limb fatigue protocol
Watterworth, M., Graham, J.D., La Delfa, N.J.
Theoretical Issues in Ergonomics Science, 26(1), 84–97.
View journal article ↗Examining the independent and carryover effects of cognitive and physical exertions on physical performance
Pabla, R.K., Graham, J.D., Watterworth, M.W.B., La Delfa, N.J.
Human Factors, 67(6), 560–577.
View journal article ↗Assessing the contribution of different upper-limb degrees of freedom to an unconstrained shoulder proprioception task
Russell, M., La Delfa, N.J., Murphy, B.A.
Journal of Electromyography and Kinesiology, 78, 102920.
View journal article ↗The effect of handedness on upper-extremity isometric strength symmetry
Watterworth, M.W.B., Wakeely, F., Fitzgerald, S.A., La Delfa, N.J.
Applied Ergonomics, 114, 104133.
View journal article ↗
Show 29 earlier publications
Cervico-ocular and vestibulo-ocular reflexes in subclinical neck pain and healthy individuals: A cross-sectional study
Campbell, D., Murphy, B., Burkitt, J., La Delfa, N.J., Sanmugananthan, P., Yielder, P.
Brain Sciences, 13(11), 1603.
View journal article ↗Equations for estimating the static supportive torque provided by upper-limb exoskeletons
Watterworth, M., Dharmaputra, R., Porto, R., Cort, J., La Delfa, N.J.
Applied Ergonomics, 113, 104092.
View journal article ↗Self-selected pedal-assist e-bike use in older adults is moderate-to-vigorous intensity
Jenkins, M., O’Rourke, N., Lustosa, L., La Delfa, N.J., Dogra, S.
Journal of Transport & Health, 31, 101647.
View journal article ↗Differential changes in somatosensory evoked potentials and motor performance: Pursuit-movement tasks versus force-matching tracking tasks
Ambalavanar, U., La Delfa, N.J., McCracken, H., Zabihhosseinian, M., Yielder, P., Murphy, B.A.
Journal of Neurophysiology, 128(6), 1453–1465.
View journal article ↗The sensitivity of shoulder-muscle fatigue to vertical hand location during complex manual-force exertions
La Delfa, N.J., Whittaker, R.W., Lockley, R., Fournier, D., Dickerson, C.R.
International Journal of Industrial Ergonomics.
View journal article ↗Exploring localized muscle-fatigue responses at current upper-extremity ergonomics threshold-limit values
Abdel-Malek, D., Foley, R.C.A., Wakeely, F., Graham, J.D., La Delfa, N.J.
Human Factors, 64(2), 385–400.
View journal article ↗The effect of neck-muscle fatigue on shoulder humeral-rotation joint-position sense
Russell, M., La Delfa, N.J., Murphy, B.
Journal of Electromyography and Kinesiology, 59, 102554.
View journal article ↗What is the validity of linear arm-strength estimates from the 3DSSPP software?
Hall, A.D., La Delfa, N.J., Loma, C.M., Potvin, J.R.
Applied Ergonomics, 94, 103415.
View journal article ↗Higher body mass index and body-fat percentage correlate with lower joint and functional strength in working-age adults
Bulbrook, B., La Delfa, N.J., MacDonald, A., Liang, C., Callaghan, J.P., Dickerson, C.R.
Applied Ergonomics, 95, 103453.
View journal article ↗A biomechanical evaluation of different footrest heights during standing computer work
Cregg, A., Foley, R.C.A., Livingston, L., La Delfa, N.J.
Ergonomics, 64(3), 342–353.
View journal article ↗Determining best practices for manual pill crushing through evaluation of upper extremity muscle exposures
La Delfa, N.J., Kunasegaram, A., Whittaker, R.L., Dickerson, C.R.
Applied Ergonomics, 90, 103275.
View journal article ↗Nine-degree-of-freedom kinematic modelling of the upper-limb complex for constrained workplace evaluation
DeBoon, B., Foley, R.C.A., Nokleby, S., La Delfa, N.J., Rossa, C.
Journal of Biomechanical Engineering, 143(2), 021009.
View journal article ↗Calibrating ratings of perceived fatigue relative to objective measures of localized muscle fatigue using a feedback-based familiarization protocol
Abdel-Malek, D., Wakeely, F., Foley, R.C.A., Graham, J.D., La Delfa, N.J.
Theoretical Issues in Ergonomics Science, 22(5), 511–527.
View journal article ↗The influence of hand location and handle orientation on female manual-arm strength
La Delfa, N.J., Evans, Z.C., Potvin, J.R.
Applied Ergonomics, 81, 102896.
View journal article ↗The benefits of advanced exposure metrics to estimate occupational shoulder demands
Vidt, M.E., La Delfa, N.J., Maciukiewicz, J.M., Ho, A., Callaghan, J.P., Dickerson, C.R.
International Journal of Human Factors Modelling and Simulation, 7(1), 13–33.
View journal article ↗Algorithmically detectable directional changes in upper-extremity motion indicate substantial myoelectric shoulder-muscle fatigue during a repetitive manual task
Whittaker, R.W., La Delfa, N.J., Dickerson, C.R.
Ergonomics, 62(3), 431–443.
View journal article ↗An evaluation of off-axis manual forces and upper-extremity joint moments during unilateral pushing and pulling exertions
Borgs, S., La Delfa, N.J., Dickerson, C.R.
Ergonomics, 62(1), 52–64.
View journal article ↗Muscular exposures during two-handed maximal pushing and pulling tasks
Chow, A., La Delfa, N.J., Dickerson, C.R.
IISE Transactions on Occupational Ergonomics and Human Factors, 5(3–4), 136–147.
View journal article ↗A musculoskeletal model to estimate relative changes in wrist strength due to interacting wrist and forearm postures
La Delfa, N.J., Potvin, J.R.
Computer Methods in Biomechanics and Biomedical Engineering, 20(13), 1403–1411.
View journal article ↗The Arm Force Field method to predict manual-arm strength based on hand location and force direction
La Delfa, N.J., Potvin, J.R.
Applied Ergonomics, 59, Part A, 410–421.
View journal article ↗The biomechanical demands of manual scaling on the shoulders and neck of dental hygienists
La Delfa, N.J., Grondin, D.E., Dresser, J., Potvin, J.R., Howarth, S.J.
Ergonomics, 60(1), 127–137.
View journal article ↗Multidirectional manual-arm strength and its relationship with resultant shoulder moment and arm posture
La Delfa, N.J., Potvin, J.R.
Ergonomics, 59(12), 1625–1636.
View journal article ↗Predicting manual-arm strength: A comparison of artificial neural-network and regression approaches
La Delfa, N.J., Potvin, J.R.
Journal of Biomechanics, 49, 602–605.
View journal article ↗Testing the assumption in ergonomics software that overall shoulder strength can be accurately calculated by treating orthopaedic axes as independent
Hodder, J.N., La Delfa, N.J., Potvin, J.R.
Journal of Electromyography and Kinesiology, 29, 50–54.
View journal article ↗Working position influences the biomechanical demands on the lower back during dental hygiene
Howarth, S.J., Grondin, D.E., La Delfa, N.J., Dresser, J., Potvin, J.R.
Ergonomics, 59(4), 545–555.
View journal article ↗The interacting effects of forearm rotation and exertion direction on male and female wrist strength
La Delfa, N.J., Langstaff, N., Hodder, J.N., Potvin, J.R.
International Journal of Industrial Ergonomics, 45, 124–128.
View journal article ↗EMG processing to interpret a neural tension-limiting mechanism with fatigue
La Delfa, N.J., Sutherland, C.A., Potvin, J.R.
Muscle & Nerve, 50, 384–392.
View journal article ↗Equations to predict female manual-arm strength based on hand location relative to the shoulder
La Delfa, N.J., Petruzzi, C., Freeman, C., Potvin, J.R.
Ergonomics, 57(2), 254–261.
View journal article ↗The Gunslinger Effect: Why are movements made faster when responding to versus initiating an action?
La Delfa, N.J., Garcia, D.B.L., Cappelletto, J.A.M., McDonald, A.C., Lyons, J.L., Lee, T.D.
Journal of Motor Behavior, 45(2), 85–90.
View journal article ↗