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All Outputs (119)

A comparative evaluation of sonomyography, electromyography, force, and wrist angle in a discrete tracking task (2011)
Journal Article
Guo, J., Zheng, Y., Kenney, L., Bowen, A., Howard, D., & Canderle, J. (2011). A comparative evaluation of sonomyography, electromyography, force, and wrist angle in a discrete tracking task. Ultrasound in Medicine and Biology, 37(6), 884-891. https://doi.org/10.1016/j.ultrasmedbio.2011.03.008

We have previously used the real-time change of muscle thickness detected using ultrasound, namely sonomyography (SMG), for prosthesis motor control purposes. In the present study, we further compared subjects’ performance using SMG and surface elect... Read More about A comparative evaluation of sonomyography, electromyography, force, and wrist angle in a discrete tracking task.

Automatic identification of gait events using an instrumented sock (2011)
Journal Article
instrumented sock. Journal of NeuroEngineering and Rehabilitation, 8, 32. https://doi.org/10.1186/1743-0003-8-32

Background: textile-based transducers are an emerging technology in which piezo-resistive properties of materials are used to measure an applied strain. By incorporating these sensors into a sock, this technology offers the potential to detect crit... Read More about Automatic identification of gait events using an instrumented sock.

Biomechanics for inclusive urban design : effects of tactile paving on older adults’ gait when crossing the street (2011)
Journal Article
Thies, S., Kenney, L., Howard, D., Nester, C., Ormerod, M., Newton, R., …Maclennan, H. (2011). Biomechanics for inclusive urban design : effects of tactile paving on older adults’ gait when crossing the street. Journal of Biomechanics, 44(8), 1599-1604. https://doi.org/10.1016/j.jbiomech.2010.12.016

In light of our ageing population it is important that the urban environment is easily accessible and hence supports older adults’ independence. Tactile ‘blister’ paving was originally designed to provide guidance for visually impaired people at pede... Read More about Biomechanics for inclusive urban design : effects of tactile paving on older adults’ gait when crossing the street.

Amputee independent prosthesis properties - a new model for description and measurement (2011)
Journal Article
Major, M., Twiste, M., Kenney, L., & Howard, D. (2011). Amputee independent prosthesis properties - a new model for description and measurement. Journal of Biomechanics, 44(14), 2572-2575. https://doi.org/10.1016/j.jbiomech.2011.07.016

A model is presented for describing the Amputee Independent Prosthesis Properties (AIPP) of complete assemblies of trans-tibial prosthetic components distal to the socket. This new AIPP model includes features of both lumped parameter and roll-over m... Read More about Amputee independent prosthesis properties - a new model for description and measurement.

Inertial sensor-based knee flexion/extension angle estimation (2009)
Journal Article
Cooper, G., Sheret, I., McMillian, L., Siliverdis, K., Sha, N., Hodgins, D., …Howard, D. (2009). Inertial sensor-based knee flexion/extension angle estimation. Journal of Biomechanics, 42(16), 2678-2685. https://doi.org/10.1016/j.jbiomech.2009.08.004

A new method for estimating knee joint flexion/extension angles from segment acceleration and angular velocity data is described. The approach uses a combination of Kalman filters and biomechanical constraints based on anatomical knowledge. In contra... Read More about Inertial sensor-based knee flexion/extension angle estimation.

Movement variability in stroke patients and controls performing two upper limb functional tasks: a new assessment methodology (2009)
Journal Article
Thies, S., Tresadern, P., Kenney, L., Smith, J., Howard, D., Goulermas, J., …Rigby, J. (2009). Movement variability in stroke patients and controls performing two upper limb functional tasks: a new assessment methodology. Journal of NeuroEngineering and Rehabilitation, 6(2), https://doi.org/10.1186/1743-0003-6-2

Background: In the evaluation of upper limb impairment post stroke there remains a gap between detailed kinematic analyses with expensive motion capturing systems and common clinical assessment tests. In particular, although many clinical tests evalu... Read More about Movement variability in stroke patients and controls performing two upper limb functional tasks: a new assessment methodology.

Simulating acceleration from stereophotogrammetry for medical device design (2009)
Journal Article
Tresadern, P., Thies, S., Kenney, L., Howard, D., Smith, C., Rigby, J., & Goulermas, J. (2009). Simulating acceleration from stereophotogrammetry for medical device design. Journal of Biomechanical Engineering, 131(6), https://doi.org/10.1115/1.3118771

When designing a medical device based on lightweight accelerometers, the designer is faced with a number of questions in order to maximize performance while minimizing cost and complexity: Where should the inertial unit be located? How many units ar... Read More about Simulating acceleration from stereophotogrammetry for medical device design.

Activity identification using body-mounted sensors — a review of classification techniques (2009)
Journal Article
Preece, S., Goulermas, J., Kenney, L., Howard, D., Meijer, K., & Crompton, R. (2009). Activity identification using body-mounted sensors — a review of classification techniques. Physiological Measurement, 30, R1-R33. https://doi.org/10.1088/0967-3334/30/4/R01

With the advent of miniaturized sensing technology, which can be body-worn, it is nowpossible to collect and store data on different aspects of human movement under the conditions of free living. This technology has the potential to be used in automa... Read More about Activity identification using body-mounted sensors — a review of classification techniques.

A surface electrode array-based system for functional electrical stimulation (2008)
Thesis
Sha, N. A surface electrode array-based system for functional electrical stimulation. (Thesis). University of Salford

The goal of this thesis is to develop an electrode array-based functional electrical stimulation (FES) system for foot drop correction. The thesis reports a series of studies on the design and development of an electrode array, describes how these re... Read More about A surface electrode array-based system for functional electrical stimulation.

Investigating effects of mechanical properties of trans-tibial prostheses on user performance (2008)
Journal Article
Major, M., Twiste, M., Kenney, L., & Howard, D. (2008). Investigating effects of mechanical properties of trans-tibial prostheses on user performance. Journal of Biomechanics, 41(S1), 416-416. https://doi.org/10.1016/S0021-9290%2808%2970415-9

As the design of trans-tibial prostheses has continued to advance, this has led to a wide range of alternative commercially available modular components, which when assembled comprise the trans-tibial prosthesis.

The effect of the impedance of a thin hydrogel electrode on sensation during functional electrical stimulation (2008)
Journal Article
Sha, N., Kenney, L., Heller, B., Barker, A., Howard, D., & Wang, W. (2008). The effect of the impedance of a thin hydrogel electrode on sensation during functional electrical stimulation. https://doi.org/10.1016/j.medengphy.2007.07.012

Surface functional electrical stimulation results in stimulation of cutaneous receptors and discomfort. The degree of non-uniformity of current distribution in the cutaneous layers in the vicinity of the electrode may influence the sensation experien... Read More about The effect of the impedance of a thin hydrogel electrode on sensation during functional electrical stimulation.

An instance-based algorithm with auxiliary similarity information for the estimation of gait kinematics from wearable sensors. (2008)
Journal Article
Goulermas, J., Findlow, A., Nester, C., Liatsis, P., Zeng, X., Kenney, L., …Howard, D. (2008). An instance-based algorithm with auxiliary similarity information for the estimation of gait kinematics from wearable sensors. IEEE transactions on neural networks / a publication of the IEEE Neural Networks Council, 19(9), 1574-1582. https://doi.org/10.1109/TNN.2008.2000808

Wearable human movement measurement systems are increasingly popular as a means of capturing human movement data in real-world situations. Previous work has attempted to estimate segment kinematics during walking fromfoot acceleration and angular ve... Read More about An instance-based algorithm with auxiliary similarity information for the estimation of gait kinematics from wearable sensors..

Rapid prototyping for functional electrical stimulation control (2008)
Journal Article
Tresadern, P., Thies, S., Kenney, L., Howard, D., & Goulermas, J. (2008). Rapid prototyping for functional electrical stimulation control. IEEE Pervasive Computing, 7(2), 62-69. https://doi.org/10.1109/MPRV.2008.35

Electrical muscle stimulators can help restore limb function following a neurological injury. However, complex neuromuscular stimulators need a straightforward software interface to simplify hardware programming and make patient care more efficient.... Read More about Rapid prototyping for functional electrical stimulation control.

A finite element model to identify electrode influence on current distribution in the skin (2008)
Journal Article
Sha, N., Kenney, L., Heller, B., Barker, A., Howard, D., & Moatamedi, M. (2008). A finite element model to identify electrode influence on current distribution in the skin. Artificial Organs, 32(8), 639-643. https://doi.org/10.1111/j.1525-1594.2008.00615.x

Discomfort experienced during surface functional electrical stimulation (FES) is thought to be partly a result of localised high current density in the skin underneath the stimulating electrode. This paper describes a finite element (FE) model to pre... Read More about A finite element model to identify electrode influence on current distribution in the skin.

Healthy aims: developing new medical implants and diagnostic equipment (2008)
Journal Article
Hodgins, D., Bertsch, A., Post, N., Frischholz, M., Volckaerts, B., Spensley, J., …Kenney, L. (2008). Healthy aims: developing new medical implants and diagnostic equipment. IEEE Pervasive Computing, 7(1), 14-21. https://doi.org/10.1109/MPRV.2008.8

Healthy Aims is a €23-million, four-year project, funded under the EU’s Information Society Technology Sixth Framework program to develop intelligent medical implants and diagnostic systems (www.healthyaims.org). The project has 25 partners from 10 c... Read More about Healthy aims: developing new medical implants and diagnostic equipment.

Comparison of linear acceleration from three measurement systems during “reach & grasp” (2007)
Journal Article
Thies, S., Tresadern, P., Kenney, L., Howard, D., Goulermas, J., Smith, C., & Rigby, J. (2007). Comparison of linear acceleration from three measurement systems during “reach & grasp”. Medical Engineering and Physics, 29(9), 967-972. https://doi.org/10.1016/j.medengphy.2006.10.012

Given the increased use of accelerometers in movement analysis, validation of such inertial sensors against conventional 3D camera systems and performance comparisons of different sensors have become important topics in biomechanics. This paper evalu... Read More about Comparison of linear acceleration from three measurement systems during “reach & grasp”.

Does transverse plane mechanical compliance affect amputee gait and in-socket forces? (2006)
Journal Article
Twiste, M., Nester, C., & Kenney, L. (2006). Does transverse plane mechanical compliance affect amputee gait and in-socket forces?. Journal of Biomechanics, 39(S1), 171

Transverse plane rotation in an amputee's residual-limb appears to be less than in non-amputees [1,2]. However, it remains unclear firstly, to what extent this is driven by the properties of the prosthesis, and secondly, whether this has detriment... Read More about Does transverse plane mechanical compliance affect amputee gait and in-socket forces?.

A cam-displacement transducer device for measuring bi plane prosthetic motion (2004)
Journal Article
Twiste, M., Rithalia, S., & Kenney, L. (2004). A cam-displacement transducer device for measuring bi plane prosthetic motion. Medical Engineering and Physics, 26(4), 335-340. https://doi.org/10.1016/j.medengphy.2004.01.002

An electromechanical system is described that comprises a cam and two linear displacement transducers for measuring two-degree of freedom. This is aimed at quantifying the extent and pattern of both transverse rotation and longitudinal translation... Read More about A cam-displacement transducer device for measuring bi plane prosthetic motion.