‘A whole different ball game’: the qualitative experience of older adults with a transtibial amputation and the use of a self-aligning prosthetic ankle-foot on the STEPFORWARD trial (2023)
Journal Article
Mitchell, N., Leggett, H., Watson, J., McDaid, C. T., Barnett, C., Twiste, M., & Vanicek, N. (2024). ‘A whole different ball game’: the qualitative experience of older adults with a transtibial amputation and the use of a self-aligning prosthetic ankle-foot on the STEPFORWARD trial. Disability and Rehabilitation, 46(7), 1422-1431. https://doi.org/10.1080/09638288.2023.2199222

Background Older patients with lower limb amputation, categorised as having “limited community mobility”, are under-researched. Understanding their experience with a new prosthetic ankle-foot is important when designing clinical trials. The aim of t... Read More about ‘A whole different ball game’: the qualitative experience of older adults with a transtibial amputation and the use of a self-aligning prosthetic ankle-foot on the STEPFORWARD trial.

Improving competency in safe patient handling practice through online learning beyond the classroom – a longitudinal study (2022)
Journal Article
Webb, J., Hogg, P., Twiste, M., & Correa, E. (2022). Improving competency in safe patient handling practice through online learning beyond the classroom – a longitudinal study. American Journal of Occupational Therapy, 76(2), 7602205160. https://doi.org/10.5014/ajot.2022.044388

Importance Safe patient handling is intrinsic to healthcare provision; yet, educational provision of the skills for this are inconsistently delivered, without evidence that traditional face-to-face training reduces risk. Objective This study asse... Read More about Improving competency in safe patient handling practice through online learning beyond the classroom – a longitudinal study.

Can high-functioning amputees with state-of-the-art prosthetics walk normally? A kinematic and dynamic study of 40 individuals (2020)
Journal Article
Jarvis, H., Reeves, N., Twiste, M., Phillip, R., Etherington, J., & Bennett, A. (2021). Can high-functioning amputees with state-of-the-art prosthetics walk normally? A kinematic and dynamic study of 40 individuals. Annals of Physical and Rehabilitation Medicine, 64(1), 101395. https://doi.org/10.1016/j.rehab.2020.04.007

Background Previous work has highlighted the highly functional post-rehabilitation level of military individuals who sustained traumatic amputation. Understanding how these individuals walk with their prosthesis could be key to setting a precedent... Read More about Can high-functioning amputees with state-of-the-art prosthetics walk normally? A kinematic and dynamic study of 40 individuals.

A self-aligning prosthetic device for older patients with vascular-related amputations: Protocol for a randomised feasibility study (the STEPFORWARD study) (2019)
Journal Article
Mitchell, N., Coleman, E., Watson, J., Bell, K., McDaid, C., Barnett, C., …Vanicek, N. (2019). A self-aligning prosthetic device for older patients with vascular-related amputations: Protocol for a randomised feasibility study (the STEPFORWARD study). BMJ Open, 9(9), e032924. https://doi.org/10.1136/bmjopen-2019-032924

Introduction The majority of older patients with a transtibial amputation are prescribed a standard (more rigid, not self-aligning) prosthesis. These are mostly suitable for level walking, and cannot adjust to different sloped surfaces. This makes w... Read More about A self-aligning prosthetic device for older patients with vascular-related amputations: Protocol for a randomised feasibility study (the STEPFORWARD study).

Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS (2019)
Journal Article
Alrehily, F., Hogg, P., Twiste, M., Johansen, S., & Tootell, A. (2019). Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS. Radiography, 25(3), https://doi.org/10.1016/j.radi.2019.02.005

Introduction: Scoliosis is defined as a deformity of the spine with lateral curvature in the coronal plane. It requires regular X-ray imaging to monitor the progress of the disorder, therefore scoliotic patients are frequently exposed to radiation. I... Read More about Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS.

The impact of hoist sling materials on interface pressure whilst sitting in healthy volunteers and wheelchair users : a comparative study (2017)
Journal Article
Webb, J., Twiste, M., Walton, L., & Hogg, P. (2018). The impact of hoist sling materials on interface pressure whilst sitting in healthy volunteers and wheelchair users : a comparative study. Journal of Tissue Viability, 27(2), 90-94. https://doi.org/10.1016/j.jtv.2017.12.001

Aim of the study To evaluate the effect of three sling fabrics on gluteal interface pressure whilst sitting in a population of wheelchair users and to compare these to data previously collected in a pilot study with a healthy population. Material... Read More about The impact of hoist sling materials on interface pressure whilst sitting in healthy volunteers and wheelchair users : a comparative study.

Performance of optimised prosthetic ankle designs that are based on a hydraulic variable displacement actuator (VDA) (2017)
Journal Article
Gardiner, J., Bari, A., Kenney, L., Twiste, M., Moser, D., Zahedi, S., & Howard, D. (2017). Performance of optimised prosthetic ankle designs that are based on a hydraulic variable displacement actuator (VDA). IEEE Transactions on Neural Systems and Rehabilitation Engineering, 25(12), 2418-2426. https://doi.org/10.1109/TNSRE.2017.2763999

Current energy storage and return (ESR) prosthetic feet only marginally reduce the cost of amputee locomotion compared to basic solid ankle cushioned heel (SACH) feet, possibly due to their lack of push-off at the end of stance. To our knowledge,... Read More about Performance of optimised prosthetic ankle designs that are based on a hydraulic variable displacement actuator (VDA).

Temporal spatial and metabolic measures of walking in highly functional individuals with lower limb amputations (2016)
Journal Article
Jarvis, H., Bennett, A., Twiste, M., Phillip, R., Etherington, J., & Baker, R. (2017). Temporal spatial and metabolic measures of walking in highly functional individuals with lower limb amputations. Archives of Physical Medicine and Rehabilitation, 98(7), 1389-1399. https://doi.org/10.1016/j.apmr.2016.09.134

OBJECTIVE: The aim of this descriptive exploratory study is to record the temporal spatial parameters and metabolic energy expenditure during walking of individuals with amputation, walking with advanced prostheses and following completion of compr... Read More about Temporal spatial and metabolic measures of walking in highly functional individuals with lower limb amputations.

Energy flow analysis of amputee walking shows a proximally-directed transfer of energy in intact limbs, compared to a distally-directed transfer in prosthetic limbs at push-off (2016)
Journal Article
Weinert-Aplin, R., Howard, D., Twiste, M., Jarvis, H., Bennett, A., & Baker, R. (2017). Energy flow analysis of amputee walking shows a proximally-directed transfer of energy in intact limbs, compared to a distally-directed transfer in prosthetic limbs at push-off. Medical Engineering and Physics, 39, 73-82. https://doi.org/10.1016/j.medengphy.2016.10.005

Reduced capacity and increased metabolic cost of walking occurs in amputees, despite advances in prosthetic componentry. Joint powers can quantify deficiencies in prosthetic gait, but do not reveal how energy is exchanged between limb segments. This... Read More about Energy flow analysis of amputee walking shows a proximally-directed transfer of energy in intact limbs, compared to a distally-directed transfer in prosthetic limbs at push-off.

Medial-lateral centre of mass displacement and base of support are equally good predictors of metabolic cost in amputee walking (2016)
Journal Article
Weinert-Aplin, R., Twiste, M., Jarvis, H., Bennett, A., & Baker, R. (2017). Medial-lateral centre of mass displacement and base of support are equally good predictors of metabolic cost in amputee walking. Gait & Posture, 51, 41-46. https://doi.org/10.1016/j.gaitpost.2016.09.024

Amputees are known to walk with greater metabolic cost than able-bodied individuals and establishing predictors of metabolic cost from kinematic measures, such as centre of mass (CoM) motion, during walking are important from a rehabilitative perspec... Read More about Medial-lateral centre of mass displacement and base of support are equally good predictors of metabolic cost in amputee walking.

Restricting ankle motion via orthotic bracing reduces toe clearance when walking over obstacles (2015)
Journal Article
Evangelopoulou, E., Twiste, M., & Buckley, J. (2016). Restricting ankle motion via orthotic bracing reduces toe clearance when walking over obstacles. Gait & Posture, 43, 251-256. https://doi.org/10.1016/j.gaitpost.2015.10.006

Background: When trans-tibial amputees cross obstacles leading with their prosthesis, foot clearance is achieved using compensatory swing-phase kinematics. Such compensation would suggest able-bodied individuals normally use swing-phase ankle dorsifl... Read More about Restricting ankle motion via orthotic bracing reduces toe clearance when walking over obstacles.

A systematic procedure to optimise dose and image quality for the measurement of inter-vertebral angles from lateral spinal projections using Cobb and superimposition methods (2014)
Journal Article
Al Qaroot, B., Hogg, P., Twiste, M., & Howard, D. (2014). A systematic procedure to optimise dose and image quality for the measurement of inter-vertebral angles from lateral spinal projections using Cobb and superimposition methods. Journal of X-Ray Science and Technology, 22(5), 613-625. https://doi.org/10.3233/XST-140449

BACKGROUND: Patients with vertebral column deformations are exposed to high risks associated with ionising radiation exposure. Risks are further increased due to the serial X-ray images that are needed to measure and asses their spinal deformation us... Read More about A systematic procedure to optimise dose and image quality for the measurement of inter-vertebral angles from lateral spinal projections using Cobb and superimposition methods.

The effects of prosthetic ankle stiffness on ankle and knee kinematics, prosthetic limb loading, and net metabolic cost of trans-tibial amputee gait (2013)
Journal Article
Major, M., Twiste, M., Kenney, L., & Howard, D. (2014). The effects of prosthetic ankle stiffness on ankle and knee kinematics, prosthetic limb loading, and net metabolic cost of trans-tibial amputee gait. Clinical Biomechanics, 29(1), 98-104. https://doi.org/10.1016/j.clinbiomech.2013.10.012

Background Previous studies of commercially-available trans-tibial prosthetic components have been unable to provide clear insight into the relationships between prosthetic mechanical properties and user performance (i.e., gait quality and energy ex... Read More about The effects of prosthetic ankle stiffness on ankle and knee kinematics, prosthetic limb loading, and net metabolic cost of trans-tibial amputee gait.

Stance phase mechanical characterization of transtibial prostheses distal to the socket : a review (2012)
Journal Article
Major, M., Kenney, L., Twiste, M., & Howard, D. (2012). Stance phase mechanical characterization of transtibial prostheses distal to the socket : a review. Journal of rehabilitation research and development, 49(6), 815-830. https://doi.org/10.1682/JRRD.2011.06.0108

Achieving the required functionality of a trans-tibial prosthesis during the stance phase of gait (e.g., shock absorption, close to normal roll-over characteristics, and smooth transition into swing) depends on the “Amputee Independent Prosthesis P... Read More about Stance phase mechanical characterization of transtibial prostheses distal to the socket : a review.

The effects of transverse rotation angle on compression and effective lever arm of prosthetic feet during simulated stance (2012)
Journal Article
Major, M., Howard, D., Jones, R., & Twiste, M. (2012). The effects of transverse rotation angle on compression and effective lever arm of prosthetic feet during simulated stance. Prosthetics and Orthotics International, 36(2), 231-235. https://doi.org/10.1177/0309364611435996

Background and Aim: Unlike sagittal plane prosthesis alignment, few studies have observed the effects of transverse plane alignment on gait and prosthesis behaviour. Changes in transverse plane rotation angle will rotate the points of loading on the... Read More about The effects of transverse rotation angle on compression and effective lever arm of prosthetic feet during simulated stance.

Optimisation of lateral thoraco-lumbar acquisition parameters for Cobb and superimposition methods of intervertebral movement estimation (2011)
Presentation / Conference
Al-Qaroot, B., Twiste, M., Hogg, P., McAloon, M., Howard, D., & McGill, G. (2011, June). Optimisation of lateral thoraco-lumbar acquisition parameters for Cobb and superimposition methods of intervertebral movement estimation. Presented at UKRC (UK Radiological Congress), Manchester, UK

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.

The effect of body fat percentage on inter-vertebral spinal mobility control from hyper-extension spinal orthoses. (2010)
Presentation / Conference
Al-Qaroot, B., McAloon, M., Howard, D., Hogg, P., & Twiste, M. (2010, November). The effect of body fat percentage on inter-vertebral spinal mobility control from hyper-extension spinal orthoses. Presented at The UK National Member Society’s Annual Scientific Meeting of the International Society for Prosthetics & Orthotics, Newcastle, UK,

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.

Measurement system for the evaluation of alternating pressure redistribution mattresses using pressure relief index and tissue perfusion – a preliminary study (2008)
Journal Article
Twiste, M., & Rithalia, S. (2008). Measurement system for the evaluation of alternating pressure redistribution mattresses using pressure relief index and tissue perfusion – a preliminary study. Primary intention, 16(4), 192-198

Clinicians who are selecting dynamic support surfaces such as alternating pressure redistribution mattresses (APRMs) for the prevention and treatment of pressure ulcers are faced with commercial literature that predominantly reports on magnitudes of... Read More about Measurement system for the evaluation of alternating pressure redistribution mattresses using pressure relief index and tissue perfusion – a preliminary study.