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Bill Vicenzino

Andrew J Maiorana, Andrew D Williams, Christopher D Askew, Itamar Levinger, Jeff Coombes, Bill Vicenzino, Kade Davison, Neil A Smart, Steve E Selig
Regular exercise improves health but can also induce adverse responses. Although such episodes are rare, many guidelines for pre-participation exercise screening have historically had a low threshold for recommending medical clearance prior to the commencement of exercise, placing the responsibility for decision making about exercise participation on physicians. The 'clearance to exercise' model still occurs widely in practice, but creates cost burdens and barriers to the uptake of exercise. Moreover, many physicians are not provided the training, nor time in a standard consultation, to be able to effectively perform this role...
March 9, 2018: Sports Medicine
Kim Allison, Michelle Hall, Paul W Hodges, Tim V Wrigley, Bill Vicenzino, Yong-Hao Pua, Ben Metcalf, Alison Grimaldi, Kim L Bennell
BACKGROUND: Gluteal tendinopathy (GT) and hip osteoarthritis (OA) are the most common causes of hip pain and associated disability in older adults. Pain and altered walking biomechanics are common to both conditions. This study aimed to compare three-dimensional walking biomechanics between individuals with unilateral, symptomatic GT and HOA. METHODS: Sixty individuals with symptomatic unilateral GT confirmed by magnetic-resonance-imaging and 73 individuals with symptomatic unilateral HOA (Kellgren-Lawrence Grade ≥ 2) underwent three-dimensional gait analysis...
February 12, 2018: Gait & Posture
Jade M Tan, Kay M Crossley, Bill Vicenzino, Hylton B Menz, Shannon E Munteanu, Natalie J Collins
Background: Age-related changes in midfoot mobility have the potential to influence success with foot orthoses intervention in people with patellofemoral pain (PFP). The aim of this study was to determine whether older people with PFP demonstrate less foot mobility than younger adults with PFP. Methods: One hundred ninety four participants (113 (58%) women, age 32 ± 7 years, BMI 25 ± 4.9 kg/m2 ) with PFP (≥ 6 weeks duration) were included, with foot mobility quantified using reliable and valid methods...
2018: Journal of Foot and Ankle Research
Michael Skovdal Rathleff, Camilla Rams Rathleff, Aoife Stephenson, Rebecca Mellor, Mark Matthews, Kay Crossley, Bill Vicenzino
Patellofemoral Pain (PFP) is highly prevalent among adults and adolescents. Localized mechanical hyperalgesia around the knee and tibialis anterior have been observed in people with PFP, but limited knowledge of potential manifestations of central sensitisation exists. The aims of this study were to study conditioned pain modulation (CPM) and wide-spread hyperalgesia in adults with PFP. This assessor-blinded cross-sectional study design compared CPM and mechanical pressure pain thresholds (PPT) between 33 adults (23 females) diagnosed with PFP and 32 age and sex matched pain-free controls...
2017: PloS One
Megan H Ross, Michelle D Smith, Bill Vicenzino
BACKGROUND: Posterior tibial tendon dysfunction (PTTD) and adult acquired flatfoot deformity (AAFD) are used interchangeably, although both suggest quite different pathological processes. OBJECTIVE: To investigate key differences in selection criteria used for inclusion into research studies. METHODS: An electronic database search was performed from inception to June 2016. All primary research articles with clear inclusion/diagnostic criteria for PTTD or AAFD were included in the review...
2017: PloS One
Brooke Kaye Coombes, Kylie Tucker, Bill Vicenzino, Viana Vuvan, Rebecca Mellor, Luke Heales, Antoine Nordez, François Hug
We thank Wu (2017) and the editors for the opportunity to provide greater discussion on the association of tendon shear wave velocity (SWV) with potentially important covariates including sex and age. We would like to first clarify that we did not directly compare the Achilles and patellar tendinopathy groups. Instead, the (most) affected tendon from each tendinopathy group was compared with a matched tendon from the healthy control group. This article is protected by copyright. All rights reserved.
November 28, 2017: Scandinavian Journal of Medicine & Science in Sports
Jaquelin A Bousie, Peter Blanch, Thomas G McPoil, Bill Vicenzino
OBJECTIVES: To evaluate the effects of hardness and posting of orthoses on plantar profile and perceived comfort and support during cycling. DESIGN: A repeated measures study with randomised order of orthoses, hardness, and posting conditions. METHODS: Twenty-three cyclists cycled at a cadence of 90rpm and a perceived exertion rating of twelve. Contoured soft and hard orthoses with or without a medial forefoot or lateral forefoot post were evaluated...
November 26, 2017: Journal of Science and Medicine in Sport
John W Orchard, Bill Vicenzino
No abstract text is available yet for this article.
November 20, 2017: Medical Journal of Australia
Jason Bonacci, Michelle Hall, Aaron Fox, Natalie Saunders, Tristan Shipsides, Bill Vicenzino
OBJECTIVES: To determine the effect of a combination of a minimalist shoe and increased cadence on measures of patellofemoral joint loading during running in individuals with patellofemoral pain. DESIGN: Within-participant repeated measures with four conditions presented in random order: (1) control shoe at preferred cadence; (2) control shoe with +10% cadence; (3) minimalist shoe at preferred cadence; (4) minimalist shoe with +10% cadence. METHODS: Fifteen recreational runners with patellofemoral pain ran on an instrumented treadmill while three-dimensional motion capture data were acquired...
October 6, 2017: Journal of Science and Medicine in Sport
Jason Bonacci, Michelle Hall, Natalie Saunders, Bill Vicenzino
OBJECTIVES: To determine the feasibility of a clinical trial that compares a 6-week, physiotherapist-guided gait retraining program with a foot orthoses intervention in runners with patellofemoral pain. DESIGN: Pilot randomised controlled trial. METHODS: Runners aged 18-40 years with clinically diagnosed patellofemoral pain were randomly allocated to either a 6-week gait retraining intervention of increasing cadence and use of a minimalist shoe or prefabricated foot orthoses...
October 2, 2017: Journal of Science and Medicine in Sport
Brooke Kaye Coombes, Kylie Tucker, Bill Vicenzino, Viana Vuvan, Rebecca Mellor, Luke Heales, Antoine Nordez, François Hug
PURPOSE: To compare tendon elastic and structural properties of healthy individuals with those with Achilles or patellar tendinopathy. METHODS: Sixty-seven participants (22 Achilles tendinopathy, 17 patellar tendinopathy, 28 healthy controls) were recruited between March 2015-March 2016. Shear wave velocity (SWV), an index of tissue elastic modulus, and tendon thickness were measured bilaterally at mid-tendon and insertional regions of Achilles and patellar tendons by an examiner blinded to group...
October 3, 2017: Scandinavian Journal of Medicine & Science in Sports
Luke J Heales, Michele Lastella, Brooke K Coombes, Bill Vicenzino
No abstract text is available yet for this article.
September 19, 2017: British Journal of Sports Medicine
Benjamin Soon, Bill Vicenzino, Annina B Schmid, Michel W Coppieters
Preliminary evidence from studies using quantitative sensory testing suggests the presence of central mechanisms in patients with carpal tunnel syndrome (CTS) as apparent by widespread hyperalgesia. Hallmarks of central mechanisms after nerve injuries include nociceptive facilitation and reduced endogenous pain inhibition. Methods to study nociceptive facilitation in CTS so far have been limited to quantitative sensory testing and the integrity of endogenous inhibition remains unexamined. The aim of this study was therefore to investigate changes in facilitatory and inhibitory processing in patients with CTS by studying hypersensitivity following experimentally induced pain (facilitatory mechanisms) and the efficacy of conditioned pain modulation (CPM, inhibitory mechanisms)...
2017: PloS One
Henrik Riel, Mark Matthews, Bill Vicenzino, Thomas Bandholm, Kristian Thorborg, Michael Skovdal Rathleff
PURPOSE: Adolescents with patellofemoral pain (PFP) do not comply with their exercise prescription, performing too few and too fast repetitions, compromising recovery. We investigated if real-time feedback on contraction time would improve the ability of adolescents with PFP to perform exercises as prescribed. METHODS: A randomized, controlled, participant-blinded, superiority trial with a 6-wk intervention of three weekly sessions of three elastic band exercises was undertaken...
January 2018: Medicine and Science in Sports and Exercise
Bill Vicenzino, Helena Britt, Allan J Pollack, Michelle Hall, Kim L Bennell, David J Hunter
OBJECTIVE: Evaluate general practitioner (GP) management of tennis elbow (TE) in Australia. METHODS: Data about the management of TE by GPs from 2000 to 2015 were extracted from the Bettering the Evaluation of Care of Health program database. Patient and GP characteristics and encounter management data were classified by the International Classification of Primary Care, version 2, and reported using descriptive statistics with point estimates and 95% confidence intervals...
2017: PloS One
Melanie L Plinsinga, Cornelis P van Wilgen, Michel S Brink, Viana Vuvan, Aoife Stephenson, Luke J Heales, Rebecca Mellor, Brooke K Coombes, Bill T Vicenzino
STUDY DESIGN: Case-control design. BACKGROUND: Tendinopathy is characterised by pain on tendon loading. In persistent cases of upper limb tendinopathy, it is frequently associated with central nervous system sensitisation, whereas less commonly linked in the case of persistent lower limb tendinopathies. OBJECTIVES: Compare somatosensory and psychological profiles of participants with persistent patellar (PT) and Achilles tendinopathies (AT) with pain-free controls...
March 2018: British Journal of Sports Medicine
K Allison, S E Salomoni, K L Bennell, T V Wrigley, F Hug, B Vicenzino, A Grimaldi, P W Hodges
The external hip adduction moment during walking is greater in individuals with gluteal tendinopathy (GT) than pain-free controls. Although this likely represents a greater demand on the hip abductor muscles implicated in GT, no study has investigated activation of these muscles in GT. For this purpose, fine wire electrodes were inserted into the segments of the gluteus minimus and medius muscles, and surface electrodes placed on the tensor fascia lata, upper gluteus maximus, and vastus lateralis muscles of eight individuals with, and eight without, GT...
February 2018: Scandinavian Journal of Medicine & Science in Sports
Narelle Wyndow, Kay M Crossley, Bill Vicenzino, Kylie Tucker, Natalie J Collins
BACKGROUND: Patellofemoral joint osteoarthritis is a common condition, yet information regarding conservative management is lacking. Foot orthoses are an effective intervention for improving pain and function in younger individuals with patellofemoral pain and may be effective in those with patellofemoral osteoarthritis. This pilot study will seek to establish the feasibility of a phase III randomised controlled trial to investigate whether foot orthoses worn in prescribed motion controlled footwear are superior to prescribed motion control footwear alone in the management of patellofemoral osteoarthritis...
2017: Journal of Foot and Ankle Research
Peter Lawrenson, Alison Grimaldi, Kay Crossley, Paul Hodges, Bill Vicenzino, Adam Ivan Semciw
The iliocapsularis muscle of the anterior hip may play an important role in hip function, but no electromyographic (EMG) recordings have been made. This muscle provides the most substantial muscular attachment to the anterior hip capsule and is hypothesised to have a dynamic role to limit capsular impingement and to augment joint stability. Current understanding of the function of iliocapsularis is based on limited cadaveric and radiographic studies. Located deep over the hip joint it would require intramuscular fine-wire EMG to evaluate its activity directly with limited cross-talk from overlying muscles...
March 27, 2017: Gait & Posture
Liam R Maclachlan, Natalie J Collins, Mark L G Matthews, Paul W Hodges, Bill Vicenzino
BACKGROUND: Patellofemoral pain (PFP) is prevalent in adolescence and adulthood and often persists. In contrast to other persistent musculoskeletal conditions, for which non-physical, psychological features are implicated, PFP remains largely conceptualised in mechanical terms. AIMS: To (1) identify whether the psychological characteristics of individuals with PFP differs from asymptomatic controls and (2) evaluate the correlations between psychological characteristics and PFP severity...
May 2017: British Journal of Sports Medicine
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