Publications by authors named "Jamie E Gaida"

11 Publications

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Does isometric exercise result in exercise induced hypoalgesia in people with local musculoskeletal pain? A systematic review.

Phys Ther Sport 2021 May 19;49:51-61. Epub 2020 Sep 19.

La Trobe Sports and Exercise Medicine Research Centre, La Trobe University, Bundoora, Victoria, Australia. Electronic address:

Objective: The aim of this review was to investigate if exercise induced hypoalgesia (EIH) occurs following isometric muscle contraction in people with local musculoskeletal symptoms.

Design: Systematic review.

Data Sources: MEDLINE, EMBASE, CINAHL & SportDiscus electronic databases were searched (inception to April 2020).

Eligibility Criteria: Two authors independently evaluated eligibility. Randomised controlled and crossover (repeated measures) trials that measured the effects of isometric exercise in participants with localised musculoskeletal pain during, and up to 2 hours after isometric exercise were included. Other inclusion criteria included comparison to another intervention, or comparison to healthy controls. Primary outcomes were experimentally induced pain thresholds and secondary outcomes included measures of pain sensitivity from clinical testing.

Results: 13 studies with data from 346 participants were included for narrative synthesis. EIH was reported in some upper and lower limb studies but there were no consistent data to show isometric exercises were superior to comparison interventions.

Conclusion: There was no consistent evidence for EIH following isometric exercise in people with musculoskeletal pain. These findings are different to those reported in asymptomatic populations (where EIH is consistently demonstrated) as well as conditions associated with widespread symptoms such as fibromyalgia (where isometric exercise may induce hyperalgesia). Although well tolerated when prescribed, isometric exercise did not induce EIH consistently for people seeking care for local musculoskeletal symptoms. The variance in the dose, location of contraction and intensity of protocols included in this review may explain the inconsistent findings. Further work is required to better understand endogenous analgesia in musculoskeletal pain conditions.
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http://dx.doi.org/10.1016/j.ptsp.2020.09.008DOI Listing
May 2021

Is there an association between metabolic syndrome and rotator cuff-related shoulder pain? A systematic review.

BMJ Open Sport Exerc Med 2019 6;5(1):e000544. Epub 2019 Dec 6.

School of Health and Social Work, University of Hertfordshire, Hatfield, UK.

Objectives: Rotator cuff-related shoulder pain (RCRSP) is a common upper limb complaint. It has been suggested that this condition is more common among people with cardiometabolic risk factors. This systematic review has synthesised evidence from case-control, cross-sectional and cohort studies on the association between metabolic syndrome (MetS) and RCRSP.

Design And Data Sources: Five medical databases (MEDLINE, EMBASE, SCOPUS, CINAHL and AMED) and reference checking methods were used to identify all relevant English articles that considered MetS and RCRSP. Studies were appraised using the Newcastle-Ottawa Scale (NOS). Two reviewers performed critical appraisal and data extraction. Narrative synthesis was performed via content analysis of statistically significant associations.

Results: Three cross-sectional, two case-control and one cohort study met the inclusion criteria, providing a total of 1187 individuals with RCRSP. Heterogeneity in methodology and RCRSP or MetS definition precluded a meaningful meta-analysis. Four of the included studies identified associations between the prevalence of MetS and RCRSP. Studies consistently identified independent cardiometabolic risk factors associated with RCRSP. All studies were level III evidence.

Summary And Conclusion: The low-moderate quality evidence included in this review suggests an association between MetS and RCRSP. Most studies demonstrated moderate quality on appraisal. The direction of association and cardiometabolic factors influencing should be investigated by longitudinal and treatment studies. These preliminary conclusions and clinical utility should be treated with caution due to limitations of the evidence base.
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http://dx.doi.org/10.1136/bmjsem-2019-000544DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6937110PMC
December 2019

Oral Supplementation of Specific Collagen Peptides Combined with Calf-Strengthening Exercises Enhances Function and Reduces Pain in Achilles Tendinopathy Patients.

Nutrients 2019 Jan 2;11(1). Epub 2019 Jan 2.

Department of Sport Medicine, Australian Institute of Sport, Leverrier St, Bruce ACT 2617, Australia.

The current pilot study investigates whether oral supplementation of specific collagen peptides improves symptoms and tendon vascularisation in patients with chronic mid-portion Achilles tendinopathy in combination with structured exercise. Participants were given a placebo or specific collagen peptides (TENDOFORTE) in combination with a bi-daily calf-strengthening program for 6 months. Group AB received specific collagen peptides for the first 3 months before crossing over to placebo. Group BA received placebo first before crossing over to specific collagen peptides. At baseline (T1), 3 (T2) and 6 (T3) months, Victorian Institute of Sports Assessment⁻Achilles (VISA-A) questionnaires and microvascularity measurements through contrast-enhanced ultrasound were obtained in 20 patients. Linear mixed modeling statistics showed that after 3 months, VISA-A increased significantly for group AB with 12.6 (9.7; 15.5), while in group BA VISA-A increased only by 5.3 (2.3; 8.3) points. After crossing over group AB and BA showed subsequently a significant increase in VISA-A of, respectively, 5.9 (2.8; 9.0) and 17.7 (14.6; 20.7). No adverse advents were reported. Microvascularity decreased in both groups to a similar extent and was moderately associated with VISA-A (²:0.68). We conclude that oral supplementation of specific collagen peptides may accelerate the clinical benefits of a well-structured calf-strengthening and return-to-running program in Achilles tendinopathy patients.
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http://dx.doi.org/10.3390/nu11010076DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6356409PMC
January 2019

Don't Assume the Control Group Is Normal-People with Asymptomatic Tendon Pathology Have Higher Pressure Pain Thresholds.

Pain Med 2018 11;19(11):2267-2273

University of Canberra Research Institute for Sport and Exercise (UCRISE), Australia.

Objective: Pain pressure thresholds (PPT) are used to study peripheral and central pain processing. In the tendon, pathological changes may exist without pain. This pilot study aimed to compare PPT between individuals with normal tendons and asymptomatic tendon pathology, and between individuals with and without a history of tendon pain.

Methods: The patellar, Achilles, and supraspinatus tendons of 128 asymptomatic participants were examined with ultrasound. Global PPT average was determined using a digital algometer at the patellar tendon, quadriceps muscle, L3 spinous process, and deltoid muscle insertion. Participants were separated into three groups: (1) healthy control group (no pathology, no history of pain), (2) tendon pathology at any site without a history of pain, (3) history of tendon pain anywhere.

Results: There were 92 controls, seven with asymptomatic pathology and 29 with a history of tendon pain. Asymptomatic tendon pathology at any site (without a history of pain) was associated with globally increased PPTs compared with controls (P < 0.001, pathology N = 7, N = 92 controls). Matched pair analysis remained significant (P < 0.004). A history of tendon pain was associated with globally increased PPTs compared with the control group (P = 0.026). Matched pair analysis was not significant (P = 0.122).

Conclusions: Asymptomatic tendon pathology is associated with higher PPTs. These findings point toward central nervous system adaptations but in a novel way-central desensitization. This challenges the validity of conclusions drawn from PPT studies that do not verify normal structure in the control group; artificial inflation of control group data may incorrectly indicate decreased PPTs in the comparison group.
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http://dx.doi.org/10.1093/pm/pny117DOI Listing
November 2018

Is subsequent lower limb injury associated with previous injury? A systematic review and meta-analysis.

Br J Sports Med 2017 Dec 7;51(23):1670-1678. Epub 2017 Aug 7.

University of Canberra Research Institute for Sport and Exercise (UCRISE), Canberra, Australian Capital Territory, Australia.

Background: Previous injury is a strong risk factor for recurrent lower limb injury in athletic populations, yet the association between previous injury and a subsequent injury different in nature or location is rarely considered.

Objective: To systematically review data on the risk of sustaining a subsequent lower limb injury different in nature or location following a previous injury.

Methods: Eight medical databases were searched. Studies were eligible if they reported lower limb injury occurrence following any injury of a different anatomical site and/or of a different nature, assessed injury risk, contained athletic human participants and were written in English. Two reviewers independently applied the eligibility criteria and performed the risk of bias assessment. Meta-analysis was conducted using a random effects model.

Results: Twelve studies satisfied the eligibility criteria. Previous history of an ACL injury was associated with an increased risk of subsequent hamstring injury (three studies, RR=2.25, 95% CI 1.34 to 3.76), but a history of chronic groin injury was not associated with subsequent hamstring injury (three studies, RR=1.14, 95% CI 0.29 to 4.51). Previous lower limb muscular injury was associated with an increased risk of sustaining a lower limb muscular injury at a different site. A history of concussion and a variety of joint injuries were associated with an increased subsequent lower limb injury risk.

Conclusions: The fact that previous injury of any type may increase the risk for a range of lower limb subsequent injuries must be considered in the development of future tertiary prevention programmes.

Systematic Review Registration Number: CRD42016039904 (PROSPERO).
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http://dx.doi.org/10.1136/bjsports-2017-097500DOI Listing
December 2017

Fat pads adjacent to tendinopathy: more than a coincidence?

Br J Sports Med 2016 Dec 23;50(24):1491-1492. Epub 2016 Aug 23.

Discipline of Physiotherapy, University of Canberra, Canberra, Australian Capital Territory, Australia.

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http://dx.doi.org/10.1136/bjsports-2016-096174DOI Listing
December 2016

Rehabilitation of Tendon Problems in Patients with Diabetes Mellitus.

Adv Exp Med Biol 2016;920:199-208

Department of Physical Therapy, Centre for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada.

Exercise is crucial in the management of diabetes mellitus and its associated complications. However, individuals with diabetes have a heightened risk of musculoskeletal problems, including tendon pathologies. Diabetes has a significant impact on the function of tendons due to the accumulation of advanced glycation end-products in the load-bearing collagen. In addition, tendon vascularity and healing may be reduced due to diabetes-induced changes in the peripheral vascular system, and impaired synthesis of collagen and glycosaminoglycan. The current chapter presents an evidence-based discussion of considerations for the rehabilitation of tendon problems in people with diabetes. The following conditions are discussed in detail - calcific tendinopathy, tenosynovitis, tendon rupture, and non-calcifying tendinopathy. Common diabetes-related findings are presented, along with their potential impact on tendinopathy management and suggested modifications to standard tendinopathy treatment protocols. A holistic approach should be used to optimize musculotendinous function, including a comprehensive exercise prescription addressing strength, flexibility, and aerobic fitness.
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http://dx.doi.org/10.1007/978-3-319-33943-6_19DOI Listing
December 2017

Isometric Contractions Are More Analgesic Than Isotonic Contractions for Patellar Tendon Pain: An In-Season Randomized Clinical Trial.

Clin J Sport Med 2017 May;27(3):253-259

*Department of Physiotherapy, Monash University, Victoria, Australia; †Australian Centre for Research into Injury in Sport and its Prevention, La Trobe University Bundoora, Victoria, Australia; ‡University of Groningen, University Medical Center Groningen, Groningen, Netherlands; §University of South Australia and PainAdelaide; ¶College of Science, Health and Engineering, School of Allied Health, Department of Rehabilitation, Nutrition and Sport, La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Bundoora, Australia; and ‖Faculty of Health, University of Canberra Research Institute for Sport and Exercise.

Objective: This study aimed to compare the immediate analgesic effects of 2 resistance programs in in-season athletes with patellar tendinopathy (PT). Resistance training is noninvasive, a principle stimulus for corticospinal and neuromuscular adaptation, and may be analgesic.

Design: Within-season randomized clinical trial. Data analysis was conducted blinded to group.

Setting: Subelite volleyball and basketball competitions.

Participants: Twenty jumping athletes aged more than 16 years, participating in games/trainings 3 times per week with clinically diagnosed PT.

Interventions: Two quadriceps resistance protocols were compared; (1) isometric leg extension holds at 60 degrees knee flexion (80% of their maximal voluntary isometric contraction) or (2) isotonic leg extension (at 80% of their 8 repetition maximum) 4 times per week for 4 weeks. Time under load and rest between sets was matched between groups.

Main Outcome Measures: (1) Pain (0-10 numerical rating score) during single leg decline squat (SLDS), measured preintervention and postintervention sessions. (2) VISA-P, a questionnaire about tendon pain and function, completed at baseline and after 4 weeks.

Results: Twenty athletes with PT (18 men, mean 22.5 ± 4.7 years) participated (isotonic n = 10, isometric n = 10). Baseline median SLDS pain was 5/10 for both groups (isotonic range 1-8, isometric range 2-8). Isometric contractions produced significantly greater immediate analgesia (P < 0.002). Week one analgesic response positively correlated with improvements in VISA-P at 4 weeks (r = 0.64).

Conclusions: Both protocols appear efficacious for in-season athletes to reduce pain, however, isometric contractions demonstrated significantly greater immediate analgesia throughout the 4-week trial. Greater analgesia may increase the ability to load or perform.
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http://dx.doi.org/10.1097/JSM.0000000000000364DOI Listing
May 2017

Is there an association between tendinopathy and diabetes mellitus? A systematic review with meta-analysis.

Br J Sports Med 2016 Aug 23;50(16):982-9. Epub 2015 Nov 23.

Department of Physiotherapy, Monash University, Melbourne, Victoria, Australia University of Canberra Research Institute for Sport and Exercise (UCRISE) Discipline of Physiotherapy, University of Canberra, Canberra, Australian Capital Territory, Australia.

Background: Musculoskeletal symptoms limit adherence to exercise interventions for individuals with type 2 diabetes. People with diabetes may be susceptible to tendinopathy due to chronically elevated blood glucose levels. Therefore, we aimed to investigate this potential association by systematically reviewing and meta-analysing case-control, cross-sectional, and studies that considered both of these conditions.

Methods: Nine medical databases and hand searching methods were used without year limits to identify all relevant English language articles that considered diabetes and tendinopathy. Two authors applied exclusion criteria and one author extracted data with verification by a second author. Meta-analysis was conducted using a random effects model. Results were expressed as odds ratio (OR), mean difference or standardised mean difference with a confidence intervals (95% CI). Heterogeneity was assessed by I(2).

Findings: 31 studies were included in the final analysis of which 26 recruited people with diabetes and five recruited people with tendinopathy. Tendinopathy was more prevalent in people with diabetes (17 studies, OR 3·67, 95% CI 2·71 to 4·97), diabetes was more prevalent in people with tendinopathy (5 studies, OR 1·28, 95% CI 1·10 to 1·49), people with diabetes and tendinopathy had a longer duration of diabetes than people with diabetes only (6 studies, mean difference 5·26 years, 95% CI 4·15 to 6·36) and people with diabetes had thicker tendons than controls (9 studies, standardised mean difference 0·79 95% CI 0·47 to 1·12).

Interpretation: These findings provide strong evidence that diabetes is associated with higher risk of tendinopathy. This is clinically relevant as tendinopathy may affect adherence to exercise interventions for diabetes.
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http://dx.doi.org/10.1136/bjsports-2015-094735DOI Listing
August 2016

Translating Evidence Into Practice via Social Media: A Mixed-Methods Study.

J Med Internet Res 2015 Oct 26;17(10):e242. Epub 2015 Oct 26.

Monash University, Frankston, Australia.

Background: Approximately 80% of research evidence relevant to clinical practice never reaches the clinicians delivering patient care. A key barrier for the translation of evidence into practice is the limited time and skills clinicians have to find and appraise emerging evidence. Social media may provide a bridge between health researchers and health service providers.

Objective: The aim of this study was to determine the efficacy of social media as an educational medium to effectively translate emerging research evidence into clinical practice.

Methods: The study used a mixed-methods approach. Evidence-based practice points were delivered via social media platforms. The primary outcomes of attitude, knowledge, and behavior change were assessed using a preintervention/postintervention evaluation, with qualitative data gathered to contextualize the findings.

Results: Data were obtained from 317 clinicians from multiple health disciplines, predominantly from the United Kingdom, Australia, the United States, India, and Malaysia. The participants reported an overall improvement in attitudes toward social media for professional development (P<.001). The knowledge evaluation demonstrated a significant increase in knowledge after the training (P<.001). The majority of respondents (136/194, 70.1%) indicated that the education they had received via social media had changed the way they practice, or intended to practice. Similarly, a large proportion of respondents (135/193, 69.9%) indicated that the education they had received via social media had increased their use of research evidence within their clinical practice.

Conclusions: Social media may be an effective educational medium for improving knowledge of health professionals, fostering their use of research evidence, and changing their clinical behaviors by translating new research evidence into clinical practice.
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http://dx.doi.org/10.2196/jmir.4763DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4642790PMC
October 2015

Serum levels of oxylipins in achilles tendinopathy: an exploratory study.

PLoS One 2015 13;10(4):e0123114. Epub 2015 Apr 13.

Department of Pharmacology and Clinical Neuroscience, Pharmacology Unit, Umeå University, Umeå, Sweden.

Background: Linoleic acid-derived oxidation products are found in experimental pain models. However, little is known about the levels of such oxylipins in human pain. In consequence, in the present study, we have undertaken a lipidomic profiling of oxylipins in blood serum from patients with Achilles tendinopathy and controls.

Methodology/principal Findings: A total of 34 oxylipins were analysed in the serum samples. At a significance level of P<0.00147 (<0.05/34), two linoleic acid-derived oxylipins, 13-hydroxy-10E,12Z-octadecadienoic (13-HODE) and 12(13)-dihydroxy-9Z-octadecenoic acid (12,13-DiHOME) were present at significantly higher levels in the Achilles tendinopathy samples. This difference remained significant when the dataset was controlled for age, gender and body-mass index. In contrast, 0/21 of the arachidonic acid- and 0/4 of the dihomo-γ-linolenic acid, eicosapentaenoic acid or docosahenaenoic acid-derived oxylipins were higher in the patient samples at this level of significance. The area under the Receiver-Operator Characteristic (ROC) curve for 12,13-DiHOME was 0.91 (P<0.0001). Levels of four N-acylethanolamines were also analysed and found not to be significantly different between the controls and the patients at the level of P<0.0125 (<0.05/4).

Conclusions/significance: It is concluded from this exploratory study that abnormal levels of linoleic acid-derived oxylipins are seen in blood serum from patients with Achilles tendinopathy. Given the ability of two of these, 9- and 13-HODE to activate transient receptor potential vanilloid 1, it is possible that these changes may contribute to the symptoms seen in Achilles tendinopathy.
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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0123114PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4395257PMC
January 2016
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