scholarly journals Effectiveness of virtual reality technology on functional mobility of older adults: systematic review and meta-analysis

2020 ◽  
Author(s):  
Ana Isabel Corregidor-Sánchez ◽  
Antonio Segura-Fragoso ◽  
Marta Rodríguez-Hernández ◽  
Concepción Jiménez-Rojas ◽  
Begoña Polonio-López ◽  
...  
Keyword(s):  
Virtual Reality ◽  
Older Persons ◽  
Meta Analysis ◽  
Functional Mobility ◽  
Rapid Expansion ◽  
Cochrane Library ◽  
Virtual Reality Technology ◽  
Quality Of Evidence ◽  
Inverse Variance

Abstract Background The accessibility, versatility and motivation provided by virtual reality technology (VRT) have fostered its rapid expansion as a rehabilitation technique to improve functional mobility. The aim of this study was to investigate the effectiveness of rehabilitation programmes using VRT, specific virtual reality technology (VRT-S) and non-specific virtual reality technology (VRT-NS), to improve functional mobility in individuals aged >60 years versus conventional treatment (CT) or no intervention. Methods Nine databases (Cochrane Library, Scopus, PEDro, Medline, CSIC, Web of Science, OT Seeker, NGCH and CINAHL) were searched to identify randomised trials up to December 2019. Results of clinical trials that used VRT-S and VRT-NS in rehabilitation were combined, using a random effects model with inverse variance weighting of the studies. GRADE was used to assess the quality of evidence. The protocol was registered in PROSPERO: CRD42019131630. Overall, there was moderate quality of evidence for the functional mobility results, which means that the estimate of effect is likely to change. Results Sixteen of the 18 studies selected (n = 568) provided data for the subgroup meta-analysis. VRT-NS was more effective in improving functional mobility than no intervention [standardised mean difference (SMD) = –1.02; 95% confidence interval (CI) −1,91 to −0,14). VRT-NS was also more effective than CT in improving resistance in ambulation (SMD = −1.20; 95% CI –1.93 to 0.46). No significant differences were found between VRT-S and CT or no intervention. Programmes in which >18 sessions were applied were more beneficial (SMD = −0.89; 95% CI –1.71 to –0.08; <0.001) than programmes with ≤18 sessions (SMD = 0.04; 95% CI –0.51 to 0.59) versus no intervention. Conclusions Our results suggest that VRT is an effective intervention for improving functional mobility in older persons compared with CT. VRT-NS proved to be more effective than VRT-S. However, these results are still not conclusive due to the low methodological quality of the studies. Thus, new studies and analyses are required.

scholarly journals Technology-assisted rehabilitation following total knee or hip replacement for people with osteoarthritis: a systematic review and meta-analysis

2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Xia Wang ◽  
David J. Hunter ◽  
Giovana Vesentini ◽  
Daniel Pozzobon ◽  
Manuela L. Ferreira
Keyword(s):  
Adverse Events ◽  
Usual Care ◽  
Meta Analysis ◽  
Hospital Readmissions ◽  
Functional Mobility ◽  
Cochrane Library ◽  
Timed Up And Go ◽  
Quality Of Evidence ◽  
Evaluation Approach

Abstract Background To evaluate the effectiveness and safety of technology-assisted rehabilitation following total hip/knee replacement (THR/TKR). Methods Six electronic databases were searched without language or time restrictions for relevant studies: MEDLINE, EMBASE, Cochrane Library, CINAHL, SPORTDiscus, Physiotherapy Evidence Database (PEDro); from inception to November 7th, 2018. Two reviewers independently applied inclusion criteria to select eligible randomised controlled trials (RCTs) that investigated the effectiveness of technology-based interventions, compared with usual care or no intervention for people undergoing THR/TKR. Two reviewers independently extracted trial details (e.g. patients’ profile, intervention, outcomes, attrition and adverse events). Study methodological quality was assessed using the PEDro scale. Quality of evidence was critically appraised using the Grading of Recommendations, Assessment, Development and Evaluation approach. Results We identified 21 eligible studies assessing telerehabilitation, game- or web-based therapy. There were 17 studies (N = 2188) in post-TKR rehabilitation and 4 studies (N = 783) in post-THR rehabilitation. Compared to usual care, technology-based intervention was more effective in reducing pain (mean difference (MD): − 0.25; 95% confidence interval (CI): − 0.48, − 0.02; moderate evidence) and improving function measured with the timed up-and-go test (MD: -7.03; 95% CI: − 11.18, − 2.88) in people undergoing TKR. No between-group differences were observed in rates of hospital readmissions or treatment-related adverse events (AEs) in those studies. Conclusion There is moderate-quality of evidence showed technology-assisted rehabilitation, in particular, telerehabilitation, results in a statistically significant improvement in pain; and low-quality of evidence for the improvement in functional mobility in people undergoing TKR. The effects were however too small to be clinically significant. For THR, there is very limited low-quality evidence shows no significant effects.

scholarly journals Lumbar Roll Usage While Sitting Reduces the Forward Head Posture in Healthy Individuals: A Systematic Review with Meta-Analysis

2021 ◽  
Vol 18 (10) ◽  
pp. 5171
Author(s):  
Yusuke Handa ◽  
Kenya Okada ◽  
Hiroshi Takasaki
Keyword(s):  
Systematic Review ◽  
Meta Analysis ◽  
Grade System ◽  
Cochrane Library ◽  
Forward Head Posture ◽  
Quality Of Evidence ◽  
Head Posture ◽  
Head Extension ◽  
The Cochrane Library

This systematic review and meta-analysis investigated whether the use of a lumbar roll reduced forward head posture (FHP) while sitting among individuals with or without musculoskeletal disorders. EMBASE, MEDLINE, and the Cochrane Library were systematically searched from their inception to August 2020. The quality of evidence for variables used in the meta-analysis was determined using the GRADE system. Five studies satisfied the criteria for data analysis. All studies included individuals without any spinal symptoms. Data from five studies on neck angle showed a statistically significant (p = 0.02) overall effect (standardized mean difference (SMD) = 0.77), indicating a lesser neck flexion angle while sitting with a lumbar roll than without it. Data from two studies on head angle showed a statistically significant (p = 0.04) overall effect (SMD = 0.47), indicating a lesser head extension angle while sitting with a lumbar roll than without it. In each meta-analysis, the quality of evidence was very low in the GRADE system. The use of a lumbar roll while sitting reduced FHP among individuals without spinal symptoms.

scholarly journals Impact of Virtual Reality-Based Therapies on Cognition and Mental Health of Stroke Patients: Systematic Review and Meta-analysis

10.2196/31007 ◽  
2021 ◽  
Vol 23 (11) ◽  
pp. e31007
Author(s):  
Qi Zhang ◽  
Yu Fu ◽  
Yanhui Lu ◽  
Yating Zhang ◽  
Qifang Huang ◽  
...  
Keyword(s):  
Mental Health ◽  
Virtual Reality ◽  
Executive Function ◽  
Cognitive Function ◽  
Verbal Fluency ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Visuospatial Function ◽  
Global Cognitive Function

Background Stroke remains one of the major chronic illnesses worldwide that health care organizations will need to address for the next several decades. Individuals poststroke are subject to levels of cognitive impairment and mental health problems. Virtual reality (VR)-based therapies are new technologies used for cognitive rehabilitation and the management of psychological outcomes. Objective This study performed a meta-analysis to evaluate the effects of VR-based therapies on cognitive function and mental health in patients with stroke. Methods A comprehensive database search was performed using PubMed, MEDLINE (Ovid), Embase, Cochrane Library, and APA PsycINFO databases for randomized controlled trials (RCTs) that studied the effects of VR on patients with stroke. We included trials published up to April 15, 2021, that fulfilled our inclusion and exclusion criteria. The literature was screened, data were extracted, and the methodological quality of the included trials was assessed. Meta-analysis was performed using RevMan 5.3 software. Results A total of 894 patients from 23 RCTs were included in our meta-analysis. Compared to traditional rehabilitation therapies, the executive function (standard mean difference [SMD]=0.88, 95% confidence interval [CI]=0.06-1.70, P=.03), memory (SMD=1.44, 95% CI=0.21-2.68, P=.02), and visuospatial function (SMD=0.78, 95% CI=0.23-1.33, P=.006) significantly improved among patients after VR intervention. However, there were no significant differences observed in global cognitive function, attention, verbal fluency, depression, and the quality of life (QoL). Conclusions The findings of our meta-analysis showed that VR-based therapies are efficacious in improving executive function, memory, and visuospatial function in patients with stroke. For global cognitive function, attention, verbal fluency, depression, and the QoL, further research is required. Trial Registration PROSPERO International Prospective Register of Systematic Reviews CRD42021252788; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=252788

scholarly journals Association of Consumption of Sugar-Sweetened Beverages or Artificially Sweetened Beverages with Mortality: A Systematic Review and Dose–Response Meta-Analysis of Prospective Cohort Studies

2020 ◽  
Author(s):  
Yan-Bo Zhang ◽  
Yi-Wen Jiang ◽  
Jun-Xiang Chen ◽  
Peng-Fei Xia ◽  
An Pan
Keyword(s):  
Meta Analysis ◽  
Cochrane Library ◽  
Sugar Sweetened Beverage ◽  
Quality Of Evidence ◽  
Sweetened Beverage ◽  
Sweetened Beverages ◽  
All Cause Mortality ◽  
Meta Analyses ◽  
Cvd Mortality

ABSTRACT Sugar-sweetened beverage (SSB) and artificially sweetened beverage (ASB) intakes have been reported to be associated with mortality; however, conclusions have been inconsistent. This review synthesized the evidence on the associations of SSB and ASB intakes with mortality from all causes, cardiovascular disease (CVD), and cancer among all populations (including general, diseased, or occupational populations, etc.). PubMed, EMBASE, Web of Science, Cochrane Library, ProQuest, ClinicalTrials.gov, and the International Clinical Trials Registry Platform were searched up to March 2020. Fifteen studies including 17 cohorts were included in meta-analyses. Each serving (12 fluid ounces or 355 mL) increase in daily SSB consumption was associated with higher risks of all-cause (HR: 1.08; 95% CI: 1.04, 1.12; 11 cohorts with 965,851 participants) and CVD (HR: 1.08; 95% CI: 1.04, 1.12; 13 cohorts with 898,005 participants) mortality. The associations of ASB intakes with all-cause and CVD mortality were J-shaped, and HRs (95% CI) across different doses (0, 1, 1.5, 2, and 2.5 servings/d) were 1.00, 1.01 (0.99, 1.03), 1.04 (1.02, 1.07), 1.08 (1.05, 1.11), and 1.13 (1.09, 1.18) for all-cause mortality and 1.00, 1.01 (0.96, 1.07), 1.07 (1.01, 1.13), 1.15 (1.08, 1.23), and 1.25 (1.14, 1.37) for CVD mortality. No significant association was found for cancer mortality. According to the NutriGrade scoring system, the quality of evidence on the associations of SSB intakes with all-cause and CVD mortality was high, and the quality of evidence on other associations was low to moderate. In summary, higher SSB and ASB intakes were associated with higher risks of all-cause mortality and CVD mortality. Given the limited evidence, future studies should further investigate the association between ASB intakes and cause-specific mortality.

Acupuncture for post-stroke cognitive impairment: a systematic review and meta-analysis

2021 ◽  
pp. 096452842110095
Author(s):  
Xu Kuang ◽  
Wenjuan Fan ◽  
Jiawei Hu ◽  
Liqun Wu ◽  
Wei Yi ◽  
...  
Keyword(s):  
Cognitive Impairment ◽  
Subgroup Analysis ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Qualitative Synthesis ◽  
China National Knowledge Infrastructure ◽  
Quality Of Evidence ◽  
Post Stroke ◽  
Assessment Development

Objectives: The aim of this study was to evaluate the effectiveness and safety of acupuncture for the treatment of post-stroke cognitive impairment (PSCI). Methods: The Cochrane Library, Embase, Medline, China National Knowledge Infrastructure (CNKI), Chinese Science and Technology Periodical (VIP), Wanfang, and Chinese Biological Medicine (CBM) databases were electronically searched from their inception to 10 April 2019. The Montreal Cognitive Assessment (MoCA) scale and Mini-Mental State Examination (MMSE) scale were used as outcomes to assess effectiveness with respect to cognitive function. Assessment of risk of bias (ROB) and Grading of Recommendations Assessment, Development, and Evaluation (GRADE) assessment were performed by two reviewers independently. Data were analyzed using Review Manager (RevMan) 5.3. Results: A total of 28 trials with 2144 participants were included in the qualitative synthesis and meta-analysis. Four of the 28 trials (14%) were assessed as being at overall low ROB, 24 of the 28 trials (86%) were assessed as having overall high ROB. The quality of evidence for both MoCA and MMSE were deemed to be very low by the GRADE criteria. Results indicated that acupuncture groups may be benefiting more than non-acupuncture groups with respect to variation of MoCA scores (merged mean difference (MMD): 2.66, 95% confidence interval (CI): 2.18 to 3.13, p < 0.00001; heterogeneity: χ2 = 35.52, p = 0.0007, I2 = 63%), and the heterogeneity decreased in both subgroup analysis and sensitivity analysis. In addition, acupuncture groups might be benefiting more than non-acupuncture groups in terms of changes in MMSE score (MMD = 2.97, 95% CI = 2.13 to 3.80, p < 0.00001; heterogeneity: χ2 = 269.75; p < 0.00001; I2 = 92%), and the heterogeneity decreased in subgroup analysis. Only one RCT addressed adverse events, and the symptoms were mild and did not affect treatment and evaluation. Conclusion: Acupuncture could be effective and safe for PSCI. Nevertheless, the results should be interpreted cautiously due to the high ROB of included trials and very low quality of evidence for assessed outcomes.

Transfusion-associated necrotizing enterocolitis in preterm infants: an updated meta-analysis of observational data

2018 ◽  
Vol 46 (6) ◽  
pp. 677-685 ◽  
Author(s):  
Parvesh Garg ◽  
Rachel Pinotti ◽  
C. Vivek Lal ◽  
Ariel A. Salas
Keyword(s):  
Necrotizing Enterocolitis ◽  
Observational Studies ◽  
Meta Analysis ◽  
Primary Objective ◽  
Cochrane Library ◽  
Case Control Studies ◽  
Search Terms ◽  
Inverse Variance ◽  
Matched Case

Abstract Background: The number of observational studies that report an association between packed red blood cell (PRBC) transfusions and necrotizing enterocolitis (NEC) has increased. The primary objective of this study was to evaluate the association between PRBC transfusions and NEC in observational studies. Methods: Medline, Embase and Cochrane Library databases as well as the Pediatrics Academic Societies abstract archives were systematically searched to identify observational studies that investigated the association between PRBC transfusions and NEC. Key search terms included premature infant, blood transfusion and necrotizing enterocolitis. The generic inverse variance method with a random-effects model was used to meta-analyze selected studies. Odds ratios (ORs) and confidence intervals (CIs) were calculated. Results: A meta-analysis of 17 observational studies that reported the association between PRBC transfusions and NEC was performed. The meta-analysis revealed no evidence of an association between PRBC transfusions and a higher risk of NEC (OR: 0.96; 95% CI: 0.53–1.71; P=0.88). The effect estimates that suggested an association between PRBC transfusion and NEC in matched case-control studies (OR: 1.20; 95% CI: 0.58–2.47; P=0.63) differed from those reported in cohort studies (OR: 0.51; 95% CI: 0.34–0.75; P=<0.01). Conclusions: This updated meta-analysis of predominantly low-to-moderate quality observational studies suggests that there is no significant association between PRBC transfusions and NEC. A higher quality of evidence on this topic is needed.

scholarly journals Effectiveness and Feasibility of Internet-Based Interventions for Grief After Bereavement: Systematic Review and Meta-analysis

10.2196/29661 ◽  
2021 ◽  
Vol 8 (12) ◽  
pp. e29661
Author(s):  
Andrea E Zuelke ◽  
Melanie Luppa ◽  
Margrit Löbner ◽  
Alexander Pabst ◽  
Christine Schlapke ◽  
...  
Keyword(s):  
Systematic Review ◽  
Posttraumatic Stress ◽  
Systematic Reviews ◽  
Meta Analysis ◽  
Complicated Grief ◽  
Quality Criteria ◽  
Cochrane Library ◽  
Quality Of Evidence ◽  
Objective Quality

Background Although grief and its symptoms constitute a normal reaction to experiences of loss, some of those affected still report elevated levels of distress after an extended period, often termed complicated grief. Beneficial treatment effects of face-to-face therapies, for example, grief counseling or cognitive behavioral therapy against complicated grief, have been reported. Evaluations of internet- and mobile-based interventions targeting symptoms of grief in bereaved individuals with regard to objective quality criteria are currently lacking. Objective We aim to conduct a systematic review and meta-analysis on the effectiveness and feasibility of internet- and mobile-based interventions against symptoms of grief after bereavement. Methods We conducted systematic literature searches of randomized controlled trials or feasibility studies published before January 9, 2020, following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, in PubMed, PsycINFO, Web of Science Core Collection, and the Cochrane Library. The quality of evidence was assessed using the Grading of Recommendations, Assessment, Development, and Evaluations system. We further assessed aspects of feasibility and rated quality of interventions using criteria suggested by an expert panel on mental health care (German Association for Psychiatry, Psychotherapy, and Psychosomatics). A random-effects meta-analysis was conducted to assess between-group effect sizes. Results In total, 9 trials (N=1349) were included. Of these, 7 studies were analyzed meta-analytically. Significant effects were found for symptoms of grief (g=0.54, 95% CI 0.32-0.77), depression (g=0.44, 95% CI 0.20-0.68), and posttraumatic stress (g=0.82, 95% CI 0.63-1.01). Heterogeneity was moderate for grief and depression (I2=48.75% and 55.19%, respectively) and low for posttraumatic stress symptoms (I2=0%). The overall quality of evidence was graded low (grief and depression) to moderate (posttraumatic stress). User satisfaction with the interventions was high, as was the quality of the interventions assessed using objective quality criteria. Conclusions Internet- or mobile-based interventions might constitute an effective treatment approach against symptoms of grief in bereaved adults. However, the small sample sizes and limited number of studies included in the review warrant further investigation. Trial Registration International Prospective Register of Systematic Reviews (PROSPERO) CRD42012002100; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=131428

scholarly journals Does Low-Magnitude High-Frequency Vibration (LMHFV) Worth for Clinical Trial on Dental Implant? A Systematic Review and Meta-Analysis on Animal Studies

2021 ◽  
Vol 9 ◽  
Author(s):  
Xinjian Ye ◽  
Ying Gu ◽  
Yijing Bai ◽  
Siqi Xia ◽  
Yujia Zhang ◽  
...  
Keyword(s):  
Systematic Review ◽  
Dental Implant ◽  
High Frequency ◽  
Animal Studies ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Quality Of Evidence ◽  
High Frequency Vibration ◽  
Low Magnitude

Being as a non-pharmacological medical intervention, low-magnitude high-frequency vibration (LMHFV) has shown a positive effect on bone induction and remodeling for various muscle diseases in animal studies, among which dental implants osteointegration were reported to be improved as well. However, whether LMHFV can be clinically used in dental implant is still unknown. In this study, efficacy, parameters and side effects of LMHFV were analyzed via data before 15th July 2020, collecting from MEDLINE/PubMed, Embase, Ovid and Cochrane Library databases. In the screened 1,742 abstracts and 45 articles, 15 animal studies involving 972 implants were included. SYRCLE's tool was performed to assess the possible risk of bias for each study. The GRADE approach was applied to evaluate the quality of evidence. Random effects meta-analysis detected statistically significant in total BIC (P &lt; 0.0001) and BV/TV (P = 0.001) upon loading LMHFV on implants. To conclude, LMHFV played an active role on BIC and BV/TV data according to the GRADE analysis results (medium and low quality of evidence). This might illustrate LMHFV to be a worthy way in improving osseointegration clinically, especially for osteoporosis.Systematic Review Registration:https://www.crd.york.ac.uk/PROSPERO, identifier: NCT02612389

scholarly journals Effectiveness and Feasibility of Internet-Based Interventions for Grief After Bereavement: Systematic Review and Meta-analysis (Preprint)

2021 ◽  
Author(s):  
Andrea E Zuelke ◽  
Melanie Luppa ◽  
Margrit Löbner ◽  
Alexander Pabst ◽  
Christine Schlapke ◽  
...  
Keyword(s):  
Systematic Review ◽  
Posttraumatic Stress ◽  
Systematic Reviews ◽  
Meta Analysis ◽  
Complicated Grief ◽  
Quality Criteria ◽  
Cochrane Library ◽  
Quality Of Evidence ◽  
Objective Quality

BACKGROUND Although grief and its symptoms constitute a normal reaction to experiences of loss, some of those affected still report elevated levels of distress after an extended period, often termed complicated grief. Beneficial treatment effects of face-to-face therapies, for example, grief counseling or cognitive behavioral therapy against complicated grief, have been reported. Evaluations of internet- and mobile-based interventions targeting symptoms of grief in bereaved individuals with regard to objective quality criteria are currently lacking. OBJECTIVE We aim to conduct a systematic review and meta-analysis on the effectiveness and feasibility of internet- and mobile-based interventions against symptoms of grief after bereavement. METHODS We conducted systematic literature searches of randomized controlled trials or feasibility studies published before January 9, 2020, following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, in PubMed, PsycINFO, Web of Science Core Collection, and the Cochrane Library. The quality of evidence was assessed using the Grading of Recommendations, Assessment, Development, and Evaluations system. We further assessed aspects of feasibility and rated quality of interventions using criteria suggested by an expert panel on mental health care (German Association for Psychiatry, Psychotherapy, and Psychosomatics). A random-effects meta-analysis was conducted to assess between-group effect sizes. RESULTS In total, 9 trials (N=1349) were included. Of these, 7 studies were analyzed meta-analytically. Significant effects were found for symptoms of grief (<i>g</i>=0.54, 95% CI 0.32-0.77), depression (<i>g</i>=0.44, 95% CI 0.20-0.68), and posttraumatic stress (<i>g</i>=0.82, 95% CI 0.63-1.01). Heterogeneity was moderate for grief and depression (<i>I</i><sup>2</sup>=48.75% and 55.19%, respectively) and low for posttraumatic stress symptoms (<i>I</i><sup>2</sup>=0%). The overall quality of evidence was graded low (grief and depression) to moderate (posttraumatic stress). User satisfaction with the interventions was high, as was the quality of the interventions assessed using objective quality criteria. CONCLUSIONS Internet- or mobile-based interventions might constitute an effective treatment approach against symptoms of grief in bereaved adults. However, the small sample sizes and limited number of studies included in the review warrant further investigation. CLINICALTRIAL International Prospective Register of Systematic Reviews (PROSPERO) CRD42012002100; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=131428

Effect of unplanned athletic movement on knee mechanics: a systematic review with multilevel meta-analysis

2021 ◽  
pp. bjsports-2021-103933
Author(s):  
Florian Giesche ◽  
Felix Stief ◽  
David A Groneberg ◽  
Jan Wilke
Keyword(s):  
Systematic Review ◽  
Internal Rotation ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Quality Of Evidence ◽  
Moderator Analysis ◽  
Tibial Internal Rotation ◽  
Knee Mechanics ◽  
Knee Abduction

ObjectiveTo compare the effects of pre-planned and unplanned movement tasks on knee biomechanics in uninjured individuals.DesignSystematic review with meta-analysis.Data sourcesFive databases (PubMed, Google Scholar, Cochrane Library, ScienceDirect and Web of Science) were searched from inception to November 2020. Cross-sectional, (randomised) controlled/non-controlled trials comparing knee angles/moments of pre-planned and unplanned single-leg landings/cuttings were included. Quality of evidence was assessed using the tool of the Grading of Recommendations Assessment, Development and Evaluation working group.MethodsA multilevel meta-analysis with a robust random-effects meta-regression model was used to pool the standardised mean differences (SMD) of knee mechanics between pre-planned and unplanned tasks. The influence of possible effect modifiers (eg, competitive performance level) was examined in a moderator analysis.ResultsTwenty-five trials (485 participants) with good methodological quality (Downs and Black) were identified. Quality of evidence was downgraded due to potential risk of bias (eg, confounding). Moderate-quality evidence indicates that unplanned tasks evoked significantly higher external knee abduction (SMD: 0.34, 95% CI: 0.16 to 0.51, 14 studies) and tibial internal rotation moments (SMD: 0.51, 95% CI: 0.23 to 0.79, 11 studies). No significant between-condition differences were detected for sagittal plane mechanics (p>0.05). According to the moderator analysis, increased abduction moments particularly occurred in non-professional athletes (SMD: 0.55, 95% CI: 0.14 to 0.95, 5 studies).ConclusionUnplanned movement entails higher knee abduction and tibial internal rotation moments, which could predispose for knee injury. Exercise professionals designing injury-prevention protocols, especially for non-elite athletes, should consider the implementation of assessments and exercises requiring time-constrained decision-making.PROSPERO registration numberCRD42019140331.

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