The exercise recommendation system is emerging as a promising application in online learning scenarios,providing personalized recommendations to assist students with explicit learning directions.Existing solutions gen...The exercise recommendation system is emerging as a promising application in online learning scenarios,providing personalized recommendations to assist students with explicit learning directions.Existing solutions generally follow a collaborative filtering paradigm,while the implicit connections between students(exercises)have been largely ignored.In this study,we aim to propose an exercise recommendation paradigm that can reveal the latent connections between student-student(exercise-exercise).Specifically,a new framework was proposed,namely personalized exercise recommendation with student and exercise portraits(PERP).It consists of three sequential and interdependent modules:Collaborative student exercise graph(CSEG)construction,joint random walk,and recommendation list optimization.Technically,CSEG is created as a unified heterogeneous graph with students’response behaviors and student(exercise)relationships.Then,a joint random walk to take full advantage of the spectral properties of nearly uncoupled Markov chains is performed on CSEG,which allows for full exploration of both similar exercises that students have finished and connections between students(exercises)with similar portraits.Finally,we propose to optimize the recommendation list to obtain different exercise suggestions.After analyses of two public datasets,the results demonstrated that PERP can satisfy novelty,accuracy,and diversity.展开更多
AIM:To determine if the addition of hip-strengthening exercises decreases pain and improves function in patients with patellofemoral pain syndrome.METHODS:The authors completed a systematic reviewsearching eight datab...AIM:To determine if the addition of hip-strengthening exercises decreases pain and improves function in patients with patellofemoral pain syndrome.METHODS:The authors completed a systematic reviewsearching eight databases(i.e.,Pub Med,Cochrane,CINHAL,MEDLINE,Sports Discus,EMBASE,APTA Hooked on Evidence,and PEDro).Two independent reviewers screened and excluded studies if they did not meet the following inclusion criteria:subjects had a primary diagnosis of patellofemoral pain syndrome(PFPS),intervention group included hip-strengthening exercises,control group included a traditional physical therapy intervention,study included outcome measures of pain and/or function,study used a randomized controlled trial design,PEDro score was ≥ 7,and study was published in a peer-reviewed journal.Primary outcome measures were subjective scales of pain and function.These measures were converted to standardized mean difference [effect size(ES)],and a random-effects model was used to calculate the overall ES.RESULTS:Two hundred eighty-three studies were screened for inclusion in our meta-analysis.Nine studies were deemed suitable for data extraction and analysis.A total of 426 subjects were used in the nine studies.Overall,there was a significant positive effect of hip-strengthening exercises on measures of pain and function in subjects with PFPS(ES = 0.94,P = 0.00004).None of the individual studies had a negative ES,with study ES ranging from 0.35 to 2.59.Because of the high degree of between-study variance(I2 = 76%;Q = 34.0,P < 0.001),subgroup meta-analyses and meta-regressions were performed.None of the potential moderator variables that were investigated(e.g.,outcome type,hip region targeted,duration of treatment) could explain a significant amount of the between-study variance in ES(P ≥ 0.23).CONCLUSION:Overall,the addition of hip-strengthening exercises to traditional physical therapy produced greater improvements in measures of pain and function.展开更多
Objective:To research the sodium hyaluronate joint cavity filling combined with exercise therapy on the indicator of pain,motor function,and levels of inflammatory factors in joint fluid in patients with post-traumati...Objective:To research the sodium hyaluronate joint cavity filling combined with exercise therapy on the indicator of pain,motor function,and levels of inflammatory factors in joint fluid in patients with post-traumatic knee arthritis.Method Totally 100 patients(Department of Orthopaedics,The second Affiliated Hospital to Liaoning University of Chinese Medicine,2013.10-2018.8)with post-traumatic knee arthritis were selected,then they were divided into observation group(n=50)and control group(n=50).The control group was given glucosamine sulfate and sodium hyaluronate joint cavity filling,the observation group was given leg press with visual feedback,they were treated 4 weeks.Assessing the pain degree through visual analog scale(VAS),hospital for special surgery knee score(HSS)as the indicator of motor function,inflammatory factor(TNF-α,IL-6,and IL-8)in the joint fluid.Results The score of VAS were lower than pretherapy(P<0.05),the degree of VAS of observation group were lower than control group(P<0.05).The score of HSS were higher than pretherapy(P<0.05),the degree of VAS of observation group were higher than control group(P<0.05).The inflammatory factor(TNF-α,IL-6,and CRP)in the joint fluid were lower than pretherapy(P<0.05),and the observation group were lower than control group(P<0.05).Conclusions Giving sodium hyaluronate joint cavity filling combined with exercise therapy can improve the function of joint.展开更多
基金supported by the Industrial Support Project of Gansu Colleges under Grant No.2022CYZC-11Gansu Natural Science Foundation Project under Grant No.21JR7RA114+1 种基金National Natural Science Foundation of China under Grants No.622760736,No.1762078,and No.61363058Northwest Normal University Teachers Research Capacity Promotion Plan under Grant No.NWNU-LKQN2019-2.
文摘The exercise recommendation system is emerging as a promising application in online learning scenarios,providing personalized recommendations to assist students with explicit learning directions.Existing solutions generally follow a collaborative filtering paradigm,while the implicit connections between students(exercises)have been largely ignored.In this study,we aim to propose an exercise recommendation paradigm that can reveal the latent connections between student-student(exercise-exercise).Specifically,a new framework was proposed,namely personalized exercise recommendation with student and exercise portraits(PERP).It consists of three sequential and interdependent modules:Collaborative student exercise graph(CSEG)construction,joint random walk,and recommendation list optimization.Technically,CSEG is created as a unified heterogeneous graph with students’response behaviors and student(exercise)relationships.Then,a joint random walk to take full advantage of the spectral properties of nearly uncoupled Markov chains is performed on CSEG,which allows for full exploration of both similar exercises that students have finished and connections between students(exercises)with similar portraits.Finally,we propose to optimize the recommendation list to obtain different exercise suggestions.After analyses of two public datasets,the results demonstrated that PERP can satisfy novelty,accuracy,and diversity.
文摘AIM:To determine if the addition of hip-strengthening exercises decreases pain and improves function in patients with patellofemoral pain syndrome.METHODS:The authors completed a systematic reviewsearching eight databases(i.e.,Pub Med,Cochrane,CINHAL,MEDLINE,Sports Discus,EMBASE,APTA Hooked on Evidence,and PEDro).Two independent reviewers screened and excluded studies if they did not meet the following inclusion criteria:subjects had a primary diagnosis of patellofemoral pain syndrome(PFPS),intervention group included hip-strengthening exercises,control group included a traditional physical therapy intervention,study included outcome measures of pain and/or function,study used a randomized controlled trial design,PEDro score was ≥ 7,and study was published in a peer-reviewed journal.Primary outcome measures were subjective scales of pain and function.These measures were converted to standardized mean difference [effect size(ES)],and a random-effects model was used to calculate the overall ES.RESULTS:Two hundred eighty-three studies were screened for inclusion in our meta-analysis.Nine studies were deemed suitable for data extraction and analysis.A total of 426 subjects were used in the nine studies.Overall,there was a significant positive effect of hip-strengthening exercises on measures of pain and function in subjects with PFPS(ES = 0.94,P = 0.00004).None of the individual studies had a negative ES,with study ES ranging from 0.35 to 2.59.Because of the high degree of between-study variance(I2 = 76%;Q = 34.0,P < 0.001),subgroup meta-analyses and meta-regressions were performed.None of the potential moderator variables that were investigated(e.g.,outcome type,hip region targeted,duration of treatment) could explain a significant amount of the between-study variance in ES(P ≥ 0.23).CONCLUSION:Overall,the addition of hip-strengthening exercises to traditional physical therapy produced greater improvements in measures of pain and function.
文摘Objective:To research the sodium hyaluronate joint cavity filling combined with exercise therapy on the indicator of pain,motor function,and levels of inflammatory factors in joint fluid in patients with post-traumatic knee arthritis.Method Totally 100 patients(Department of Orthopaedics,The second Affiliated Hospital to Liaoning University of Chinese Medicine,2013.10-2018.8)with post-traumatic knee arthritis were selected,then they were divided into observation group(n=50)and control group(n=50).The control group was given glucosamine sulfate and sodium hyaluronate joint cavity filling,the observation group was given leg press with visual feedback,they were treated 4 weeks.Assessing the pain degree through visual analog scale(VAS),hospital for special surgery knee score(HSS)as the indicator of motor function,inflammatory factor(TNF-α,IL-6,and IL-8)in the joint fluid.Results The score of VAS were lower than pretherapy(P<0.05),the degree of VAS of observation group were lower than control group(P<0.05).The score of HSS were higher than pretherapy(P<0.05),the degree of VAS of observation group were higher than control group(P<0.05).The inflammatory factor(TNF-α,IL-6,and CRP)in the joint fluid were lower than pretherapy(P<0.05),and the observation group were lower than control group(P<0.05).Conclusions Giving sodium hyaluronate joint cavity filling combined with exercise therapy can improve the function of joint.
