BACKGROUND Running is a hugely popular sport.Unfortunately,running-related injury(RRI)rates are high,particularly amongst amateur and recreational runners.Finding ways to reduce RRI rates and maximise comfort and perf...BACKGROUND Running is a hugely popular sport.Unfortunately,running-related injury(RRI)rates are high,particularly amongst amateur and recreational runners.Finding ways to reduce RRI rates and maximise comfort and performance for runners is important.Evidence regarding whether orthotics can successfully improve these parameters is limited and contradicting.Further research is required to provide runners with clearer guidance on the usefulness of orthotics.AIM To investigate the effect of Aetrex Orthotics on comfort,speed and RRI rates during recreational running.METHODS One hundred and six recreational runners were recruited on a voluntary basis via running clubs and social media pages and randomised into either the intervention or control group.Participants in the intervention group ran with Aetrex L700 Speed Orthotics inserted in their usual running shoes,whilst participants in the control group ran in their usual running shoes with no orthotics.The study ran for an 8-wk period.Participants provided data relating to running comfort,distance,and time during weeks 3-6.Participants provided data relating to any RRIs they sustained during all 8 wks.Running distance and time were used to calculate running speed in miles per hour(mph).For each outcome variable,95%confidence intervals and P values were calculated to assess the statistical significance between the groups.For comfort and speed data,univariate multi-level analysis was performed,and for outcome variables with significant between group differences,multi-level multivariate analysis was performed to evaluate any confounding effects of gender and age.RESULTS Ninety-four participants were included in the final analysis(drop-out rate=11%).Comfort and speed from 940 runs and 978 injury data reports were analysed.Participants who ran with orthotics reported,on average,speeds 0.30 mph faster(P=0.20)and comfort scores 1.27 points higher(P≤0.001)than participants who ran with no orthotics.They were also 2.22 times less likely to sustain an injury(P=0.08)than partic展开更多
Prostheses and orthoses are common assistive devices to meet the biomechanical needs of people with physical disabilities.The traditional fabrication approach for prostheses or orthoses is a materialwasting,time-consu...Prostheses and orthoses are common assistive devices to meet the biomechanical needs of people with physical disabilities.The traditional fabrication approach for prostheses or orthoses is a materialwasting,time-consuming,and labor-intensive process.Additive manufacturing(AM)technology has advantages that can solve these problems.Many trials have been conducted in fabricating prostheses and orthoses.However,there is still a gap between the hype and the expected realities of AM in prosthetic and orthotic clinics.One of the key challenges is the lack of a systematic framework of integrated technologies with the AM procedure;another challenge is the need to design a prosthetic or orthotic product that can meet the requirements of both comfort and function.This study reviews the current state of application of AM technologies in prosthesis and orthosis fabrication,and discusses optimal design using computational methods and biomechanical evaluations of product performance.A systematic framework of the AM procedure is proposed,which covers the scanning of affected body parts through to the final designed adaptable product.A cycle of optimal design and biomechanical evaluation of products using finite-element analysis is included in the framework.A mature framework of the AM procedure and sufficient evidence that the resulting products show satisfactory biomechanical performance will promote the application of AM in prosthetic and orthotic clinics.展开更多
BACKGROUND Plantar fasciitis(PF)affects around 10%of the population.Prefabricated orthotics with arch support has been shown to provide symptom relief in PF by decreasing the repetitive stress sustained by the plantar...BACKGROUND Plantar fasciitis(PF)affects around 10%of the population.Prefabricated orthotics with arch support has been shown to provide symptom relief in PF by decreasing the repetitive stress sustained by the plantar fascia.However,prefabricated orthotics are only effective when shoes are worn,meaning the foot may be left unsupported when it is impractical to wear shoes.Using orthotic sandals in conjunction with prefabricated orthotics may increase PF symptom relief,as they can be worn inside the home,extending the period in which the foot is supported.AIM To compare the combined use of prefabricated orthotics and orthotic sandals vs the sole use of prefabricated orthotics in the treatment of PF.METHODS 98 participants with PF were randomised into two groups.The intervention group received the Aetrex L420 Compete orthotics and the Aetrex L3000 Maui Flips(orthotic sandals),whilst the control group received the Aetrex L420 Compete orthotics only.Foot pain was assessed both by the numerical rating scale(NRS)and the pain sub-scale of the foot health status questionnaire(FHSQ).Foot functionality was measured using the function sub-scale of the FHSQ.Symptom change was measured using the global rating of change scale(GROC).RESULTS Foot pain scores measured both by NRS and FHSQ pain sub-scale showed statistically significant reductions in foot pain in both groups(P<0.05)at six months.Both groups also reported statistically significant improvements(P<0.05)in function as measured by the FHSQ function subscale and improvement of symptoms as measured by the GROC scale.Between-group analysis showed that the intervention group with the combined use of orthotics and orthotic sandals scored better on all four outcome measures as compared to the control group with the sole use of orthotics.However,the between-group analysis only reached statistical significance on the NRS pain score(P<0.05).CONCLUSION Combined use of prefabricated orthotics and orthotic sandals provides a greater decrease in foot pain and improvement in foot fun展开更多
Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cav...Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cavus deformity. Orthosis is widespread and varies widely in forms. The paper arises the necessity of habilitation at the earliest possible stage as only a few patients use it. The meta-analysis of 412 scientific papers concerning this problem demonstrates the getting better gate, balance and the stopping CMT progression which is scientifically proven. It is also shown that patients with CMT use low prevalence of orthotics, and demonstrate low compliance of patients (for various reasons), high expectations from this habilitation technique.展开更多
基金Supported by Aetrex,Inc.414 Alfred Avenue Teaneck,NJ 07666,USA。
文摘BACKGROUND Running is a hugely popular sport.Unfortunately,running-related injury(RRI)rates are high,particularly amongst amateur and recreational runners.Finding ways to reduce RRI rates and maximise comfort and performance for runners is important.Evidence regarding whether orthotics can successfully improve these parameters is limited and contradicting.Further research is required to provide runners with clearer guidance on the usefulness of orthotics.AIM To investigate the effect of Aetrex Orthotics on comfort,speed and RRI rates during recreational running.METHODS One hundred and six recreational runners were recruited on a voluntary basis via running clubs and social media pages and randomised into either the intervention or control group.Participants in the intervention group ran with Aetrex L700 Speed Orthotics inserted in their usual running shoes,whilst participants in the control group ran in their usual running shoes with no orthotics.The study ran for an 8-wk period.Participants provided data relating to running comfort,distance,and time during weeks 3-6.Participants provided data relating to any RRIs they sustained during all 8 wks.Running distance and time were used to calculate running speed in miles per hour(mph).For each outcome variable,95%confidence intervals and P values were calculated to assess the statistical significance between the groups.For comfort and speed data,univariate multi-level analysis was performed,and for outcome variables with significant between group differences,multi-level multivariate analysis was performed to evaluate any confounding effects of gender and age.RESULTS Ninety-four participants were included in the final analysis(drop-out rate=11%).Comfort and speed from 940 runs and 978 injury data reports were analysed.Participants who ran with orthotics reported,on average,speeds 0.30 mph faster(P=0.20)and comfort scores 1.27 points higher(P≤0.001)than participants who ran with no orthotics.They were also 2.22 times less likely to sustain an injury(P=0.08)than partic
基金This study is supported by National Key R&D Program granted by the Ministry of Science and Technology of China(2018YFB1107000)the NFSC projects granted by the National Natural Science Foundation of China(11732015 and 11972315)the General Research Fund granted by the Hong Kong Research Grant Council(PolyUl52065/17E).
文摘Prostheses and orthoses are common assistive devices to meet the biomechanical needs of people with physical disabilities.The traditional fabrication approach for prostheses or orthoses is a materialwasting,time-consuming,and labor-intensive process.Additive manufacturing(AM)technology has advantages that can solve these problems.Many trials have been conducted in fabricating prostheses and orthoses.However,there is still a gap between the hype and the expected realities of AM in prosthetic and orthotic clinics.One of the key challenges is the lack of a systematic framework of integrated technologies with the AM procedure;another challenge is the need to design a prosthetic or orthotic product that can meet the requirements of both comfort and function.This study reviews the current state of application of AM technologies in prosthesis and orthosis fabrication,and discusses optimal design using computational methods and biomechanical evaluations of product performance.A systematic framework of the AM procedure is proposed,which covers the scanning of affected body parts through to the final designed adaptable product.A cycle of optimal design and biomechanical evaluation of products using finite-element analysis is included in the framework.A mature framework of the AM procedure and sufficient evidence that the resulting products show satisfactory biomechanical performance will promote the application of AM in prosthetic and orthotic clinics.
基金Supported by Aetrex,Inc.414 Alfred Avenue Teaneck,NJ 07666,United States.
文摘BACKGROUND Plantar fasciitis(PF)affects around 10%of the population.Prefabricated orthotics with arch support has been shown to provide symptom relief in PF by decreasing the repetitive stress sustained by the plantar fascia.However,prefabricated orthotics are only effective when shoes are worn,meaning the foot may be left unsupported when it is impractical to wear shoes.Using orthotic sandals in conjunction with prefabricated orthotics may increase PF symptom relief,as they can be worn inside the home,extending the period in which the foot is supported.AIM To compare the combined use of prefabricated orthotics and orthotic sandals vs the sole use of prefabricated orthotics in the treatment of PF.METHODS 98 participants with PF were randomised into two groups.The intervention group received the Aetrex L420 Compete orthotics and the Aetrex L3000 Maui Flips(orthotic sandals),whilst the control group received the Aetrex L420 Compete orthotics only.Foot pain was assessed both by the numerical rating scale(NRS)and the pain sub-scale of the foot health status questionnaire(FHSQ).Foot functionality was measured using the function sub-scale of the FHSQ.Symptom change was measured using the global rating of change scale(GROC).RESULTS Foot pain scores measured both by NRS and FHSQ pain sub-scale showed statistically significant reductions in foot pain in both groups(P<0.05)at six months.Both groups also reported statistically significant improvements(P<0.05)in function as measured by the FHSQ function subscale and improvement of symptoms as measured by the GROC scale.Between-group analysis showed that the intervention group with the combined use of orthotics and orthotic sandals scored better on all four outcome measures as compared to the control group with the sole use of orthotics.However,the between-group analysis only reached statistical significance on the NRS pain score(P<0.05).CONCLUSION Combined use of prefabricated orthotics and orthotic sandals provides a greater decrease in foot pain and improvement in foot fun
文摘Charcot-Marie-Tooth (CMT) disease, which encompasses several hereditary motor and sensory neuropathies, is one of the most common neuro-muscular disorders. 80% of patients having CMT disease are diagnosed with per cavus deformity. Orthosis is widespread and varies widely in forms. The paper arises the necessity of habilitation at the earliest possible stage as only a few patients use it. The meta-analysis of 412 scientific papers concerning this problem demonstrates the getting better gate, balance and the stopping CMT progression which is scientifically proven. It is also shown that patients with CMT use low prevalence of orthotics, and demonstrate low compliance of patients (for various reasons), high expectations from this habilitation technique.
