Heart transplantation(HT),the treatment choice of advanced heart failure pa-tients,is proven effective in increasing the survival and functional status of the recipients.However,compared to normal controls,functional ...Heart transplantation(HT),the treatment choice of advanced heart failure pa-tients,is proven effective in increasing the survival and functional status of the recipients.However,compared to normal controls,functional status is lower in HT recipients.Exercise given in cardiac rehabilitation has been shown to improve exercise capacity as measured with peak oxygen uptake(VO2 peak)and muscle strength after completion of the program and cessation of exercise results in loss of exercise benefits.Several factors related to cardiac denervation and the use of immunosuppressive agents in HT recipients result in functional impairments including cardiovascular,pulmonary,exercise capacity,psychological,and qua-lity of life(QoL)problems.High-intensity interval training(HIIT)is the most common type of exercise used in HT recipients and given as a hospital-based program.Improvement of functional impairments was found to have occurred due to primarily musculoskeletal adaptations through improvement of muscle structure and aerobic capacity and cardiovascular adaptations.In general,exercise given after transplantation improved VO2 peak significantly and improvement was better in the HIIT group compared to moderate intensity continuous training or no-exercise groups.Improvement of QoL was ascribed to improve-ment of exercise capacity,symptoms,pulmonary function,physical capacity improve-ment,anxiety,and depression.展开更多
Purpose To investigate the feasibility of a municipality-based 16-week group-based HIFT-program(e.g.CrossFit)as a part of the physical rehabilitation of cancer survivors at different stages of cancer treatment.Methods...Purpose To investigate the feasibility of a municipality-based 16-week group-based HIFT-program(e.g.CrossFit)as a part of the physical rehabilitation of cancer survivors at different stages of cancer treatment.Methods Non-randomised clinical feasibility study.Younger adult patients(age 18-44 years)diagnosed with cancer who were referred to rehabilitation between August 2019 to December 2019 were eligible for inclusion.The group-based HIFT intervention was designed as a 16-week program with two sessions weekly(1.25 h each).The intervention program was not developed with pre-defined progression in terms of gradually added resistance,intensity,or volume during the 16 weeks period but the physiotherapist leading the sessions was trained in scalability.Feasibility was evaluated as retention,adher-ence,and accrual rates.Data on quality of life and cancer-related fatigue were measured EORTC QLQ-C-30 and evaluated using paired t-tests or Wilcoxon signed-rank test.Results Eighty-three percent of the eligible patients were included and initiated the HIFT program.However,25%of the patients were not adherent to the intervention and only 34% of the patients were still adherent to the intervention after 4 months.Nonetheless,a significant improvement in cancer specific HRQoL was found from baseline[Mean=53.4,95%CI(47.6,59.1)]to the end of the intervention[Mean=66.3,95%CI(60.8,71.9)].Conclusion It is possible to recruit patients diagnosed with cancer to a municipality-based HIFT rehabilitation program,however,adherence to the intervention is found to be difficult for the majority of the patients.展开更多
Purpose The fact that CrossFit^(®)is the best-known and rapidly growing concept for high-intensity interval training(HIIT)and high-intensity functional training(HIFT)results in a continuous increase of athletes p...Purpose The fact that CrossFit^(®)is the best-known and rapidly growing concept for high-intensity interval training(HIIT)and high-intensity functional training(HIFT)results in a continuous increase of athletes performing CrossFit^(®).In the more than 15,000 CrossFit^(®)Affiliates worldwide,the training concept is usually offered in 1-h training sessions containing the CrossFit^(®)-related workout of the day(WOD),as well as a general warm-up,movement demonstrations,and skill training.Here,we report how physiological parameters measured by heart rate(HR)values vary during four different 1-h CrossFit^(®)training sessions of non-elite athletes(n=27)in a local affiliated training center and what influencing factors may exist.Methods The duration of the 1-h training sessions were divided into a warm-up part(WU-part),a skill development part combined with strength exercises(A-part),followed by the WOD part(B-part).Results Analysis of HR values shows high training intensity(≥91%HR_(max))not throughout the duration of each training session,only during B-part.The mean HR values in B-part differ significantly compared to the remaining training parts(P<0.001)for all four training sessions.Comparison of different CrossFit^(®)experience levels revealed no significant differ-ence in acute physiological demands and training load between beginner and experienced CrossFit^(®)athletes.Conclusion Our results may suggest that practicing CrossFit^(®)in 1-h training sessions combined anaerobic and aerobic exercise intensities,with the training concept allows beginners and experienced athletes to be trained with the same cardio-vascular responses and training intensities.展开更多
文摘Heart transplantation(HT),the treatment choice of advanced heart failure pa-tients,is proven effective in increasing the survival and functional status of the recipients.However,compared to normal controls,functional status is lower in HT recipients.Exercise given in cardiac rehabilitation has been shown to improve exercise capacity as measured with peak oxygen uptake(VO2 peak)and muscle strength after completion of the program and cessation of exercise results in loss of exercise benefits.Several factors related to cardiac denervation and the use of immunosuppressive agents in HT recipients result in functional impairments including cardiovascular,pulmonary,exercise capacity,psychological,and qua-lity of life(QoL)problems.High-intensity interval training(HIIT)is the most common type of exercise used in HT recipients and given as a hospital-based program.Improvement of functional impairments was found to have occurred due to primarily musculoskeletal adaptations through improvement of muscle structure and aerobic capacity and cardiovascular adaptations.In general,exercise given after transplantation improved VO2 peak significantly and improvement was better in the HIIT group compared to moderate intensity continuous training or no-exercise groups.Improvement of QoL was ascribed to improve-ment of exercise capacity,symptoms,pulmonary function,physical capacity improve-ment,anxiety,and depression.
基金Open access funding provided by National Hospital.
文摘Purpose To investigate the feasibility of a municipality-based 16-week group-based HIFT-program(e.g.CrossFit)as a part of the physical rehabilitation of cancer survivors at different stages of cancer treatment.Methods Non-randomised clinical feasibility study.Younger adult patients(age 18-44 years)diagnosed with cancer who were referred to rehabilitation between August 2019 to December 2019 were eligible for inclusion.The group-based HIFT intervention was designed as a 16-week program with two sessions weekly(1.25 h each).The intervention program was not developed with pre-defined progression in terms of gradually added resistance,intensity,or volume during the 16 weeks period but the physiotherapist leading the sessions was trained in scalability.Feasibility was evaluated as retention,adher-ence,and accrual rates.Data on quality of life and cancer-related fatigue were measured EORTC QLQ-C-30 and evaluated using paired t-tests or Wilcoxon signed-rank test.Results Eighty-three percent of the eligible patients were included and initiated the HIFT program.However,25%of the patients were not adherent to the intervention and only 34% of the patients were still adherent to the intervention after 4 months.Nonetheless,a significant improvement in cancer specific HRQoL was found from baseline[Mean=53.4,95%CI(47.6,59.1)]to the end of the intervention[Mean=66.3,95%CI(60.8,71.9)].Conclusion It is possible to recruit patients diagnosed with cancer to a municipality-based HIFT rehabilitation program,however,adherence to the intervention is found to be difficult for the majority of the patients.
基金Open Access funding enabled and organized by Projekt DEAL.
文摘Purpose The fact that CrossFit^(®)is the best-known and rapidly growing concept for high-intensity interval training(HIIT)and high-intensity functional training(HIFT)results in a continuous increase of athletes performing CrossFit^(®).In the more than 15,000 CrossFit^(®)Affiliates worldwide,the training concept is usually offered in 1-h training sessions containing the CrossFit^(®)-related workout of the day(WOD),as well as a general warm-up,movement demonstrations,and skill training.Here,we report how physiological parameters measured by heart rate(HR)values vary during four different 1-h CrossFit^(®)training sessions of non-elite athletes(n=27)in a local affiliated training center and what influencing factors may exist.Methods The duration of the 1-h training sessions were divided into a warm-up part(WU-part),a skill development part combined with strength exercises(A-part),followed by the WOD part(B-part).Results Analysis of HR values shows high training intensity(≥91%HR_(max))not throughout the duration of each training session,only during B-part.The mean HR values in B-part differ significantly compared to the remaining training parts(P<0.001)for all four training sessions.Comparison of different CrossFit^(®)experience levels revealed no significant differ-ence in acute physiological demands and training load between beginner and experienced CrossFit^(®)athletes.Conclusion Our results may suggest that practicing CrossFit^(®)in 1-h training sessions combined anaerobic and aerobic exercise intensities,with the training concept allows beginners and experienced athletes to be trained with the same cardio-vascular responses and training intensities.
