Purpose To determine the amount of familiarization sessions required by breast cancer survivors to achieve a reliable meas-urement of muscle function assessed using isokinetic dynamometry.Methods Twenty-six breast can...Purpose To determine the amount of familiarization sessions required by breast cancer survivors to achieve a reliable meas-urement of muscle function assessed using isokinetic dynamometry.Methods Twenty-six breast cancer survivors performed three isokinetic knee extension tests separated by,at least,48 h.The isokinetic testing protocol included one warm-up set of 10 submaximal knee extensions at 120°/s,followed by two sets of four maximal knee extensions at 60°/s,with 2-min rest interval between sets.Peak torque(PT),time to peak torque(TPT),angle of peak torque(APT),and average power(AP)of each trial was used for the assessment of testing reliability.Percentage change in the mean,typical error,coefficient of variation and intraclass correlation coefficients(ICC2.1)were calculated to determine test-retest reliability.Results For PT,change in mean was lower between trials 2 and 3 than between trials 1 and 2(4.18% and 13.18%,respec-tively),and ICC was greater between trials 2 and 3 than between trials 1 and 2(0.962 and 0.818,respectively).For TPT and APT,ICC was clinically acceptable only between trials 2 and 3(0.757 and 0.803,respectively).For AP,change in mean was clinically acceptable between trials 2 and 3(9.84%),while ICC met acceptable reliability between both,trials 1 and 2 and,trials 2 and 3(0.756 and 0.891,respectively).Conclusion At least one familiarization session is adequate to achieve reliable measurements of muscle function using isokinetic dynamometry,while avoiding the impact of learning effect of the measurements in breast cancer survivors.展开更多
The current approach to breast cancer rehabilitation is currently narrowly focused on addressing resultant problems such as lymphedema or shoulder pain.Referrals to rehabilitation are reactive responses to these probl...The current approach to breast cancer rehabilitation is currently narrowly focused on addressing resultant problems such as lymphedema or shoulder pain.Referrals to rehabilitation are reactive responses to these problems.Taking a step back and looking at the breast cancer intervention in totality,it becomes apparent that steps could be taken to minimize or actu-ally prevent some of the ensuing functional problems by proactively treating a breast cancer survivor.Rather than waiting for problems to arise,immediately post-intervention or ideally pre-intervention and throughout intervention referral of an individual to rehabilitation could provide a supportive role in the functional progression of the patient.Furthermore,while most orthopedic rehabilitation focuses on the function of a particular joint,with the extensive impact of the breast cancer treatments on the soft tissue of the body without any specific intervention at a joint,it is imperative that we begin to shift our rehabilitation approach to focusing on the alterations of the soft tissue prior to addressing any functional limitations in the joints,with the most common victim being the shoulder joint.This novel approach to breast cancer rehabilitation sug-gests initially addressing soft tissue limitations.As these limitations begin to resolve as optimally as possible,secondary consideration is then given to functional limitations of a joint such as the shoulder joint.展开更多
This special issue of the Journal of Science in Sport and Exercise is devoted to scientific inquiry related to clinical exercise and sports medicine.Each article is authored by top researchers in the clinical exercise...This special issue of the Journal of Science in Sport and Exercise is devoted to scientific inquiry related to clinical exercise and sports medicine.Each article is authored by top researchers in the clinical exercise physiology and sports medicine community.展开更多
文摘Purpose To determine the amount of familiarization sessions required by breast cancer survivors to achieve a reliable meas-urement of muscle function assessed using isokinetic dynamometry.Methods Twenty-six breast cancer survivors performed three isokinetic knee extension tests separated by,at least,48 h.The isokinetic testing protocol included one warm-up set of 10 submaximal knee extensions at 120°/s,followed by two sets of four maximal knee extensions at 60°/s,with 2-min rest interval between sets.Peak torque(PT),time to peak torque(TPT),angle of peak torque(APT),and average power(AP)of each trial was used for the assessment of testing reliability.Percentage change in the mean,typical error,coefficient of variation and intraclass correlation coefficients(ICC2.1)were calculated to determine test-retest reliability.Results For PT,change in mean was lower between trials 2 and 3 than between trials 1 and 2(4.18% and 13.18%,respec-tively),and ICC was greater between trials 2 and 3 than between trials 1 and 2(0.962 and 0.818,respectively).For TPT and APT,ICC was clinically acceptable only between trials 2 and 3(0.757 and 0.803,respectively).For AP,change in mean was clinically acceptable between trials 2 and 3(9.84%),while ICC met acceptable reliability between both,trials 1 and 2 and,trials 2 and 3(0.756 and 0.891,respectively).Conclusion At least one familiarization session is adequate to achieve reliable measurements of muscle function using isokinetic dynamometry,while avoiding the impact of learning effect of the measurements in breast cancer survivors.
文摘The current approach to breast cancer rehabilitation is currently narrowly focused on addressing resultant problems such as lymphedema or shoulder pain.Referrals to rehabilitation are reactive responses to these problems.Taking a step back and looking at the breast cancer intervention in totality,it becomes apparent that steps could be taken to minimize or actu-ally prevent some of the ensuing functional problems by proactively treating a breast cancer survivor.Rather than waiting for problems to arise,immediately post-intervention or ideally pre-intervention and throughout intervention referral of an individual to rehabilitation could provide a supportive role in the functional progression of the patient.Furthermore,while most orthopedic rehabilitation focuses on the function of a particular joint,with the extensive impact of the breast cancer treatments on the soft tissue of the body without any specific intervention at a joint,it is imperative that we begin to shift our rehabilitation approach to focusing on the alterations of the soft tissue prior to addressing any functional limitations in the joints,with the most common victim being the shoulder joint.This novel approach to breast cancer rehabilitation sug-gests initially addressing soft tissue limitations.As these limitations begin to resolve as optimally as possible,secondary consideration is then given to functional limitations of a joint such as the shoulder joint.
文摘This special issue of the Journal of Science in Sport and Exercise is devoted to scientific inquiry related to clinical exercise and sports medicine.Each article is authored by top researchers in the clinical exercise physiology and sports medicine community.
