Interventions to promote exercise in cancer survivors who report better levels of adherence share some common behaviour change techniques .
These involve setting programme goals , prompting practise and self-monitoring and encouraging participants to attempt to generalise behaviours learned in supervised exercise environments to other , non-supervised context s. However , expecting most sedentary survivors to achieve current guideline recommendations of at least 150 minutes per week of aerobic exercise is likely to be unrealistic .
BACKGROUND The beneficial effects of regular exercise for people living with or beyond cancer are becoming apparent .
However , how to promote exercise behaviour in sedentary cancer cohorts is not as well understood .
A large majority of people living with or recovering from cancer do not meet exercise recommendations .
Hence , review ing the evidence on how to promote and sustain exercise behaviour is important .
OBJECTIVES To assess the effects of interventions to promote exercise behaviour in sedentary people living with and beyond cancer and to address the following questions : Which interventions are most effective in improving aerobic fitness and skeletal muscle strength and endurance ?
What adverse effects are attributed to different exercise interventions ?
Which interventions are most effective in improving exercise behaviour amongst patients with different cancers ?
Which interventions are most likely to promote long-term ( 12 months or longer ) exercise behaviour ?
What frequency of contact with exercise professionals is associated with increased exercise behaviour ?
What theoretical basis is most often associated with increased exercise behaviour ?
What behaviour change techniques are most often associated with increased exercise behaviour ?
Impact of a mixed strength and endurance exercise intervention on insulin levels in breast cancer survivors.
PURPOSE Accumulating data suggest that exercise may affect breast cancer risk and outcomes . Studies have demonstrated that high levels of insulin , often seen in sedentary individuals , are associated with increased risk of breast cancer recurrence and death . We sought to analyze whether exercise lowered insulin concentrations in breast cancer survivors . METHODS One hundred one sedentary , overweight breast cancer survivors were r and omly assigned either to a 16-week cardiovascular and strength training exercise intervention or to a usual care control group .  Fasting insulin and glucose levels , weight , body composition , and circumference at the waist and hip were collected at baseline and 16 weeks . RESULTS Baseline and 16-week measurements were available for 82 patients .  Fasting insulin concentrations decreased by an average of 2.86 microU/mL in the exercise group ( P = .03 ) , with no significant change in the control group ( decrease of 0.27 microU/mL , P = .65 ) . The change in insulin levels in the exercise group seemed greater than the change in controls , but the comparison did not reach statistical significance ( P = .07 ) . There was a trend toward improvement in insulin resistance in the exercise group ( P = .09 ) but no change in fasting glucose levels . The exercise group also experienced a significant decrease in hip measurements , with no change in weight or body composition . CONCLUSION Participation in an exercise intervention was associated with a significant decrease in insulin levels and hip circumference in breast cancer survivors . The relationship between physical activity and breast cancer prognosis may be mediated , in part , through changes in insulin levels and /or changes in body fat or fat deposition
Interventions to promote exercise in cancer survivors who report better levels of adherence share some common behaviour change techniques .
These involve setting programme goals , prompting practise and self-monitoring and encouraging participants to attempt to generalise behaviours learned in supervised exercise environments to other , non-supervised context s. However , expecting most sedentary survivors to achieve current guideline recommendations of at least 150 minutes per week of aerobic exercise is likely to be unrealistic .
BACKGROUND The beneficial effects of regular exercise for people living with or beyond cancer are becoming apparent .
However , how to promote exercise behaviour in sedentary cancer cohorts is not as well understood .
A large majority of people living with or recovering from cancer do not meet exercise recommendations .
Hence , review ing the evidence on how to promote and sustain exercise behaviour is important .
OBJECTIVES To assess the effects of interventions to promote exercise behaviour in sedentary people living with and beyond cancer and to address the following questions : Which interventions are most effective in improving aerobic fitness and skeletal muscle strength and endurance ?
What adverse effects are attributed to different exercise interventions ?
Which interventions are most effective in improving exercise behaviour amongst patients with different cancers ?
Which interventions are most likely to promote long-term ( 12 months or longer ) exercise behaviour ?
What frequency of contact with exercise professionals is associated with increased exercise behaviour ?
What theoretical basis is most often associated with increased exercise behaviour ?
What behaviour change techniques are most often associated with increased exercise behaviour ?