Grade B evidence also suggested that exercise may improve prostate cancer patients ' muscle mass , muscular strength , functional performance ( walking and sit to st and speed ) , as well as health-related , social and physical quality of life .
These effects appeared greater for group-rather than home-based-exercise , especially if these programs included resistance training .
CONTEXT Prostate cancer patients , especially those on and rogen deprivation therapy ( ADT ) , experience many symptoms that make it difficult to maintain their independence and quality of life .
Because ADT acts by means of reducing testosterone production , exercise may offset many of the ADT side effects and those of the cancer itself .
OBJECTIVES This systematic review of the literature evaluates whether exercise could reduce symptoms and improve quality of life for prostate cancer patients .
Dog ownership, walking behavior, and maintained mobility in late life.
OBJECTIVES To examine  dog walking among dog owners and the relationship between walking behavior of dog owners and non-dog owners and maintained gait speed over 3 years . DESIGN Cross-sectional and longitudinal analyses of a prospect i ve cohort study . SETTING Memphis , Tennessee , and Pittsburgh , Pennsylvania . PARTICIPANTS Two thous and five hundred thirty-three community-dwelling adults aged 71 to 82 at 36 months of the Health , Aging and Body Composition Study . MEASUREMENTS  Dog ownership , reported walking behavior , change in walking behavior , and usual and rapid gait speed  over 3 years . RESULTS Of 394 dog owners , only 36 % walked their dogs at least three times per week . Cross-sectionally , dog walkers were more likely to achieve 150 minutes of walking per week and had faster usual and rapid walking speeds ( 1.20 vs 1.14 m/s and 1.62 vs 1.52 m/s , respectively ; P < .01 for both ) than non-dog owners who did not walk at least three times per week and similar speeds as non-dog owners who walked at least 150 minutes per week ( P > .50 ) . Three years later , subjects who had been dog walkers at baseline were approximately twice as likely as any other group to achieve recommended walking levels , independent of covariates . Dog walkers experienced similar declines in usual and rapid walking speed as non-dog owners who walked at least three times per week but maintained their initial mobility advantage . CONCLUSION Although dog ownership appears to facilitate walking behavior , only a minority of older dog owners walk their dogs . The mobility advantage of dog ownership was seen only in dog walkers and was similar to that associated with any walking . Given suboptimal walking activity in older adults , examining the degree to which dog ownership promotes walking activity in persons who do little walking on their own appears worth pursuing
Grade B evidence also suggested that exercise may improve prostate cancer patients ' muscle mass , muscular strength , functional performance ( walking and sit to st and speed ) , as well as health-related , social and physical quality of life .
These effects appeared greater for group-rather than home-based-exercise , especially if these programs included resistance training .
CONTEXT Prostate cancer patients , especially those on and rogen deprivation therapy ( ADT ) , experience many symptoms that make it difficult to maintain their independence and quality of life .
Because ADT acts by means of reducing testosterone production , exercise may offset many of the ADT side effects and those of the cancer itself .
OBJECTIVES This systematic review of the literature evaluates whether exercise could reduce symptoms and improve quality of life for prostate cancer patients .