High test-retest reliability was found for the Function component , while results for the Disability component were more variable .
Conclusions There is extensive evidence to support the construct validity and sensitivity to change of the LLFDI among various clinical population s of community-dwelling older adults .
Background The choice of measure for use as a primary outcome in geriatric research is contingent upon the construct of interest and evidence for its psychometric properties .
The Late-Life Function and Disability Instrument ( LLFDI ) has been widely used to assess functional limitations and disability in studies with older adults .
The primary aim of this systematic review was to evaluate the current available evidence for the psychometric properties of the LLFDI .
The effect of resistance training on muscle strength and physical function in older, postmenopausal breast cancer survivors: a randomized controlled trial
Introduction Older breast cancer survivors ( BCS ) report more falls and functional limitations than women with no cancer history .  Exercise training could reduce risk factors for future falls and disability . Methods We conducted a r and omized , controlled trial in 106 early-stage , postmenopausal BCS who were ≥50 years old at diagnosis and post-treatment . Women were r and omly assigned to a 1-year resistance + impact exercise program or a stretching placebo program . Endpoints were one repetition maximum bench press and leg press strength , timed five chair st and s , 4 m usual walk speed , timed stance tests , h and grip strength , self-report physical function , and fatigue . We also examined the influence of age , adjuvant hormone therapy use , and exercise adherence on study outcomes . Results Women in the resistance + impact training program significantly improved maximal leg ( p < 0 .02 ) and bench ( p < 0 .02 ) press strength compared to the stretching group . Women who attended 50 % or more of prescribed resistance training sessions had significantly better changes in maximal strength measures compared to less adherent women . Conclusions Resistance + impact exercise is superior to stretching at improving maximal muscle strength and exercise adherence contributes to the degree of improvement . Implication s for cancer survivorsOlder BCS can safely engage in resistance exercise that improves lower and upper body strength , thereby reducing a risk factor for falls and future disability . However , the ability of resistance training to shift other indices of fall and disability risk , i.e. , balance and function , is unclear . Strategies to promote adherence to resistance training could lead to greater improvements in strength
High test-retest reliability was found for the Function component , while results for the Disability component were more variable .
Conclusions There is extensive evidence to support the construct validity and sensitivity to change of the LLFDI among various clinical population s of community-dwelling older adults .
Background The choice of measure for use as a primary outcome in geriatric research is contingent upon the construct of interest and evidence for its psychometric properties .
The Late-Life Function and Disability Instrument ( LLFDI ) has been widely used to assess functional limitations and disability in studies with older adults .
The primary aim of this systematic review was to evaluate the current available evidence for the psychometric properties of the LLFDI .