Both Resistance and Agility Training Reduce Fall Risk

J Am Geriatr Soc. Author manuscript; available in PMC 2012 May 4.
Published in final edited form as:

Both Resistance and Agility Training Reduce Fall Risk in 75–85 Year Old Women with Low Bone Mass: A Six-Month Randomized Controlled Trial

Abstract

OBJECTIVE

To compare the effectiveness of group resistance and agility training programs in reducing fall risk in community-dwelling older women with low bone mass.

DESIGN

A randomized, controlled, single-blinded 25-week prospective study with assessments at baseline, midpoint and trial completion.

SETTING

Community centre.

PARTICIPANTS

Community-dwelling women aged 75–85 years with low bone mass.

INTERVENTION

Participants were randomly assigned to one of three groups: Resistance Training (n=32), Agility Training (n=34), and Stretching (sham) exercises (n=32). The exercise classes for each study arm were held twice weekly.

MEASUREMENTS

The primary outcome measure was fall risk (derived from weighted scores from tests of postural sway, reaction time, strength, proprioception, and vision), as measured by a physiological profile assessment (PPA). Secondary outcome measures were ankle dorsiflexion strength, foot reaction time and the Community Balance and Mobility (CB&M) Scale.

RESULTS

Attendance at the exercise sessions for all three groups was excellent: Resistance Training (85.4%), Agility Training (87.3%) and Stretching program (78.8%). At the end of the trial, PPA fall risk scores were reduced by 57.3% and 47.5% in the Resistance and Agility training groups respectively, but by only 20.2% in the Stretching group. In both the Resistance and Agility groups, the reduction in falls risk was mediated primarily by improved postural stability, where sway was reduced by 30.6% and 29.2% respectively. There were no significant differences among the groups for the secondary outcomes measures. Within the Resistance Training group reductions in sway were significantly associated with improved strength as assessed by increased squat load used in the exercise sessions.

CONCLUSION

These findings support the implementation of community-based resistance and agility training programs to reduce fall risk in older women with low bone mass. Such programs may have particular public health benefits as it has been shown that this group are at increased risk of falling as well as sustaining fall-related fractures.

Keywords: Accidental Falls, Fall Risk, Exercise, Aged, Low Bone Mass

Quelle und Full Text:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3344816/

 

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