Effects of a group exercise program on strength, mobility, and falls among fall-prone elderly men

Area of Science:

• Gerontology
• Exercise Science
• Rehabilitation Medicine

Background:

• Elderly individuals with chronic impairments and fall risk factors often experience decreased strength, endurance, and mobility.
• Fall-related injuries are a significant concern in this population, necessitating effective intervention strategies.

Purpose of the Study:

• To evaluate the impact of a low- to moderate-intensity group exercise program on strength, endurance, mobility, and fall rates in fall-prone elderly men.
• To assess changes in physical performance, self-reported functioning, and health perception following the intervention.

Main Methods:

• A randomized controlled trial involving 59 community-living men (mean age 74) with fall risk factors.
• Participants were assigned to a 12-week group exercise program (3 times/week, 90 min/session) or a control group.
• Outcome measures included isokinetic strength/endurance, physical performance tests, and fall surveillance.

Main Results:

• Significant improvements were observed in endurance (isokinetic knee flexion/extension) and gait measures (6-minute walk test, observational gait scale).
• Isokinetic strength improved only for right knee flexion; no significant effects on hip/ankle strength or balance.
• While direct fall rates were not significantly reduced, adjusted fall rates per activity hour were lower in the exercisers.

Conclusions:

• Group exercise can enhance endurance, strength, gait, and physical function in elderly individuals with chronic impairments and a history of falls.
• Increased physical activity, even if not directly reducing fall incidence, is associated with a lower fall rate when accounted for activity levels.