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Short-term, light- to moderate-intensity exercise training improves leg muscle strength in the oldest old: a randomized controlled trial.
J Am Geriatr Soc. 2011 Apr; 59(4):594-602.JA

Abstract

OBJECTIVES

To assess the effects of an 8-week exercise training program with a special focus on light- to moderate-intensity resistance exercises (30-70% of one repetition maximum, 1RM) and a subsequent 4-week training cessation period (detraining) on muscle strength and functional capacity in participants aged 90 and older.

DESIGN

Randomized controlled trial performed during March to September 2009.

SETTING

Geriatric nursing home.

PARTICIPANTS

Forty nonagenarians (90-97) were randomly assigned to an intervention or control group (16 women and 4 men per group).

INTERVENTION

Eight-week muscle strength exercise intervention focused on lower limb strength exercises of light to moderate intensity.

PRIMARY OUTCOME

1RM leg press.

SECONDARY OUTCOMES

handgrip strength, 8-m walk test, 4-step stairs test, Timed Up and Go test, and number of falls.

RESULTS

A significant group by time interaction effect (P=.02) was observed only for the 1RM leg press. In the intervention group, 1RM leg press increased significantly with training by 10.6 kg [95% confidence interval (CI)=4.1-17.1 kg; P=.01]. Except for the mean group number of falls, which were 1.2 falls fewer per participant in the intervention group (95% CI=0.0-3.0; P=.03), no significant training effect on the secondary outcome measures was found.

CONCLUSION

Exercise training, even of short duration and light to moderate intensity, can increase muscle strength while decreasing fall risk in nonagenarians.

Authors+Show Affiliations

Geriatric Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain. jserra.hgugm@salud.madrid.orgNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21453381

Citation

Serra-Rexach, José A., et al. "Short-term, Light- to Moderate-intensity Exercise Training Improves Leg Muscle Strength in the Oldest Old: a Randomized Controlled Trial." Journal of the American Geriatrics Society, vol. 59, no. 4, 2011, pp. 594-602.
Serra-Rexach JA, Bustamante-Ara N, Hierro Villarán M, et al. Short-term, light- to moderate-intensity exercise training improves leg muscle strength in the oldest old: a randomized controlled trial. J Am Geriatr Soc. 2011;59(4):594-602.
Serra-Rexach, J. A., Bustamante-Ara, N., Hierro Villarán, M., González Gil, P., Sanz Ibáñez, M. J., Blanco Sanz, N., Ortega Santamaría, V., Gutiérrez Sanz, N., Marín Prada, A. B., Gallardo, C., Rodríguez Romo, G., Ruiz, J. R., & Lucia, A. (2011). Short-term, light- to moderate-intensity exercise training improves leg muscle strength in the oldest old: a randomized controlled trial. Journal of the American Geriatrics Society, 59(4), 594-602. https://doi.org/10.1111/j.1532-5415.2011.03356.x
Serra-Rexach JA, et al. Short-term, Light- to Moderate-intensity Exercise Training Improves Leg Muscle Strength in the Oldest Old: a Randomized Controlled Trial. J Am Geriatr Soc. 2011;59(4):594-602. PubMed PMID: 21453381.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Short-term, light- to moderate-intensity exercise training improves leg muscle strength in the oldest old: a randomized controlled trial. AU - Serra-Rexach,José A, AU - Bustamante-Ara,Natalia, AU - Hierro Villarán,Margarita, AU - González Gil,Pedro, AU - Sanz Ibáñez,Maria J, AU - Blanco Sanz,Nekane, AU - Ortega Santamaría,Victor, AU - Gutiérrez Sanz,Natalia, AU - Marín Prada,Ana B, AU - Gallardo,Cristian, AU - Rodríguez Romo,Gabriel, AU - Ruiz,Jonatan R, AU - Lucia,Alejandro, Y1 - 2011/03/31/ PY - 2011/4/2/entrez PY - 2011/4/2/pubmed PY - 2011/6/29/medline SP - 594 EP - 602 JF - Journal of the American Geriatrics Society JO - J Am Geriatr Soc VL - 59 IS - 4 N2 - OBJECTIVES: To assess the effects of an 8-week exercise training program with a special focus on light- to moderate-intensity resistance exercises (30-70% of one repetition maximum, 1RM) and a subsequent 4-week training cessation period (detraining) on muscle strength and functional capacity in participants aged 90 and older. DESIGN: Randomized controlled trial performed during March to September 2009. SETTING: Geriatric nursing home. PARTICIPANTS: Forty nonagenarians (90-97) were randomly assigned to an intervention or control group (16 women and 4 men per group). INTERVENTION: Eight-week muscle strength exercise intervention focused on lower limb strength exercises of light to moderate intensity. PRIMARY OUTCOME: 1RM leg press. SECONDARY OUTCOMES: handgrip strength, 8-m walk test, 4-step stairs test, Timed Up and Go test, and number of falls. RESULTS: A significant group by time interaction effect (P=.02) was observed only for the 1RM leg press. In the intervention group, 1RM leg press increased significantly with training by 10.6 kg [95% confidence interval (CI)=4.1-17.1 kg; P=.01]. Except for the mean group number of falls, which were 1.2 falls fewer per participant in the intervention group (95% CI=0.0-3.0; P=.03), no significant training effect on the secondary outcome measures was found. CONCLUSION: Exercise training, even of short duration and light to moderate intensity, can increase muscle strength while decreasing fall risk in nonagenarians. SN - 1532-5415 UR - https://www.unboundmedicine.com/medline/citation/21453381/Short_term_light__to_moderate_intensity_exercise_training_improves_leg_muscle_strength_in_the_oldest_old:_a_randomized_controlled_trial_ L2 - https://doi.org/10.1111/j.1532-5415.2011.03356.x DB - PRIME DP - Unbound Medicine ER -