Knee strength and lower- and higher-intensity functional performance in older adults

Salem, George J.; Wang, Man-Ying; Young, J. B.; Marion, Michael; Greendale, Gail A.

doi:10.1097/00005768-200010000-00003

Cited by 85 publications

(48 citation statements)

References 18 publications

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“…31,34 Some reports have shown that the relationship between strength and lower intensity activities, such as normal walking speed, is lower in comparison to higher intensity activities, such as rising from a chair or stair climbing. 141 The findings of this study did not support this idea. The R 2 between strength and gait speed from the SPPB was 0.31 versus the R 2 between strength and SPPB chair stand was 0.29.…”

Section: Impairments In Strength and Functional Limitationscontrasting

confidence: 69%

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The Relationship Between Impairments in Muscle Performance, Functional Limitations, and Disability in Older Adults.

Puthoff

Nielsen

2006

Journal of Geriatric Physical Therapy

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Many older adults develop restrictions in the performance of activities that are essential to daily living, referred to as functional limitations. Functional limitations can lead to disability, the inability to complete tasks necessary to function in society. A better understanding of how impairments in body systems affect functional limitations and disability in older adults could lead to improved medical management of older adults.The purpose of this study was to examine how impairments in lower extremity muscle performance (strength, power, and endurance) are related to functional limitations and disability in community dwelling older adults. Thirty-four subjects were recruited to participate in this cross-sectional analysis study with 30 individuals completing the study.The Keiser 420 Leg Press was used to measure impairments in lower extremity muscle

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Section: Impairments In Strength and Functional Limitationscontrasting

confidence: 69%

“…141 Power at almost maximum force production (90% 1-RM) would intuitively have a stronger relationship to this task in comparison to power at lower intensities. This would be especially true for older adults with impairments in muscle performance who may require almost all their strength/power to get out of a chair.…”

mentioning

confidence: 97%

The Relationship Between Impairments in Muscle Performance, Functional Limitations, and Disability in Older Adults.

Puthoff

Nielsen

2006

Journal of Geriatric Physical Therapy

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“…The ST was previously found to be a measure of both aerobic capacity 12 and muscle strength 44 ; therefore, the a priori hypotheses of divergent and convergent validity in our study might have been too ambitious. Although not fulfilling the acceptable number of hypotheses, the ST may still be a functional test measuring several aspects of physical fitness in patients with various MSCs.…”

Section: Discussionmentioning

confidence: 77%

Measuring Health-Related Physical Fitness in Physiotherapy Practice: Reliability, Validity, and Feasibility of Clinical Field Tests and a Patient-Reported Measure

Tveter¹,

Dagfinrud²,

Moseng³

et al. 2014

J Orthop Sports Phys Ther

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“…Os valores iniciais da força da amostra do presente trabalho mostram que os participantes eram relativamente aptos do ponto de vista de força muscular para a média dos indivíduos do mesmo escalão etá-rio (10). De facto, estes valores basais são superiores aos descritos por vários autores (31,35). Em concordância com a ideia anterior, foram encontrados, nas mulheres, aumentos significativos da força entre o momento final e o inicial no membro não-dominante, quer no movimento de extensão, quer de flexão do joelho em ambas as velocidades angulares estudadas.…”

Section: Discussionunclassified

Força muscular em idosos II — Efeito de um programa complementar de treino na força muscular de idosos de ambos os sexos

Carvalho¹,

Oliveira²,

Magalhães³

et al. 2004

RPCD

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RESUMOO principal objectivo deste trabalho foi determinar o efeito de um programa combinado de actividade física na força máxima isocinética em idosos, homens e mulheres. Dezanove idosos, 12 mulheres (idade = 69.6± 2.9 anos; peso = 66.7± 7.9 kg; altura = 1.55± 0.1 m) e 7 homens (idade = 68.3±5.2 anos; peso = 69.1±12.9 kg; altura = 1.65± 0.2 m) participaram durante 6 meses num programa combinado de actividade física consistindo em 4 sessões semanais (2 x ginástica de manutenção e 2 x treino de força). A força máxima isocinética dos extensores e flexores do joelho foi avaliada em todos os sujeitos através de um dinamómetro isocinético (Biodex System 2, USA) em duas velocidades distintas 60º/seg. (1.05 rad.sec.-1 ) e 180º/seg. (3.14 rad.sec . -1 ) antes e depois do programa de treino. Os resultados deste estudo mostram que 6 meses de treino de força combinado com ginástica de manutenção é exequível e está associado a um aumento significativo da força muscular em idosos, particularmente no membro não-dominante. Para além disso, os resultados mostram que a variável sexo não influencia as adaptações induzidas pelo treino na força muscular. Apesar dos homens serem, em termos absolutos, mais fortes do que as mulheres, não foram observadas diferenças entre ambos os sexos na resposta ao treino. Assim, este estudo sugere que o treino progressivo de força com intensidade moderada a elevada pode ser efectuado com elevada tolerância por idosos saudáveis, desempenhando um papel importante enquanto estratégia para a manutenção e/ou aumento da sua força independentemente do sexo.Palavras-chave: envelhecimento, força muscular, isocinético. ABSTRACT Aging and muscle strength II -Effects of a combined physical activity program in muscular strength in elderly.

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Knee strength and lower- and higher-intensity functional performance in older adults

Abstract: Further research is warranted to determine whether exercises that increase knee strength and work capacity, improve brisk walking, stair climbing, and chair standing capabilities in older adults.

Cited by 85 publications

References 18 publications

The Relationship Between Impairments in Muscle Performance, Functional Limitations, and Disability in Older Adults.

The Relationship Between Impairments in Muscle Performance, Functional Limitations, and Disability in Older Adults.

Measuring Health-Related Physical Fitness in Physiotherapy Practice: Reliability, Validity, and Feasibility of Clinical Field Tests and a Patient-Reported Measure

Força muscular em idosos II — Efeito de um programa complementar de treino na força muscular de idosos de ambos os sexos

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